--- title: Call Forwarding Help | Who's Calling + SPAM Guard description: Set-up call screening, fix call forwarding busy on any phone — activation codes by country, device help for Samsung, Xiaomi, Pixel, plus troubleshooting. image: https://wcsg.app/hubfs/wc_round_logo.png --- × [![Who's Calling + SPAM Guard](https://wcsg.app/hubfs/wc_round_logo.png) Who's Calling + SPAM Guard](https://wcsg.app/) [Home](https://wcsg.app/) [Support](https://wcsg.app/support) [Privacy](https://wcsg.app/privacy) [Terms](https://wcsg.app/terms) [Download](https://wcsg.app/download) ![Who's Calling + SPAM Guard app icon](https://wcsg.app/hubfs/wc_round_logo.png) Who's Calling + SPAM Guard Know who's calling before you answer Support Getting your calls screened comes down to one thing: **conditional call forwarding**. The app sets this up for you automatically — this page is here for reference and for fixing it on specific phones. 🛡️ **The important bit:** forwarding is **conditional only** — your normal calls ring as usual and your saved contacts are never affected. Only calls that arrive while your line is **busy**, from people *not* in your contacts, are sent to be screened — your voicemail still catches the calls you simply miss. Call audio is never recorded. It exists only in our screening server’s memory while the call is happening, and is never written to disk. **⚙️ The app does the hard part.** Your screening number is provisioned for you, and the app fills in your carrier’s code with your number already in it — on the **Call Forwarding** screen during setup. You copy it, tap dial, and your carrier confirms. Then you make a test call so you can see it working for yourself. We also send your number by **push notification and email**, so you can come back and finish at any time. Later on, **Global Preferences** re-runs the permission check and shows you the code again whenever you need it. ## 1. What call forwarding does & why it's needed Who's Calling screens unknown callers by conditionally forwarding a call — only when your line is busy — to your personal screening number. There, the caller is checked and a live transcript is generated **before** you decide whether to pick up. Calls from your contacts, and calls you answer normally, never go through this. That's why activating the forwarding code once is all it takes to switch screening on. ## Two things to know first Setting up screening takes one dialled code. Here is the whole journey, and the one thing it changes on your phone. 1. 1 **Your screening number arrives.** We send it by push notification and by email, so you always have it. 2. 2 **Open Call Forwarding in the app.** Your code is already filled in, with your number in it. 3. 3 **Copy, then dial.** One tap each. 4. 4 **Your carrier confirms.** A short message appears on your screen. 5. 5 **You make a test call.** So you can see it working for yourself. 💬 **What changes: your voicemail, in one specific way.** Your voicemail still catches the calls you miss, and people in your contacts ring you exactly as they do now. What changes is the *busy* setting: today, someone ringing while your line is busy goes to your voicemail; with screening on they come to us instead. That is what lets us screen a number you don’t know. **Putting it back, on any network.** Open Settings → Calls → Call forwarding. Look at **Forward when unanswered** — that number is your voicemail. Set **Forward when busy** to the same number. No code needed, and it works on every carrier. ☎️ **And what the code actually does.** It sets *call forwarding on busy* — a standard feature every mobile network has had for decades. It only ever applies when your line is busy. It does not forward calls you answer, calls you miss, or calls from your contacts. ## Your carrier’s codes Pick your country, then your carrier. Every code below comes from that carrier’s own support page — we don’t guess, and where a carrier publishes nothing we say so rather than give you a code that might not work. 💬 **What this changes on your phone.** Your voicemail still catches the calls you miss, and people in your contacts ring you exactly as they do now. What changes is the *busy* setting: today, someone ringing while your line is busy goes to your voicemail; with screening on they come to us instead. That is what lets us screen a number you don’t know. **Putting it back, on any network.