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How to forward business calls to an AI receptionist.

Call forwarding sends incoming calls from your existing line to another number. The right setup depends on your carrier, device and phone system.

By the Kyros team · updated October 27, 2026

Choose what moves

All calls, or only the ones you cannot take.

All-call forwarding

The destination answers instead of your original line. This can suit a defined shift, but it changes where every incoming call goes.

Conditional forwarding

Where supported, forward when a call is unanswered, the line is busy or the phone is unreachable. Each condition may have its own setting.

Scheduled routing

Some business phone systems offer an hours-based route. Confirm timezone, holidays and exceptions with your provider; do not assume a mobile line includes it.

Forwarding is different from number porting. You retain your existing provider and route calls to the destination number. Voice forwarding does not automatically move texts, voicemail, your outbound caller ID or your phone account.

A provider-led setup

Check the route before you change it.

There is no universal dial code. Use instructions for your exact line and plan, or ask the administrator of your business phone system.

  1. Identify the line and who controls it

    Confirm whether the number is mobile, landline or hosted VoIP, and whether an administrator must change routing. Save the existing voicemail, ring and forwarding settings.

  2. Confirm the destination

    Copy your assigned Kyros number from your setup. Confirm the country code and every digit before using your provider’s controls. Ask about forwarding fees and supported destination types.

  3. Choose the conditions

    Decide whether staff answer first. For conditional forwarding, check the delay and how a rejected, busy or offline call behaves. A voicemail service can answer before forwarding takes effect.

  4. Check each path with a separate phone

    Use sample caller details and an agreed test time so staff know this is a setup check, not a customer request. Place a controlled test through your business number. Check the greeting, caller details, unanswered path and any configured transfer. Test each forwarding condition you intend to use.

  5. Keep a way back

    Keep your provider’s steps to disable forwarding or restore the previous route. Recheck the business number after changing it back. Avoid sending a transfer to a number that forwards into the same route.

Use the original instructions

Start with your phone provider.

These are provider guides, not a list of carriers tested with Kyros. Business, residential, prepaid and mobile products can have different rules.

Verizon

Review destination restrictions, billing and the difference between immediate and conditional forwarding.

Verizon forwarding help

AT&T Wireless

Use the device-specific steps linked by AT&T. Check how forwarding affects your voicemail and charges.

AT&T forwarding help

T-Mobile

Check the supported forwarding conditions and follow the instructions for your device and line.

T-Mobile calling services

Provider guidance checked October 27, 2026. Settings and availability can change. For a hosted business phone system, follow its administrator documentation rather than a mobile-carrier guide.

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