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ATA 186 two simultaneous calls

mmunarriz
Level 1
Level 1

How to configure a codec−class on the gateway to negotiate the second call using G.711 when G.729 is the default codec used???.

I know in simultaneous dual-port operation, the second port is limited to G.711 when using G.729.

Without this configuration, the second call will fail.

Thanks

2 Replies 2

mjordy
Cisco Employee
Cisco Employee

Check out:

http://www.cisco.com/warp/public/788/voip/ata_gatekeeper.html#register

Paying particular attention to the "Registering the ATA 186 with the Gatekeeper" section which discusses codec negotiation.

To configure an IOS gateway to use a codec class:

1. In global configuration mode configure:

voice class codec

codec preference 1

codec preference 2

Where "class-#" is a value from 1-10000 and "codec-type" is g711ulaw, g711alaw, g729br8, etc.

2. Under your VoIP dial-peer configure:

voice-class codec

Where "class-#" corresponds to the number of the codec-class you just configured.

The gateway should now negotiate the codec in preferential order until it finds one that can be agreed upon with the other endpoint.

Thanks,

Jordy



Response Signature


I will probe it.

Thank you very much Jordy.

mmunarriz

Buenos Aires, Argentina

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