** Open Settings → Calls → Call forwarding. Look at **Forward when unanswered** — that number is your voicemail. Set **Forward when busy** to the same number. No code needed, and it works on every carrier. Country Choose your country…AustraliaCanadaChileIcelandIsraelMexicoPanamaPuerto RicoUnited States Your screening number Type it in and every code below fills itself in, ready to copy. ### United States Enter your screening number in its normal local form, the way you would dial it at home. **If your carrier isn’t listed, or its code is refused, work down the others below.** These networks share the same standards, and a code published by one network in United States very often works on another. #### Mint Mobile Turn screening on `**67*1{number}#` Copy Turn screening off `##67#` Copy If your phone says “invalid MMI code” `*67*1{number}#` Copy Some networks use this form of the same code. If that turn-off code is rejected `#67#` Copy One of these erases the diversion, the other only switches it off. Try both. **Ask Mint Mobile directly if anything doesn’t work.** Carriers change these codes without announcing it. Their support team can set the diversion up on their side, or you can do it in your phone’s settings above. [Mint Mobile’s own call forwarding page](https://www.mintmobile.com/help/how-to-turn-on-off-call-forwarding/) · checked 2026-09-04 #### T-Mobile US Turn screening on `**67*1{number}#` Copy Turn screening off `##67#` Copy If your phone says “invalid MMI code” `*67*1{number}#` Copy Some networks use this form of the same code. If that turn-off code is rejected `#67#` Copy One of these erases the diversion, the other only switches it off. Try both. **Ask T-Mobile US directly if anything doesn’t work.** Carriers change these codes without announcing it. Their support team can set the diversion up on their side, or you can do it in your phone’s settings above. [T-Mobile US’s own call forwarding page](https://www.t-mobile.com/support/plans-features/self-service-short-codes) · checked 2026-09-10 #### Metro by T-Mobile Turn screening on `**67*{number}#` Copy Turn screening off `##67#` Copy If your phone says “invalid MMI code” `*67*{number}#` Copy Some networks use this form of the same code. If that turn-off code is rejected `#67#` Copy One of these erases the diversion, the other only switches it off. Try both. **Ask Metro by T-Mobile directly if anything doesn’t work.** Carriers change these codes without announcing it. Their support team can set the diversion up on their side, or you can do it in your phone’s settings above. [Metro by T-Mobile’s own call forwarding page](https://www.metrobyt-mobile.com/support) · checked 2026-09-11 #### Boost Mobile Turn screening on `*67*{number}#` Copy Turn screening off `#67#` Copy If your phone says “invalid MMI code” `**67*{number}#` Copy Boost’s agent gave the single-star form; the double-star form is what the rest of the US network uses. Try the first, then this. If that turn-off code is rejected `##67#` Copy One of these erases the diversion, the other only switches it off. Try both. **Ask Boost Mobile directly if anything doesn’t work.** Carriers change these codes without announcing it. Their support team can set the diversion up on their side, or you can do it in your phone’s settings above. [Boost Mobile’s own call forwarding page](https://help.boostmobile.com/) · checked 2026-09-11 #### UScellular Turn screening on `**67*{number}#` Copy Turn screening off `##67#` Copy If your phone says “invalid MMI code” `*67*{number}#` Copy Some networks use this form of the same code. If that turn-off code is rejected `#67#` Copy One of these erases the diversion, the other only switches it off. Try both. **Ask UScellular directly if anything doesn’t work.** Carriers change these codes without announcing it. Their support team can set the diversion up on their side, or you can do it in your phone’s settings above. [UScellular website](https://www.uscellular.com/) · checked 2026-09-10 #### AT&T Turn screening on `**67*{number}#` Copy Turn screening off `##67#` Copy If your phone says “invalid MMI code” `*67*{number}#` Copy Some networks use this form of the same code. If that turn-off code is rejected `#67#` Copy One of these erases the diversion, the other only switches it off. Try both. **AT&T hasn’t published a busy-only code of its own, so the one above is the international standard.** Most mobile networks accept it. If your phone rejects it, set it by hand instead: Settings → Calls → Call forwarding → When busy, and enter your screening number. **Ask AT&T directly if anything doesn’t work.