[Asterisk-Users] * and Cisco Gateways

[John Todd]

>Anybody on the list who implemented Cisco ATA + * + Cisco 2600?  I 
>cannot get my calls from ATA to terminate to the Cisco gateway via 
>*.  I am not sure if it is my hardware problem.  I'm getting the 
>following "codec negotiation problem" from Cisco.
>
>23:39:08:  Unexpected VoIPCodec Type :g729br8
>23:39:08:  Unexpected VoIPCodec Type :gsmefr
>
>
>I appreciate any help I can get.  Thanks.

Go into sip.conf, and add these lines to the SIP peer for your Cisco 2600:

disallow=all
allow=ulaw
allow=alaw


This will force G.711 codec usage, which may solve your problems 
though it will increase your bandwidth.

JT