Capture Distinctive Ring from Incoming POTS Line

General Help
1

Can anyone recommend a FXO (Foreign Exchange Office) Interfaces that can be used to capture the distinctive ring pattern of an incoming phone call on a POTS line and use that to route the call differently in freepbx based upon the incoming ring pattern?

Alternatively, if I capture the incoming distinctive ring pattern using a separate device (An old US Robotics modem does a good job at this task), is there any way to input this information into freepbx as a mechanism to route the call? I would be happy to write software to implement such an interface if there is a clean way to do it.

2

Both digium and Sangoma cards should be able to detect distinctive ring, though I can’t remember for sure if FreePBX already includes the functionality to detect it or if you would need some custom coding to route the calls based on the ring pattern.

3

Thanks. This is great information. I will reach out to each of these companies, and see what they have available.

4

Yep DAHDI has this baked in and it’s not too difficult to setup. Any Sangoma or Digium analog card should work. Some custom config required.

5

You do it in the Dahdil setup, here is an example.

https://www.geekzone.co.nz/forums.asp?forumid=43&topicid=112813

6

Thanks, everyone. It sounds like freepbx is going to do everything that I hoped, and more.

7

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