** Carriers change these codes without announcing it. Their support team can set the diversion up on their side, or you can do it in your phone’s settings above. [AT&T’s own call forwarding page](https://www.att.com/support/article/wireless/KM1011513/) · checked 2026-09-10 #### Verizon Turn screening on `**67*{number}#` Copy Turn screening off `##67#` Copy If your phone says “invalid MMI code” `*67*{number}#` Copy Some networks use this form of the same code. If that turn-off code is rejected `#67#` Copy One of these erases the diversion, the other only switches it off. Try both. **⚠️ Careful.** Verizon’s `*71` is **not** busy-only — it also forwards calls you simply don’t answer, which would send your normal missed calls to us. Do not use it. **Verizon hasn’t published a busy-only code of its own, so the one above is the international standard.** Most mobile networks accept it. If your phone rejects it, set it by hand instead: Settings → Calls → Call forwarding → When busy, and enter your screening number. **Ask Verizon directly if anything doesn’t work.** Carriers change these codes without announcing it. Their support team can set the diversion up on their side, or you can do it in your phone’s settings above. [Verizon’s own call forwarding page](https://www.verizon.com/support/call-forwarding-faqs/) · checked 2026-09-10 #### Cricket Wireless Turn screening on `**67*{number}#` Copy Turn screening off `##67#` Copy If your phone says “invalid MMI code” `*67*{number}#` Copy Some networks use this form of the same code. If that turn-off code is rejected `#67#` Copy One of these erases the diversion, the other only switches it off. Try both. **Cricket Wireless hasn’t published a busy-only code of its own, so the one above is the international standard.** Most mobile networks accept it. If your phone rejects it, set it by hand instead: Settings → Calls → Call forwarding → When busy, and enter your screening number. **Ask Cricket Wireless directly if anything doesn’t work.** Carriers change these codes without announcing it. Their support team can set the diversion up on their side, or you can do it in your phone’s settings above. [Cricket Wireless’s own call forwarding page](https://www.cricketwireless.com/support) · checked 2026-09-10 #### Straight Talk Turn screening on `**67*{number}#` Copy Turn screening off `##67#` Copy If your phone says “invalid MMI code” `*67*{number}#` Copy Some networks use this form of the same code. If that turn-off code is rejected `#67#` Copy One of these erases the diversion, the other only switches it off. Try both. **Straight Talk hasn’t published a busy-only code of its own, so the one above is the international standard.** Most mobile networks accept it. If your phone rejects it, set it by hand instead: Settings → Calls → Call forwarding → When busy, and enter your screening number. **Ask Straight Talk directly if anything doesn’t work.** Carriers change these codes without announcing it. Their support team can set the diversion up on their side, or you can do it in your phone’s settings above. [Straight Talk’s own call forwarding page](https://www.straighttalk.com/support) · checked 2026-09-10 #### Google Fi Turn screening on `**67*{number}#` Copy Turn screening off `##67#` Copy If your phone says “invalid MMI code” `*67*{number}#` Copy Some networks use this form of the same code. If that turn-off code is rejected `#67#` Copy One of these erases the diversion, the other only switches it off. Try both. **Google Fi hasn’t published a busy-only code of its own, so the one above is the international standard.** Most mobile networks accept it. If your phone rejects it, set it by hand instead: Settings → Calls → Call forwarding → When busy, and enter your screening number. **Ask Google Fi directly if anything doesn’t work.** Carriers change these codes without announcing it. Their support team can set the diversion up on their side, or you can do it in your phone’s settings above. [Google Fi’s own call forwarding page](https://support.google.com/fi/answer/6201380?hl=en) · checked 2026-09-10 #### Xfinity Mobile Turn screening on `**67*{number}#` Copy Turn screening off `##67#` Copy If your phone says “invalid MMI code” `*67*{number}#` Copy Some networks use this form of the same code. If that turn-off code is rejected `#67#` Copy One of these erases the diversion, the other only switches it off. Try both. **⚠️ Careful.** Xfinity’s `*71` forwards *unanswered* calls, not busy ones. It is not the code you want. **Xfinity Mobile hasn’t published a busy-only code of its own, so the one above is the international standard.** Most mobile networks accept it. If your phone rejects it, set it by hand instead: Settings → Calls → Call forwarding → When busy, and enter your screening number. **Ask Xfinity Mobile directly if anything doesn’t work.