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153
2007 May 03
2
SIP peer / Maximum retries exceeded on transmission
...period of
time.
I was using 1.4.2, but found this changelog today for 1.4.3:
ftp://ftp.digium.com/pub/asterisk/releases/ChangeLog-1.4.3
2006-09-30 16:12 +0000 [r44068-44078] Paul Cadach <paul@odt.east.telecom.kz>
* channels/chan_sip.c: Found some buggy SIP clients (phones Planet
VIP-153T firmware 1.0, Linksys PAP2 firmware 3.1.9(LSc)) which
sends ACK not on OK message only (when remote party answers) but
on RINGING message too, so when we send 200 OK message, we get
unidentified ACK message (because INVITE acknowledged on RINGING
message already), so 200 OK retransm...