sip.edu - Ring back
Subject: SIP in higher education
List archive
- From: Jeremy George <>
- To:
- Cc: Jeremy George <>
- Subject: Ring back
- Date: Tue, 4 Jan 2005 10:36:27 -0500 (EST)
Ring back seems not to be working consistently for inbound calls.
Has anyone else experienced ring back issues? NB the calls complete as
expected and ngrep shows that a 180 (ringing) is being sent back from
the target SIP phone to the proxy and then on to the gateway (where
appropriate) in all cases.
- Jeremy
from Verizon to Yale SIP = ring back works
from SBC to Yale SIP = ring back works
from Nextel to Yale SIP = ring back does not work
from Cingular to Yale SIP = ring back does not work
from Yale SIP to Yale SIP (5 digit) = ring back works
from Yale PBX to Yale SIP (5 digit) = ring back works
- Ring back, Jeremy George, 01/04/2005
- Re: [sip.edu] Ring back, Alan Crosswell, 01/04/2005
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