** Carriers change these codes without announcing it. Their support team can set the diversion up on their side, or you can do it in your phone’s settings above. [Xfinity Mobile’s own call forwarding page](https://www.xfinity.com/support/articles/how-to-use-call-forwarding) · checked 2026-09-10 #### Visible Turn screening on `**67*{number}#` Copy Turn screening off `##67#` Copy If your phone says “invalid MMI code” `*67*{number}#` Copy Some networks use this form of the same code. If that turn-off code is rejected `#67#` Copy One of these erases the diversion, the other only switches it off. Try both. **Visible hasn’t published a busy-only code of its own, so the one above is the international standard.** Most mobile networks accept it. If your phone rejects it, set it by hand instead: Settings → Calls → Call forwarding → When busy, and enter your screening number. **Ask Visible directly if anything doesn’t work.** Carriers change these codes without announcing it. Their support team can set the diversion up on their side, or you can do it in your phone’s settings above. [Visible website](https://www.visible.com/) · checked 2026-09-10 #### Spectrum Mobile Turn screening on `**67*{number}#` Copy Turn screening off `##67#` Copy If your phone says “invalid MMI code” `*67*{number}#` Copy Some networks use this form of the same code. If that turn-off code is rejected `#67#` Copy One of these erases the diversion, the other only switches it off. Try both. **Spectrum Mobile hasn’t published a busy-only code of its own, so the one above is the international standard.** Most mobile networks accept it. If your phone rejects it, set it by hand instead: Settings → Calls → Call forwarding → When busy, and enter your screening number. **Ask Spectrum Mobile directly if anything doesn’t work.** Carriers change these codes without announcing it. Their support team can set the diversion up on their side, or you can do it in your phone’s settings above. [Spectrum Mobile’s own call forwarding page](https://www.spectrum.net/support/mobile/spectrum-mobile-call-forwarding) · checked 2026-09-10 ### Canada Enter your screening number in its normal local form, the way you would dial it at home. **If your carrier isn’t listed, or its code is refused, work down the others below.** These networks share the same standards, and a code published by one network in Canada very often works on another. #### Rogers Turn screening on `**67*{number}#` Copy Turn screening off `##67#` Copy If your phone says “invalid MMI code” `*67*{number}#` Copy Some networks use this form of the same code. If that turn-off code is rejected `#67#` Copy One of these erases the diversion, the other only switches it off. Try both. **🔴 Turn Rogers voicemail off first.** Rogers states that conditional forwarding will not work while voicemail is active, so screening cannot start until it is switched off. **Before you dial.** Cancel Rogers voicemail first — both “Call Answer” and “One Number”. Conditional forwarding will not work while either is active. **Ask Rogers directly if anything doesn’t work.** Carriers change these codes without announcing it. Their support team can set the diversion up on their side, or you can do it in your phone’s settings above. [Rogers’s own call forwarding page](https://www.rogers.com/support/mobility/use-call-forwarding) · checked 2026-09-04 #### Fido Turn screening on `*67*{number}#` Copy Turn screening off `##67#` Copy If your phone says “invalid MMI code” `**67*{number}#` Copy Some networks use this form of the same code. If that turn-off code is rejected `#67#` Copy One of these erases the diversion, the other only switches it off. Try both. **🔴 Turn Fido voicemail off first.** Fido states that conditional forwarding will not work while voicemail is active, so screening cannot start until it is switched off. **Before you dial.** Call Fido on 611 and ask them to remove Voice Messaging from your account. Conditional forwarding is only available once voicemail is off. **Ask Fido directly if anything doesn’t work.** Carriers change these codes without announcing it. Their support team can set the diversion up on their side, or you can do it in your phone’s settings above. [Fido’s own call forwarding page](https://www.fido.ca/support/mobility/call-forwarding) · checked 2026-09-04 #### TELUS Turn screening on `*67*{number}#` Copy Turn screening off `##67#` Copy If your phone says “invalid MMI code” `**67*{number}#` Copy Some networks use this form of the same code. If that turn-off code is rejected `#67#` Copy One of these erases the diversion, the other only switches it off. Try both. **🔴 Turn TELUS voicemail off first.