Telnyx (and maybe others) allow you to send them a Geolocation header in the SIP Invite to dynamically tell the carrier which 911 address to use. Telnyx provides a unique ID to use as the value of that header. This would be used instead of having to use a separate DID for every extension. Where, …

I don’t think you would. You would need to add it as custom dialplan. [image] Need to add SIP header to outbound calls on PJSIP trunk Configuration There are channel agnostic, native FreePBX subroutines for this. Use a dialplan hook to call like this: [macro-dialout-tru…

How do I set the "Geolocation" header for an extension?

FreePBX Configuration

david55 (david55) January 21, 2023, 11:18pm 2

I don’t think you would. You would need to add it as custom dialplan.