Re: [asterisk-users] SIP via TCP - new TCP session per call or use same session for multiple calls?

2019-12-27 Thread Greg Troxel
"Joshua C. Colp" writes: >> I am curious if the "reuse registration TCP connection" is required by >> standards or if it is merely obviously good practice. >> >> I have had this problem too with asterisk 16.5.0 >> >> This is not the first recommendation I have seen to use kamailio as a >> proxy

Re: [asterisk-users] SIP via TCP - new TCP session per call or use same session for multiple calls?

2019-12-27 Thread Joshua C. Colp
On Fri, Dec 27, 2019 at 2:00 PM Greg Troxel wrote: > Dovid Bender writes: > > > So long as the tcp socket is open your SBC should send the call back over > > the same socket. Now it can be that your SBC is seeing the socket as > > timing out. If you are using Kamailio you can have it send tcp

Re: [asterisk-users] SIP via TCP - new TCP session per call or use same session for multiple calls?

2019-12-27 Thread Greg Troxel
Dovid Bender writes: > So long as the tcp socket is open your SBC should send the call back over > the same socket. Now it can be that your SBC is seeing the socket as > timing out. If you are using Kamailio you can have it send tcp keep alives > every so often so that the socket stays up. SBC?

Re: [asterisk-users] SIP via TCP - new TCP session per call or use same session for multiple calls?

2019-12-27 Thread Dovid Bender
So long as the tcp socket is open your SBC should send the call back over the same socket. Now it can be that your SBC is seeing the socket as timing out. If you are using Kamailio you can have it send tcp keep alives every so often so that the socket stays up. On Fri, Dec 27, 2019 at 10:41 AM

[asterisk-users] SIP via TCP - new TCP session per call or use same session for multiple calls?

2019-12-27 Thread Benoit Panizzon
Hi List I wonder how SIP via TCP is supposed to work. Not realy Asterisk related, but I hope you experts might be able to help out :-) One of our customers has a SIP device registering via a complex NAT. To benefit from TCP Connection Tracking, he choose TCP instead of UDP. So he expected, that