** TELUS states that conditional forwarding will not work while voicemail is active, so screening cannot start until it is switched off. **Before you dial.** Check call forwarding is included in your TELUS plan, and switch TELUS voicemail off first. Not available on TELUS prepaid. **This may cost you.** TELUS charges $5/month for call forwarding. Check your plan before you switch it on. **Ask TELUS directly if anything doesn’t work.** Carriers change these codes without announcing it. Their support team can set the diversion up on their side, or you can do it in your phone’s settings above. [TELUS’s own call forwarding page](https://forum.telus.com/discussions/mobile_devices/telus-mobility-conditional-call-forwarding-codes-stopped-working/177556) · checked 2026-09-10 #### SaskTel Turn screening on `*67*{number}#` Copy Turn screening off `##67#` Copy Check it worked `*#67#` Copy If your phone says “invalid MMI code” `**67*{number}#` Copy Some networks use this form of the same code. If that turn-off code is rejected `#67#` Copy One of these erases the diversion, the other only switches it off. Try both. **Before you dial.** Check call forwarding is included in your SaskTel plan — it is a subscription feature. **Putting SaskTel voicemail back.** Screening replaces voicemail on busy. SaskTel publishes a restore code: `*004*1{number}#` Copy **Ask SaskTel directly if anything doesn’t work.** Carriers change these codes without announcing it. Their support team can set the diversion up on their side, or you can do it in your phone’s settings above. [SaskTel’s own call forwarding page](https://support.sasktel.com/app/answers/detail/a_id/11035) · checked 2026-09-04 #### Freedom Mobile Turn screening on `*67*{number}#` Copy Turn screening off `##67#` Copy If your phone says “invalid MMI code” `**67*{number}#` Copy Some networks use this form of the same code. If that turn-off code is rejected `#67#` Copy One of these erases the diversion, the other only switches it off. Try both. **Ask Freedom Mobile directly if anything doesn’t work.** Carriers change these codes without announcing it. Their support team can set the diversion up on their side, or you can do it in your phone’s settings above. [Freedom Mobile’s own call forwarding page](https://www.freedommobile.ca/en-CA/support/how-do-I-turn-call-forwarding-on-or-off) · checked 2026-09-04 #### Bell Mobility Turn screening on `**67*{number}#` Copy Turn screening off `##67#` Copy If your phone says “invalid MMI code” `*67*{number}#` Copy Some networks use this form of the same code. If that turn-off code is rejected `#67#` Copy One of these erases the diversion, the other only switches it off. Try both. **Bell Mobility hasn’t published a busy-only code of its own, so the one above is the international standard.** Most mobile networks accept it. If your phone rejects it, set it by hand instead: Settings → Calls → Call forwarding → When busy, and enter your screening number. **This may cost you.** Bell Mobility charges $0.25/minute, pay-per-use for call forwarding. Check your plan before you switch it on. **Ask Bell Mobility directly if anything doesn’t work.** Carriers change these codes without announcing it. Their support team can set the diversion up on their side, or you can do it in your phone’s settings above. [Bell Mobility’s own call forwarding page](https://support.bell.ca/Mobility/Rate_plans_features/How_to_use_Call_Forwarding_on_my_mobile_phone) · checked 2026-09-10 ### Puerto Rico Enter your screening number in its normal local form, the way you would dial it at home. #### Any network in Puerto Rico Turn screening on `**67*{number}#` Copy Turn screening off `##67#` Copy If your phone says “invalid MMI code” `*67*{number}#` Copy Some networks use this form of the same code. If that turn-off code is rejected `#67#` Copy One of these erases the diversion, the other only switches it off. Try both. **Any network in Puerto Rico hasn’t published a busy-only code of its own, so the one above is the international standard.** Most mobile networks accept it. If your phone rejects it, set it by hand instead: Settings → Calls → Call forwarding → When busy, and enter your screening number. **Ask Any network in Puerto Rico directly if anything doesn’t work.** Carriers change these codes without announcing it. Their support team can set the diversion up on their side, or you can do it in your phone’s settings above. ### Australia Enter your screening number in its normal local form and **keep the leading zero**. #### Telstra Turn screening on `**67*{number}#` Copy Turn screening off `##67#` Copy Check it worked `*#67#` Copy If your phone says “invalid MMI code” `*67*{number}#` Copy Some networks use this form of the same code. If that turn-off code is rejected `#67#` Copy One of these erases the diversion, the other only switches it off. Try both. **✅ We tested this one ourselves.