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Transcoder Required?

Is a transcoder required for the following example?

I have a PBX, 3600 router, and a Call Manager at Site A (REGION A), and a 2600 Router at site B w/ IP Phones (REGION B)

Analog calls made from the PBX flow through the 3600 router via G.711 (via VoIP dial-peer to the Call Manager), then to a 2600 router at site B via g.729a (as per the codec settings for calls between Region A and B).

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Cisco Employee

Re: Transcoder Required?

Just configure a codec class on both routers that can use either G.711 or G.729.

voice class codec 1

codec preference 1 g711ulaw

codec preference 3 g729r8

Then in the dial-peer, instead of saying codec g711ulaw, use voice-class codec 1

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