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PRACK/rel100
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looserouting Offline
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Post: #1
PRACK/rel100
I had some problem with my phone T26P. it send PRACK retransmission even if it received a 200 OK response.(dunno if its a bug or it's caused by packet lost)

depending on the sip server this causes the server to send a 606 Not acceptable an the call was drop.

So i decided to turn off PRACK in the config menu.
I found the option "Retransmission" in Account-->Advanced. The describtions says "Enable/Disable PRACK transmission". But regardless of the choice i made the phone always sends "Supported: rel100". A SIP server could answer with "Require:rel100" in the response. So if deactivating PRACK the phone shouldn't send "Supported: rel100"

i am running 6.73.0.15 but it also happend with 6.72.0.79.
09-18-2014 10:28 PM
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Messages In This Thread
PRACK/rel100 - looserouting - 09-18-2014 10:28 PM
RE: PRACK/rel100 - James_Yealink - 09-19-2014, 11:25 AM
RE: PRACK/rel100 - looserouting - 09-23-2014, 05:50 PM
RE: PRACK/rel100 - looserouting - 11-03-2014, 04:09 AM

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