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Author Topic: T.38 on OBi200: What are "FAX Event" and "Telephone Event"?  (Read 2544 times)
Jr. Member
Posts: 33

« on: August 11, 2017, 10:27:49 am »

I am trying to set up T.38 on the OBi200. What are "FAX Event" and "Telephone Event"? These have Codec parameters "fax-event" and "telephone-event", respectively:

FAX Event
  • Codec (admin guide says: "This codec can be used for relaying FAX tone event using RTP")
  • Enable
  • PayloadType
  • FaxEvents

Telephone Event
  • Codec (admin guide says: "This codec is for relaying DTMF events using RTP")
  • Enable
  • Payload Type

In particular, FAX Event is disabled by default. says to enable it, but it's not clear what actually this does, and what the consequences are of having it on or off. (Apparently, the OBi200 works just fine with G.711 fax pass-through without FAX Event enabled.)

* fax-event-telephone-event.png (20.82 KB, 772x330 - viewed 191 times.)
« Last Edit: August 11, 2017, 10:35:52 am by SeanTek » Logged
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