[asterisk-users] Cisco 7961G

[Pavel Jezek]

we are using 7941 with sip v8.2(2)SR3, it working quite well  ;-)


Eric Lubow wrote:
> All,
>
>    I am having a lot of trouble with the Cisco 7961G phones.  I have
> managed to get them up and running with Asterisk to the point where I
> can get incoming calls and make outgoing calls.  The problem is when I
> make outgoing calls or extension to extension calls, the calls die after
> 20 seconds.  I have google'd around and came up with little that is of
> help.  The firmware version I am using on the phone is 8.0.4SR1.
>
>    I have tried tcpdumping the conversation and I see that the phone
> doesn't send the SIP/SDP ACK packet back to the remote end.  Sometimes
> it does, but that's a rarity.  There doesn't seem to be any rhyme or
> reason as to when it will send the SIP/SDP ACK.  All I see is the
> following before the phone hangs up at 20 seconds (201 is the phone and
> 205 is the Asterisk Box):
>
> 10.230103 192.168.0.205 -> 192.168.0.201 SIP/SDP Status: 200 OK, with
> session description
>
>    Is there a newer version of the firmware that fixes this?  Is there a
> setting in Asterisk that can fix this?  Any help is greatly appreciated.
> Thanks.
>
> Eric
>
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