after much struggles. i've found out that if i ping the phone unit
from another computer constantly (couple pings every 5-10 sec)
the phone will operate fine. once i stopped the pings, the UNREACHABLE
message started to pop up and the drop calls problems starts. seems
like it's the firmware issue. does anyone uses Cisco SIP 7.3 (or 6.0,
i've tried downgraded it at some point) and have similar problems?
p.s. another piece of info: the phone units are set to a non default
vlan manually since we share the physical lan for both data & voice.
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?
--
Edwin Lam <[EMAIL PROTECTED]>
Systems Engineer, Office General, Inc.
Ph: +1 415 439 4988 Fax: +1 415 283 3370
http://pgpkeys.mit.edu:11371/pks/lookup?op=get&search=0xD6506D20
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