Re: [Sip-implementors] G723.1 H and G723.1 L SDP negotiation (yet again)

2010-02-26 Thread Ronak Shah
Dear elision, Is any device provide this type of configuration check it out what other product are doing for this? -Original Message- From: sip-implementors-boun...@lists.cs.columbia.edu [mailto:sip-implementors-boun...@lists.cs.columbia.edu] On Behalf Of Elison Niven Sent: Thursday, Fe

Re: [Sip-implementors] Multiple redirect responses in single transaction

2010-02-26 Thread Dale Worley
On Wed, 2010-02-24 at 21:16 +, Aaron Clauson wrote: > Since that would take extra work on the server and the client I'll be a > heretic and stick to my 184 info response approach for the time being. It's > not much of a contravention of the standard. A UAS can send back as many > info responses

Re: [Sip-implementors] Should a DTMF event (RFC 2833) be ignored if "volume=0" ?

2010-02-26 Thread Dale Worley
On Fri, 2010-02-26 at 12:26 +0100, Iñaki Baz Castillo wrote: > Hi, I've some interoperability problems with a PBX sending DTMF events as > follows: > > RFC 2833 RTP Event > Event ID: DTMF Eight 8 (8) > 0... = End of Event: False > .0.. = Reserved: False > ..00 = V

Re: [Sip-implementors] Unattended Call Transfer

2010-02-26 Thread Dale Worley
(I assume you are referring to RFC 5359 section 2.4.) On Fri, 2010-02-26 at 14:17 +0530, Bajaj, Gagandeep wrote: > Bob sends NOTIFY "terminated" (15th message) to inform Alice that he has > successfully connected with Carol. Beware that it in F15, it is not "Subscription-State: terminated" that

[Sip-implementors] Extended Deadline - 4th ACM Conference on Principles, Systems and Applications of IP Telecommunications (IPTComm)

2010-02-26 Thread Vijay K. Gurbani
4th ACM Conference on Principles, Systems and Applications of IP Telecommunications (IPTComm 2010) http://www.iptcomm.org August 2-3, 2010 Leibniz Supercomputing Center Munich, Germany I

Re: [Sip-implementors] RFC 2833 / RFC 4733 - question on duration "0"

2010-02-26 Thread Paul Kyzivat
Yes. You could also send to . Its an active enough place with people that are likely to have insight into what others are doing. Thanks, Paul Vinay Pande (vipande) wrote: > Emailing the authors of 4733 sounds like a good 1st step, since this can > become important as 4733 gains

Re: [Sip-implementors] Unattended Call Transfer

2010-02-26 Thread Paul Kyzivat
If you aren't interested in the NOTIFY, you can use the norefersub option to bypass the subscription altogether. Alternatively you could use the information about a failure to alert the transfering user in some way - display a message, blink, etc. From a practical perspective, I think a user th

Re: [Sip-implementors] Unattended Call Transfer

2010-02-26 Thread Avasarala Ranjit-A20990
Hi Responses inline Regards Ranjit -Original Message- From: sip-implementors-boun...@lists.cs.columbia.edu [mailto:sip-implementors-boun...@lists.cs.columbia.edu] On Behalf Of Bajaj, Gagandeep Sent: Friday, February 26, 2010 2:18 PM To: sip-implementors@lists.cs.columbia.edu Subject:

[Sip-implementors] Unattended Call Transfer

2010-02-26 Thread Bajaj, Gagandeep
Hi Bob sends NOTIFY "terminated" (15th message) to inform Alice that he has successfully connected with Carol. Till Alice gets NOTIFY "terminated", it keeps the dialog details. My question is: 1) Why after doing an unattended transfer and sending BYE to Bob, Alice would

Re: [Sip-implementors] Popularity of SIP-over-TLS/TCP vs.SIP-over-UDP

2010-02-26 Thread Pavesi, Valdemar (NSN - US/Boca Raton)
Yes ,nice documents. -Original Message- From: sip-implementors-boun...@lists.cs.columbia.edu [mailto:sip-implementors-boun...@lists.cs.columbia.edu] On Behalf Of ext Saúl Ibarra Sent: Friday, February 26, 2010 3:05 AM To: Charles Shen Cc: sip-implementors@lists.cs.columbia.edu; Kumiko O

Re: [Sip-implementors] Popularity of SIP-over-TLS/TCP vs. SIP-over-UDP

2010-02-26 Thread M. Ranganathan
On Fri, Feb 26, 2010 at 4:17 AM, Saúl Ibarra wrote: > On Fri, Feb 26, 2010 at 10:03 AM, Alex Hermann wrote: >> On Friday 26 February 2010 09:04:37 Saúl Ibarra wrote: >>> I guess that also the fact that SIP specification only requires a UDP >>> implementation has something to do with the adoption

Re: [Sip-implementors] SIP extension for 3GPP

2010-02-26 Thread Brett Tate
> Can you please tell me, what significance it makes for a > SIP client with and without 3GPP extension over an IMS network ? It depends upon how the client is being used within the network. > So what happens if i use sip client without 3GPP extension > over an IMS network ? It depends upon

Re: [Sip-implementors] Should a DTMF event (RFC 2833) be ignored if "volume=0" ?

2010-02-26 Thread Iñaki Baz Castillo
El Viernes, 26 de Febrero de 2010, Iñaki Baz Castillo escribió: > Hi, I've some interoperability problems with a PBX sending DTMF events as > follows: > > RFC 2833 RTP Event > Event ID: DTMF Eight 8 (8) > 0... = End of Event: False > .0.. = Reserved: False > ..00 =

[Sip-implementors] Should a DTMF event (RFC 2833) be ignored if "volume=0" ?

2010-02-26 Thread Iñaki Baz Castillo
Hi, I've some interoperability problems with a PBX sending DTMF events as follows: RFC 2833 RTP Event Event ID: DTMF Eight 8 (8) 0... = End of Event: False .0.. = Reserved: False ..00 = Volume: 0 Event Duration: 0 This DTMF is not recognized by my softswitch

Re: [Sip-implementors] Popularity of SIP-over-TLS/TCP vs. SIP-over-UDP

2010-02-26 Thread Saúl Ibarra
On Fri, Feb 26, 2010 at 10:03 AM, Alex Hermann wrote: > On Friday 26 February 2010 09:04:37 Saúl Ibarra wrote: >> I guess that also the fact that SIP specification only requires a UDP >> implementation has something to do with the adoption of SIP over TCP. > > I don't know what specification you'r

Re: [Sip-implementors] Popularity of SIP-over-TLS/TCP vs. SIP-over-UDP

2010-02-26 Thread Alex Hermann
On Friday 26 February 2010 09:04:37 Saúl Ibarra wrote: > I guess that also the fact that SIP specification only requires a UDP > implementation has something to do with the adoption of SIP over TCP. I don't know what specification you're talking about, but rfc3261 section 18 says: "All SIP eleme

Re: [Sip-implementors] Popularity of SIP-over-TLS/TCP vs. SIP-over-UDP

2010-02-26 Thread Saúl Ibarra
Hi Charles, > We have actually measured the impact of TLS cost on SIP server performance > using the OpenSIPS server on an Linux-based intel platform. Between TCP and > TLS, we see a performance reduction around a factor of two. But if we > compare the simplest UDP configuration with the most soph