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07-30-2007, 11:01 PM | #1 |
Junior Member
Join Date: Jul 2007
Posts: 23
Thanks: 2 Thanked 1 Times in 1 Posts |
Sipbroker pSTN gateway misroutes ACK
When using a sipbroker access number or webcall to my voxalot account the call is not established correctly resulting in no voice. In my set
up I use an outgoing proxy because my phones are behind a NAT and also I use multiple phones with the same username. I did a message trace. The incoming INVITE had two RECORD-ROUTE with lr on, including the one from my proxy. The phone that answered sent ou t the 200 OK with the same RECORD-ROUTE as well as its CONTACT. The far end now sent ACK. This is where the problem lies. The REQUEST URI of the ACK was for the AOR/proxy not the CONTACT. This is in violation of RFC3261. The PSTN gateway is an Asterisk. A search revealed that his problem had been reported to Digium ( developers of Asterisk ) quite some time a go and had been supposedly fixed. The messages from this Asterisk did not reveal its version. This long ago trouble report describes the pro blem thoroughly and provides references to the pertinent sections of the RFC. Here is a link to that trouble report - bugs.digium.com/view.php?id=2687]0002687: ACK sent to wrong address - Digium Issue Tracker[/url] I would like the moderator to pass this report to those that that can correct the problem. Thank you |
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