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Hello,The SIP To tag is been modified by a Cisco BTS. What is happening is:Invite Leg1 <sip:4444#19543845555@10.10.10.10>Leg2 - 180 Ringing To: <sip:4444%2319543845555@10.10.10.10>;tag=1_1146_t152539_7057 The call is failing because the # is been ch...
Hello,Currently I have interconnected a GW AS5300 with an Ericsson ANS using ISDN. The GW receives calls in SIP via Internet and pass them to the ANS using ISDN.My question: does the GW reserves an ISDN channel even if the calls ends up being:Cause i...
Very helpful,But, how can the SBC send a T.38 TCS message to the H323 Endpoint as a response to the first Facility TCS, if it hasn't received any T.38 info from the SIP UA???H.323 ---(T.38 TCS)--->SBCH.323 <--(T.38 TCS)----SBC ?????Regards.
Nicmath,I'm attaching a successfull Fax Call flow. I can see the RE-INVITE with T38 parameters followed by an H323 H245 RequestMode. What I still don't understand are the purpose of the TCS messages with T38 info, sent at the beggining of the call (s...
