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Call handling

A practical guide to missed-call callbacks

How Voxipo uses conditional forwarding and an SMS-verified business caller ID to call missed customers back.

Written by the Voxipo product team. Company details are in llms.txt.

A missed-call callback is a voice call back to the person who just rang you. Voxipo places that call using your SMS-verified business caller ID. It is not an SMS, not a voicemail drop, and not a live transfer to a person on your team.

This is the workflow owners ask about when they say they cannot pick up on a job site. It is also the piece most generic “AI answering” pages skip, because it depends on number verification and carrier forwarding, not only on a model.

How the route works

  1. The customer dials your business number.
  2. If nobody answers, the carrier forwards the call (conditional call forwarding, often abbreviated CCF).
  3. Voxipo dials the caller back presenting your verified number.
  4. The agent collects intake, answers approved questions, and may book if the calendar allows it.
  5. Your team gets the summary, transcript, recording, and contact record.

If step 2 never fires, no callback will look “broken” in the product. The carrier never sent the call. Test forwarding before you evaluate the agent.

Timing

Forwarding timing is a carrier setting: how many rings before unanswered, whether busy also forwards, whether a time-of-day schedule replaces CCF at close.

Voxipo cannot override that ring count. If you want fewer rings, change the carrier setting and re-test. If you want staff to have a chance to pick up, leave enough rings that a person in the office can still grab the line.

Do not mix campaign retry rules with this path. Outbound campaigns have their own calling hours, retries, and DNC tools. A missed-call callback is a response to a person who just tried you.

Caller ID and verification

Complete SMS OTP on the number you want shown. Customers should see the number they already know. That is the point of keeping the business line.

If verification fails, do not enable callbacks. A callback from an unknown DID trains customers to ignore your follow-up.

BlitzGo LLC requires number verification before accepting conditional forwarding onto the platform. That is a fraud control, not a marketing extra. See the privacy policy for how OTP data is used.

Opt-out and TCPA-aware outbound

Inbound missed-call follow-up is not the same as a marketing campaign. Someone who just called you is asking for a response. Campaigns that dial lists need consent, hours, and suppression rules in the product. Keep marketing lists off the missed-call path so you do not treat a job enquiry like a promo blast.

If a caller asks not to be called back, honor that in the record and do not keep retrying.

What to collect

  • Name and callback number
  • Service or question
  • Location, if you have a service area
  • Preferred timing

Keep it short. Custom quotes and complaints go to staff. Live warm transfer is not currently available, so do not imply that a manager will join the live call.

Test matrix

Test What to check
Unanswered inbound Forward fires; callback shows your caller ID on the handset
Busy / already on a call Confirm whether the carrier treats this as forward (CCF)
Routine booking Calendar event matches the rules
Out of area No unsupported promise; staff record created
Incomplete details Agent asks once, then leaves a request
After-hours Same caller ID; morning queue has a usable summary

Read the setup guide for knowledge, calendar, and the five go-live tests. HVAC and home-service examples: AI receptionist for HVAC, home services. After-hours patterns: setting up after-hours call answering.

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