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technical telephony consultation

Twilio Telephony Setup Discussion (Part 1)

Behnam ยท 2026-07-28 16:09:20 to 2026-07-28 16:17:01

Review: Pending Review

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Summary

Discussion about using Twilio to route calls from a landline number to mobile extensions. Explores the possibility of having a landline number behave like a mobile extension using Twilio, including inbound call routing and outbound caller ID presentation. Mentions GroundWire and SIP client complications. Concludes with a suggestion to find UK providers offering SIM-based PBX mobile extensions.

Facts

  • Twilio can own or port landline numbers
  • Twilio can route calls to app SIP client or mobile number
  • Twilio can present verified numbers as caller ID
  • GroundWire works but not ideal
  • SIM-based PBX mobile extensions exist

Tasks

  • Find UK providers offering SIM-based PBX mobile extensions

Issues

  • Push notification and SIP client complication
  • Need to connect to own PBX