Re: [Sip-implementors] REGISTER message without Contact Header and Expires 0

2013-05-08 Thread Uttam Sarkar (usarkar)
It's a deregister request. So you need to remove all the bindings for that AoR. -Original Message- From: brezden [mailto:brez...@gmail.com] Sent: Wednesday, May 08, 2013 10:22 AM To: Keerthi Srinivasan Cc: sip-implementors@lists.cs.columbia.edu Subject: Re: [Sip-implementors] REGISTER mes

Re: [Sip-implementors] Response on call rejection

2012-05-22 Thread Uttam Sarkar (usarkar)
If the voicemail (VM) is present for Party B, then call will be answered by VM once predefined time is expired. -Original Message- From: sip-implementors-boun...@lists.cs.columbia.edu [mailto:sip-implementors-boun...@lists.cs.columbia.edu] On Behalf Of Aman Sent: Tuesday, May 22, 2012 4:42

Re: [Sip-implementors] Offer-Answer Query - Related to Slow start INVITE

2011-11-21 Thread Uttam Sarkar (usarkar)
UAC must send ACK with SDP (specifying that media (audio/video/image) port to 0). For details please refer to: http://tools.ietf.org/rfc/rfc4317.txt -Original Message- From: sip-implementors-boun...@lists.cs.columbia.edu [mailto:sip-implementors-boun...@lists.cs.columbia.edu] On Behalf Of

Re: [Sip-implementors] In case of Two Privacy Header or PrivacyHeaderhaving two values

2011-08-26 Thread Uttam Sarkar (usarkar)
That's what I suggested. It makes logical sense. Thanks, -Original Message- From: Vivek Talwar [mailto:vivek.tal...@frogdesign.com] Sent: Friday, August 26, 2011 2:46 AM To: Worley, Dale R (Dale); Uttam Sarkar (usarkar); prakash k; sip-implementors@lists.cs.columbia.edu Subject: RE:

Re: [Sip-implementors] In case of Two Privacy Header or Privacy Headerhaving two values

2011-08-25 Thread Uttam Sarkar (usarkar)
Looks like it's a conflict request from a UAC. One can have multiple Privacy header in SIP message with value specified as "user", "session", "header", "critical". When it specifies "none" then other values are meaningless. I think you can choose behavior of "none". That's my 2 cents. Thanks,

Re: [Sip-implementors] Response code sent by proxy to caller when UAS not registered

2011-08-15 Thread Uttam Sarkar (usarkar)
I agree with Inaki. We did exactly the same. -Original Message- From: sip-implementors-boun...@lists.cs.columbia.edu [mailto:sip-implementors-boun...@lists.cs.columbia.edu] On Behalf Of Romel Khan Sent: Friday, August 12, 2011 7:05 PM To: Iñaki Baz Castillo Cc: sip-implementors@lists.cs.c

Re: [Sip-implementors] About SIP and IPv6

2011-07-21 Thread Uttam Sarkar (usarkar)
Here are 2 RFC that may help you. IPv6 Transition in SIP: http://tools.ietf.org/html/rfc6157 SIP: http://tools.ietf.org/html/rfc3261 -Original Message- From: sip-implementors-boun...@lists.cs.columbia.edu [mailto:sip-implementors-boun...@lists.cs.columbia.edu] On Behalf Of guan xsun S

Re: [Sip-implementors] RTP Send thread problem

2011-03-28 Thread Uttam Sarkar (usarkar)
Try this. From: Siga [mailto:fruchta...@googlemail.com] Sent: Monday, March 28, 2011 9:48 AM To: Uttam Sarkar (usarkar) Cc: sip-implementors@lists.cs.columbia.edu Subject: Re: [Sip-implementors] RTP Send thread problem Hi Uttam, I did the changes as per your request (tried both the cases

Re: [Sip-implementors] RTP Send thread problem

2011-03-28 Thread Uttam Sarkar (usarkar)
Please see inline. From: Siga [mailto:fruchta...@googlemail.com] Sent: Monday, March 28, 2011 8:00 AM To: Uttam Sarkar (usarkar) Cc: sip-implementors@lists.cs.columbia.edu Subject: Re: [Sip-implementors] RTP Send thread problem Hi Uttam, about the variable for the sequence number I using

Re: [Sip-implementors] RTP Send thread problem

2011-03-28 Thread Uttam Sarkar (usarkar)
Make sure you use static or global variable for sequence number in rtp_send_packets. -Original Message- From: sip-implementors-boun...@lists.cs.columbia.edu [mailto:sip-implementors-boun...@lists.cs.columbia.edu] On Behalf Of Siga Sent: Monday, March 28, 2011 6:53 AM To: sip-implementors@l

Re: [Sip-implementors] SIP UDP packet loss?

2011-03-22 Thread Uttam Sarkar (usarkar)
If the transport is UDP then UA must retransmit request again if it does not receive any response within T1 time period. Default value of T1 is 500 ms. -Original Message- From: sip-implementors-boun...@lists.cs.columbia.edu [mailto:sip-implementors-boun...@lists.cs.columbia.edu] On Behalf

Re: [Sip-implementors] 401 Unauthorized message!

2011-03-22 Thread Uttam Sarkar (usarkar)
4341ae6cbe5a359", opaque="", uri="sips:ss2.biloxi.example.com", -à From: Siga [mailto:fruchta...@googlemail.com] Sent: Tuesday, March 22, 2011 9:12 AM To: Uttam Sarkar (usarkar) Cc: sip-implementors@lists.cs.columbia.

