Re: [Sip-implementors] Basic Questions

2009-07-23 Thread Abhishek Dhammawat
Hi To answer your query regarding difference between STUN & UPNP Simple Traversal Underneath NAT (STUN) is basically used for the Binding Discovery and NAT Keepalive. The Binding Discovery usage allows a STUN client to learn its public IP address (from the perspective of the STUN server it

[Sip-implementors] Basic Questions

2009-07-23 Thread chandan kumar
Hi all,   Iam pretty new to thi SIP field, so please give an on below questions.   Could anyone give me difference between STUN & UPNP? Are these  two are dependant on each other.   Any VOIP based phones should have both the functionalities?   How can we identify the type of router mean Static NAT

Re: [Sip-implementors] VoIPER testing tool!

2009-07-23 Thread Terron Williams
Hey friends, Actuallyy I can't take credit for the article... It was actually written by the author N.N.P. I was fortunate enough to have beta tested the software. If you have any question please let me know. Cheers! Terron -Original Message- From: Joshua Morin [mailto:j...@codenomicon

Re: [Sip-implementors] =?ISO-8859-2?Q?Re: RE: INVITE retransmissions after IST transaction isk=

2009-07-23 Thread Uttam Sarkar
It's Timer C. -Original Message- From: sip-implementors-boun...@lists.cs.columbia.edu [mailto:sip-implementors-boun...@lists.cs.columbia.edu] On Behalf Of Piotr Gutkowski Sent: Thursday, July 23, 2009 8:23 AM To: sip-implementors@lists.cs.columbia.edu; Somesh Subject: [Sip-implementors]

[Sip-implementors] =?ISO-8859-2?Q?Re: RE: INVITE retransmissions after IST transaction isk=

2009-07-23 Thread Piotr Gutkowski
Thanks Somesh for clarification. Does it refer to Timer C or another timer? Best Regards, Piotr "Shanbhag, Somesh (NSN - IN/Bangalore)" napisał(a): > Actually in TU, if the dialog doesn't go into the establishment state, it > can go away after sometime. > This should trigger all the IST w

Re: [Sip-implementors] INVITE retransmissions after IST transaction iskilled.

2009-07-23 Thread Shanbhag, Somesh (NSN - IN/Bangalore)
Actually in TU, if the dialog doesn't go into the establishment state, it can go away after sometime. This should trigger all the IST which it has created to go away as well. In this case, the IST shall be in Proceeding state. So, there has to be user defined "establishment timer" at TU level. W

[Sip-implementors] INVITE retransmissions after IST transaction is killed.

2009-07-23 Thread Piotr Gutkowski
Hello. Let's assume that we use unreliable transport like UDP and retransmissions are controlled by transaction mechanism. We have such scenario: 1. Server A ICT sends first INVITE request to Server B. 2. INVITE reaches Server B - IST is created, 100 Trying is send and lost. 3. Following INVITE