** Dialled on a live Telstra handset 4 Sep 2026 and accepted. Keep the leading zero; a + prefix is rejected. **Ask Telstra directly if anything doesn’t work.** Carriers change these codes without announcing it. Their support team can set the diversion up on their side, or you can do it in your phone’s settings above. [Telstra’s own call forwarding page](https://www.telstra.com.au/small-business/online-support/mobiles-devices/forward-calls-on-mobile) · checked 2026-09-04 #### Optus Turn screening on `**67*{number}#` Copy Turn screening off `##67#` Copy Check it worked `#67#` Copy If your phone says “invalid MMI code” `*67*{number}#` Copy Some networks use this form of the same code. If that turn-off code is rejected `#67#` Copy One of these erases the diversion, the other only switches it off. Try both. **Ask Optus directly if anything doesn’t work.** Carriers change these codes without announcing it. Their support team can set the diversion up on their side, or you can do it in your phone’s settings above. [Optus’s own call forwarding page](https://www.optus.com.au/support/answer/manage_call_diversions_on_your_mobile_phone_1764) · checked 2026-09-04 #### Vodafone AU Turn screening on `**67*{number}#` Copy Turn screening off `##67#` Copy Check it worked `*#67#` Copy If your phone says “invalid MMI code” `*67*{number}#` Copy Some networks use this form of the same code. If that turn-off code is rejected `#67#` Copy One of these erases the diversion, the other only switches it off. Try both. **Ask Vodafone AU directly if anything doesn’t work.** Carriers change these codes without announcing it. Their support team can set the diversion up on their side, or you can do it in your phone’s settings above. [Vodafone AU’s own call forwarding page](https://www.vodafone.com.au/support/device/call-forwarding) · checked 2026-09-04 #### amaysim Turn screening on `**67*{number}#` Copy Turn screening off `##67#` Copy If your phone says “invalid MMI code” `*67*{number}#` Copy Some networks use this form of the same code. If that turn-off code is rejected `#67#` Copy One of these erases the diversion, the other only switches it off. Try both. **amaysim hasn’t published a busy-only code of its own, so the one above is the international standard.** Most mobile networks accept it. If your phone rejects it, set it by hand instead: Settings → Calls → Call forwarding → When busy, and enter your screening number. **Ask amaysim directly if anything doesn’t work.** Carriers change these codes without announcing it. Their support team can set the diversion up on their side, or you can do it in your phone’s settings above. [amaysim’s own call forwarding page](https://help.amaysim.com.au/hc/en-au/articles/12886978832271) · checked 2026-09-04 ### Israel Enter your screening number in its normal local form and **keep the leading zero**. **If your carrier isn’t listed, or its code is refused, work down the others below.** These networks share the same standards, and a code published by one network in Israel very often works on another. #### Cellcom Turn screening on `**67*{number}#` Copy Turn screening off `##67#` Copy If your phone says “invalid MMI code” `*67*{number}#` Copy Some networks use this form of the same code. If that turn-off code is rejected `#67#` Copy One of these erases the diversion, the other only switches it off. Try both. **Ask Cellcom directly if anything doesn’t work.** Carriers change these codes without announcing it. Their support team can set the diversion up on their side, or you can do it in your phone’s settings above. [Cellcom’s own call forwarding page](https://cellcom.co.il/production/Private/Cellular/Cellular_upgrades/follow_me/) · checked 2026-09-04 #### Pelephone Turn screening on `*67*{number}#` Copy Turn screening off `##67#` Copy If your phone says “invalid MMI code” `**67*{number}#` Copy Some networks use this form of the same code. If that turn-off code is rejected `#67#` Copy One of these erases the diversion, the other only switches it off. Try both. **Ask Pelephone directly if anything doesn’t work.