Re: [Sip-implementors] 401 Unauthorized message!

2011-03-22 Thread Uttam Sarkar (usarkar)
Please check you X-Lite configuration. It must have been configure with required authentication. So, your client must send INVITE with credentials to overcome 401 response. -Original Message- From: sip-implementors-boun...@lists.cs.columbia.edu [mailto:sip-implementors-boun...@lists.cs.col

Re: [Sip-implementors] SIP UDP packet loss?

2011-03-21 Thread Uttam Sarkar (usarkar)
-Original Message- From: Sambasiva Rao Manchili [mailto:sambasiva.manch...@nexustelecom.com] Sent: Monday, March 21, 2011 11:37 AM To: Uttam Sarkar (usarkar); Sambasiva Rao MANCHILI; sip-implementors@lists.cs.columbia.edu Cc: Antonio Gambin Subject: RE: [Sip-implementors] SIP UDP packet

Re: [Sip-implementors] SIP UDP packet loss?

2011-03-21 Thread Uttam Sarkar (usarkar)
There could be bottle neck in your application. Maybe it's unable to read all the UDP packets from the network. You need to find out what is the capacity of your application. -Original Message- From: sip-implementors-boun...@lists.cs.columbia.edu [mailto:sip-implementors-boun...@lists.cs.c

Re: [Sip-implementors] Invalid Request & TO URI

2011-03-17 Thread Uttam Sarkar (usarkar)
Looks like your customer is sending "hostname" incorrectly. Probably it could have been your proxy/B2BUA/SBC's IP address of FQDN. Then your SBC could have resolve that FQDN or hostname to forward the message to that particular proxy/B2BUA to handle call. As, your SBC is trying to resolve "none" a

Re: [Sip-implementors] dynamic payload negotiation

2010-11-29 Thread Uttam Sarkar (usarkar)
That's right. -Original Message- From: Bob Penfield [mailto:bpenfi...@acmepacket.com] Sent: Monday, November 29, 2010 10:24 AM To: Uttam Sarkar (usarkar); varun; sip-implementors@lists.cs.columbia.edu Subject: RE: [Sip-implementors] dynamic payload negotiation You have it backwards

Re: [Sip-implementors] dynamic payload negotiation

2010-11-29 Thread Uttam Sarkar (usarkar)
Correction.. -Original Message- From: sip-implementors-boun...@lists.cs.columbia.edu [mailto:sip-implementors-boun...@lists.cs.columbia.edu] On Behalf Of Uttam Sarkar (usarkar) Sent: Monday, November 29, 2010 9:54 AM To: varun; sip-implementors@lists.cs.columbia.edu Subject: Re: [Sip

Re: [Sip-implementors] dynamic payload negotiation

2010-11-29 Thread Uttam Sarkar (usarkar)
Please see inline. -Original Message- From: sip-implementors-boun...@lists.cs.columbia.edu [mailto:sip-implementors-boun...@lists.cs.columbia.edu] On Behalf Of varun Sent: Monday, November 29, 2010 5:31 AM To: sip-implementors@lists.cs.columbia.edu Subject: [Sip-implementors] dynamic paylo

Re: [Sip-implementors] RTP payload list in OFFER

2010-07-30 Thread Uttam Sarkar (usarkar)
PM To: Uttam Sarkar (usarkar) Cc: sip-implementors@lists.cs.columbia.edu Subject: Re: [Sip-implementors] RTP payload list in OFFER Hi Uttam, Here is my SBC, even is not forwarding the call to leg 2... Its first sending the 100 Trying in the correspondence of Initial Invite and then immediately sendin

Re: [Sip-implementors] RTP payload list in OFFER

2010-07-30 Thread Uttam Sarkar (usarkar)
-Original Message- From: sip-implementors-boun...@lists.cs.columbia.edu [mailto:sip-implementors-boun...@lists.cs.columbia.edu] On Behalf Of Nitin Kapoor Sent: Friday, July 30, 2010 1:36 PM To: sip-implementors@lists.cs.columbia.edu Subject: [Sip-implementors] RTP payload list in OFFER D

Re: [Sip-implementors] Request URI, FROM , TO headers in case of Call forwarding

2010-07-30 Thread Uttam Sarkar (usarkar)
-Original Message- From: sip-implementors-boun...@lists.cs.columbia.edu [mailto:sip-implementors-boun...@lists.cs.columbia.edu] On Behalf Of Vivek Singla Sent: Friday, July 30, 2010 12:11 PM To: sip-implementors@lists.cs.columbia.edu Subject: [Sip-implementors] Request URI, FROM ,TO heade

Re: [Sip-implementors] Private media - is this even possible?

2010-07-28 Thread Uttam Sarkar (usarkar)
Simon, Why re-INVITE is having CSeq: 104 instead of 103 ( initial INVITE had CSeq of 102)? This may not be an issue. Just wandering as you keep the Call Id and other parameter same. Why BYE has same tags in To and From header? If you fix the From tag then it might resolve your issue. f: ;tag=8

Re: [Sip-implementors] How sip stack can recover from the followingerror condition.....

2010-07-15 Thread Uttam Sarkar (usarkar)
I don't think that's a good idea. First of all you are adding a new Header and your falling in trap of an attacker. -Original Message- From: sip-implementors-boun...@lists.cs.columbia.edu [mailto:sip-implementors-boun...@lists.cs.columbia.edu] On Behalf Of radhakrishna Sent: Wednesday,