The more interesting question is why the reinvite is being rejected:
Status-Line: SIP/2.0 400 Bad Request
Message Header
Via: SIP/2.0/UDP
[PUBLIC-MITEL]:5060;received=[PUBLIC-MITEL];branch=z9hG4bK-d8754z-2648756d6bb46b65-1---d8754z-;rport=5060
From: <sip:pstn-did@[PUBLIC-MITEL]:5060>;tag=0_1970073968-102972850
To: <sip:+1callerid-did@[PSTN-IPADDRESS]:5060>;tag=gK0e4a212a
Call-ID: 1309573957_105226997@[PSTN-IPADDRESS]
CSeq: 747722615 INVITE
Error-Info: <sip:+1callerid-did@[PSTN-IPADDRESS]>;cause="[line
007] SIP syntax error"
Content-Length: 0
I don't see any bad syntax in that reinvite offhand, but it's entirely
possible that the UA in question doesn't like the 'topoh' droppings for
some reason. Can you disable topoh and see what happens?
-- Alex
--
Alex Balashov | Principal | Evariste Systems LLC
303 Perimeter Center North, Suite 300
Atlanta, GA 30346
United States
Tel: +1-800-250-5920 (toll-free) / +1-678-954-0671 (direct)
Web: http://www.evaristesys.com/, http://www.csrpswitch.com/
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