** Carriers change these codes without announcing it. Their support team can set the diversion up on their side, or you can do it in your phone’s settings above. [Pelephone’s own call forwarding page](https://www.pelephone.co.il/ds/heb/support/call-referral/) · checked 2026-09-04 #### Partner Turn screening on `*67*{number}#` Copy Turn screening off `##67#` Copy Check it worked `*#67#` Copy If your phone says “invalid MMI code” `**67*{number}#` Copy Some networks use this form of the same code. If that turn-off code is rejected `#67#` Copy One of these erases the diversion, the other only switches it off. Try both. **Before you dial.** Partner blocks this while call barring is on, and kosher subscribers may only forward to an authorised number. **Ask Partner directly if anything doesn’t work.** Carriers change these codes without announcing it. Their support team can set the diversion up on their side, or you can do it in your phone’s settings above. [Partner’s own call forwarding page](https://www.partner.co.il/n/partnerdigital/gsm_abbreviations) · checked 2026-09-04 ### Chile Enter your screening number in its normal local form, the way you would dial it at home. **If your carrier isn’t listed, or its code is refused, work down the others below.** These networks share the same standards, and a code published by one network in Chile very often works on another. #### Movistar Chile Turn screening on `**67*{number}#` Copy Turn screening off `##67#` Copy Check it worked `*#67#` Copy If your phone says “invalid MMI code” `*67*{number}#` Copy Some networks use this form of the same code. If that turn-off code is rejected `#67#` Copy One of these erases the diversion, the other only switches it off. Try both. **Ask Movistar Chile directly if anything doesn’t work.** Carriers change these codes without announcing it. Their support team can set the diversion up on their side, or you can do it in your phone’s settings above. [Movistar Chile’s own call forwarding page](https://ww2.movistar.cl/terminos-regulaciones/documentos/Numeracion-Especial-para-Servicios-Complementarios.pdf) · checked 2026-09-04 #### Entel Chile Turn screening on `*67*{number}#` Copy Turn screening off `##67#` Copy If your phone says “invalid MMI code” `**67*{number}#` Copy Some networks use this form of the same code. If that turn-off code is rejected `#67#` Copy One of these erases the diversion, the other only switches it off. Try both. **Ask Entel Chile directly if anything doesn’t work.** Carriers change these codes without announcing it. Their support team can set the diversion up on their side, or you can do it in your phone’s settings above. [Entel Chile website](https://www.entel.cl/) · checked 2026-09-04 ### Mexico Enter your screening number in its normal local form, the way you would dial it at home. #### Any network in Mexico Turn screening on `**67*{number}#` Copy Turn screening off `##67#` Copy If your phone says “invalid MMI code” `*67*{number}#` Copy Some networks use this form of the same code. If that turn-off code is rejected `#67#` Copy One of these erases the diversion, the other only switches it off. Try both. **Any network in Mexico hasn’t published a busy-only code of its own, so the one above is the international standard.** Most mobile networks accept it. If your phone rejects it, set it by hand instead: Settings → Calls → Call forwarding → When busy, and enter your screening number. **Ask Any network in Mexico directly if anything doesn’t work.** Carriers change these codes without announcing it. Their support team can set the diversion up on their side, or you can do it in your phone’s settings above. ### Iceland Enter your screening number in its normal local form, the way you would dial it at home. #### Any network in Iceland Turn screening on `**67*{number}#` Copy Turn screening off `##67#` Copy If your phone says “invalid MMI code” `*67*{number}#` Copy Some networks use this form of the same code. If that turn-off code is rejected `#67#` Copy One of these erases the diversion, the other only switches it off. Try both. **Any network in Iceland hasn’t published a busy-only code of its own, so the one above is the international standard.** Most mobile networks accept it. If your phone rejects it, set it by hand instead: Settings → Calls → Call forwarding → When busy, and enter your screening number. **Ask Any network in Iceland directly if anything doesn’t work.** Carriers change these codes without announcing it. Their support team can set the diversion up on their side, or you can do it in your phone’s settings above. ### Panama Enter your screening number in its normal local form, the way you would dial it at home. #### Tigo Panamá Turn screening on `**67*{number}#` Copy Turn screening off `##67#` Copy If your phone says “invalid MMI code” `*67*{number}#` Copy Some networks use this form of the same code. If that turn-off code is rejected `#67#` Copy One of these erases the diversion, the other only switches it off. Try both. **Tigo Panamá hasn’t published a busy-only code of its own, so the one above is the international standard.