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[Partysip-dev] ATA186 and partysip question

From: Frost, Rod
Subject: [Partysip-dev] ATA186 and partysip question
Date: Fri, 10 Jan 2003 11:11:37 -0600


I am testing 2 ata 186's with partysip and during the call setup I see the 

UA                      Server                          UB

                        Trying <---------------
                        Invite ----------------->
                                                Trying <---------------
                                                Ringing <-----------------
                        Ringing <--------------
                                                OK <---------------
                        OK <------------------

Ack -------------------------->

Now the question is should UA be sending the ACK directly to UB or should it go 
through the server?   Right now the UA is sending the ACK to the server and the 
server is not forwarding it to UB.    So UB continues to send an OK waiting for 
the ACK I assume then after a couple of OK's from UB.  UB hangs up.

I am using version 0.5.0 windows for partysip.    The question is should the 
partysip server be sending the ACK to UB or do I have Cisco problem where the 
ata is sending the ACK to the wrong place.

I might add that after the OK message is received by UA the RTP packets start 
to flow between UA and UB.

Thanks for any help

Rod Frost

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