[Asterisk-Users] cisco phones problems

[Greg Oliver]

use the qualify= syntax in your sip.conf and make sure it exceeds the
latency between the phones and asterisk server in ms.

-Greg

On Wed, 2005-09-28 at 16:17 -0700, Edwin Lam wrote:
> hi folks.
> 
> we recently deployed 10 Cisco 7960G w/ SIP firmware 7.3 on our network and
> we start having problems of dropping calls (actually the calls wasn't dropped
> it just the sound was muted for about 5-10 seconds, but most users will think
> the call dropped and hangup/redial). i've check the console output.
> there was a lot of messages like the following:
> 
> Sep 28 15:00:49 NOTICE[8182]: chan_sip.c:6678 handle_response: Peer '3289' is 
> now TOO LAGGED!
> Sep 28 15:00:59 NOTICE[8182]: chan_sip.c:6672 handle_response: Peer '3289' is 
> now REACHABLE!
> Sep 28 15:01:08 NOTICE[8182]: chan_sip.c:6678 handle_response: Peer '3201' is 
> now TOO LAGGED!
> Sep 28 15:01:18 NOTICE[8182]: chan_sip.c:6672 handle_response: Peer '3201' is 
> now REACHABLE!
> Sep 28 15:04:01 NOTICE[8182]: chan_sip.c:6678 handle_response: Peer '3289' is 
> now TOO LAGGED!
> Sep 28 15:04:11 NOTICE[8182]: chan_sip.c:6672 handle_response: Peer '3289' is 
> now REACHABLE!
> Sep 28 15:05:22 NOTICE[8182]: chan_sip.c:8059 sip_poke_noanswer: Peer '3201' is 
> now UNREACHABLE!
> Sep 28 15:05:32 NOTICE[8182]: chan_sip.c:6672 handle_response: Peer '3201' is 
> now REACHABLE!
> Sep 28 15:06:23 NOTICE[8182]: chan_sip.c:8059 sip_poke_noanswer: Peer '4881' is 
> now UNREACHABLE!
> Sep 28 15:06:33 NOTICE[8182]: chan_sip.c:6672 handle_response: Peer '4881' is 
> now REACHABLE!
> 
> we're running Asterisk 1.0.9 on Debian Sarge w/ custom kernel 2.6.12, strange
> thing is the system works fine with 2 Cisco phones & 8 Grandstream phone
> before, until i replaced the Grandstreams with Ciscos. the following is
> typical setting in sip.conf:
> 
> [1234]
> context=default
> type=friend
> host=dynamic
> username=1234
> secret=test123
> mailbox=1234
> callerid="John Smith" <1234>
> qualify=yes
> dtmfmode=rfc2833
> 
> any thoughts why this is happening?
> 
>