** Most mobile networks accept it. If your phone rejects it, set it by hand instead: Settings → Calls → Call forwarding → When busy, and enter your screening number. **Ask Tigo Panamá directly if anything doesn’t work.** Carriers change these codes without announcing it. Their support team can set the diversion up on their side, or you can do it in your phone’s settings above. [Tigo Panamá’s own call forwarding page](https://ayuda.tigo.com.pa/) · checked 2026-09-04 ## 4. Device-specific help If the code was accepted but calls still aren't being screened, your phone may be blocking forwarding. Find your brand: ### Samsung Samsung's Auto Blocker can silently block forwarding. Go to Settings → Security and privacy → Auto Blocker and turn it off temporarily. ### Xiaomi / Redmi / POCO Allow call forwarding permission: Settings → Security → Permissions → Call forwarding → Allow. ### Huawei / Honor Grant the Phone app permission: Settings → Apps → Permission Manager → Phone → Allow. ### OnePlus Allow the Phone permission: Settings → Privacy → Permission Manager → Phone → Allow. ### OPPO / Realme Allow call permissions: Settings → Privacy → Permission Manager → Allow calls. ### vivo Allow the relevant permission: Settings → Privacy → Permission Manager → Allow. ### Motorola Grant the Phone app permission: Settings → Apps → Phone → Permissions → Allow. ### Google Pixel Pixels generally work out of the box — just dial the code. If it fails, remove any other call-screening or call-forwarding app that may be interfering. Still no luck on an Android phone? Some manufacturers hide call-forwarding permissions in a battery or "special access" menu. Search your Settings for **“call forwarding”** or **“permissions”** and make sure the Phone app is allowed. ## 5. Troubleshooting I got "Connection problem or invalid MMI code" The code was almost certainly typed slightly wrong. Re-open the app and use its Copy button to get the exact code, dial it from your **default** phone dialer (not a third-party dialer), and make sure you have signal. Enter it exactly, including the \* and # symbols. Calls are still coming straight through Forwarding may not be active. Re-dial your activation code, or check the status with **\*#67#**. On Samsung, disable [Auto Blocker](https://wcsg.app/support#samsung). On other Android phones, confirm the Phone app has call-forwarding permission (see your brand above). How do I know it's working? After activating, an unknown / test call that you don't answer should be screened and appear in the app with a live transcript. Calls from your contacts will ring normally and won't be screened. Will my normal calls still ring? Yes. It's conditional forwarding — only calls arriving while your line is busy, from people not in your contacts are screened. Everything else rings your phone as usual. How do I stop screening? Use the in-app toggle to pause it anytime. To take the forwarding off your line entirely, use the **Turn screening off** code for your carrier above. That clears the busy rule we set. It does not point your voicemail back at it, so afterwards open Settings → Calls → Call forwarding, look at **Forward when unanswered** — that number is your voicemail — and set **Forward when busy** to the same number. Is my call data stored anywhere? **Caller audio, no.** It is never recorded and never written to disk. Speech recognition runs on our secure screening server in memory only, and the audio is erased the moment your transcript reaches your device, where it is stored locally. **Your transcript, briefly.** It is produced on our screening server and delivered to your phone as the caller speaks. Once your device has it, our copy is deleted. If your phone can’t receive it — the app is closed, or you have no signal — we hold it only until your device collects it, and for no more than seven days, after which it is deleted automatically whether it was collected or not. Your contacts never touch the system. ### Still stuck? We're happy to help you get set up. Email us and include your phone model and carrier. [Email support](mailto:hello@wcsg.app?subject=Support%20request) [Home](https://wcsg.app/) [Support](https://wcsg.app/support) [Privacy policy](https://wcsg.app/privacy) [Terms](https://wcsg.app/terms) [hello@wcsg.app](mailto:hello@wcsg.app) © 2026 Who's Calling + SPAM Guard. 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