Re: [Sip-implementors] In-Band DTMF

2008-12-03 Thread Stefan Sayer
o maverick me [12/03/08 05:32]: Hi All, Is there any open source available that support detection of In-Band DTMF. you could be interested in the spandsp library from http://www.soft-switch.org Stefan ___ Sip-implementors mailing list

Re: [Sip-implementors] Doubt on allow-events header inclusion in OPTIONS response

2008-12-03 Thread Scott Lawrence
On Wed, 2008-12-03 at 12:05 +0530, Pandurangan R S wrote: Hi, Registrar and proxy (say responsible for domain XYZ) are co-located (say node A). Since node A acts the registrar, it also terminates SUBSCRIBEs for event reg for the requests containing request uri as sip:[EMAIL PROTECTED]

Re: [Sip-implementors] In-Band DTMF

2008-12-03 Thread Dale . Worley
From: maverick me [EMAIL PROTECTED] Is there any open source available that support detection of In-Band DTMF. The sipX system's voicemail system uses RFC 4733 DTMF. I don't know if you consider that to be in-band. If you want to detect and decode DTMF out of a real audio stream, that's

Re: [Sip-implementors] In-Band DTMF

2008-12-03 Thread Alex Balashov
[EMAIL PROTECTED] wrote: From: maverick me [EMAIL PROTECTED] Is there any open source available that support detection of In-Band DTMF. The sipX system's voicemail system uses RFC 4733 DTMF. I don't know if you consider that to be in-band. If you want to detect and decode DTMF out

Re: [Sip-implementors] Software to create SIP flows?

2008-12-03 Thread Dale . Worley
From: =?UTF-8?Q?I=C3=B1aki_Baz_Castillo?= [EMAIL PROTECTED] Hi, is there any software tool (running over Linux if's possible) which allows creating SIP flows in text format? I use Emacs. Dale ___ Sip-implementors mailing list

[Sip-implementors] two-way hold/resume

2008-12-03 Thread kaiduan xie
Hi, all, Consider the following case, what are the right values in SDP in INVITE/200? A  B |    INVITE/SDP1    | |--| |    200/SDP2 | |--| |    ACK | |--|

Re: [Sip-implementors] Software to create SIP flows?

2008-12-03 Thread Iñaki Baz Castillo
El Miércoles, 3 de Diciembre de 2008, [EMAIL PROTECTED] escribió: From: =?UTF-8?Q?I=C3=B1aki_Baz_Castillo?= [EMAIL PROTECTED] Hi, is there any software tool (running over Linux if's possible) which allows creating SIP flows in text format? I use Emacs. Unfortunatelly I just have 5

[Sip-implementors] INVITE with no SDP: Content-Type or Accept headers?

2008-12-03 Thread Iñaki Baz Castillo
Hi, in case of an INVITE with no SDP, how should the request indicate what it wants? I think it should include an Accept header: Accept: Application/sdp But I wonder if Content-Type is needed (I expect no since there is no body). What about Content-Disposition header? There is no

Re: [Sip-implementors] two-way hold/resume

2008-12-03 Thread Paul Kyzivat
inline. kaiduan xie wrote: Hi, all, Consider the following case, what are the right values in SDP in INVITE/200? A B |INVITE/SDP1| |--| |200/SDP2 | |--| |ACK |

Re: [Sip-implementors] INVITE with no SDP: Content-Type or Accept headers?

2008-12-03 Thread Paul Kyzivat
Iñaki Baz Castillo wrote: Hi, in case of an INVITE with no SDP, how should the request indicate what it wants? I think it should include an Accept header: Accept: Application/sdp Yes. But I think you can omit it, because any UA that supports INVITE must support sdp. But I wonder if

Re: [Sip-implementors] INVITE with no SDP: Content-Type or Accept headers?

2008-12-03 Thread Iñaki Baz Castillo
El Miércoles, 3 de Diciembre de 2008, Paul Kyzivat escribió: Iñaki Baz Castillo wrote: Hi, in case of an INVITE with no SDP, how should the request indicate what it wants? I think it should include an Accept header: Accept: Application/sdp Yes. But I think you can omit it, because any

Re: [Sip-implementors] INVITE with no SDP: Content-Type or Accept headers?

2008-12-03 Thread Johansson Olle E
3 dec 2008 kl. 21.58 skrev Iñaki Baz Castillo: El Miércoles, 3 de Diciembre de 2008, Paul Kyzivat escribió: Iñaki Baz Castillo wrote: Hi, in case of an INVITE with no SDP, how should the request indicate what it wants? I think it should include an Accept header: Accept: Application/sdp

Re: [Sip-implementors] INVITE with no SDP: Content-Type or Accept headers?

2008-12-03 Thread Iñaki Baz Castillo
El Miércoles, 3 de Diciembre de 2008, Johansson Olle E escribió: The question here is really: If I get an INVITE without SDP and no Content-Type header, can I assume Content-Type: application/sdp? Well, I just think that there is no body, so there is no content type (maybe Content-Type:

Re: [Sip-implementors] INVITE with no SDP: Content-Type or Accept headers?

2008-12-03 Thread Paul Kyzivat
Johansson Olle E wrote: 3 dec 2008 kl. 21.58 skrev Iñaki Baz Castillo: El Miércoles, 3 de Diciembre de 2008, Paul Kyzivat escribió: Iñaki Baz Castillo wrote: Hi, in case of an INVITE with no SDP, how should the request indicate what it wants? I think it should include an Accept header:

Re: [Sip-implementors] INVITE with no SDP: Content-Type or Accept headers?

2008-12-03 Thread Dale . Worley
From: =?utf-8?q?I=C3=B1aki_Baz_Castillo?= [EMAIL PROTECTED] Hi, in case of an INVITE with no SDP, how should the request indicate what it wants? I think it should include an Accept header: Accept: Application/sdp But I wonder if Content-Type is needed (I expect no since there is

Re: [Sip-implementors] Different SDP in same early-dialog (same To_tag)

2008-12-03 Thread Neelakantan Balasubramanian
See below. Thanks, Neel. From: [EMAIL PROTECTED] [EMAIL PROTECTED] On Behalf Of Iñaki Baz Castillo [EMAIL PROTECTED] Sent: Friday, November 28, 2008 9:31 AM To: sip-implementors@lists.cs.columbia.edu Subject: [Sip-implementors] Different SDP in same

Re: [Sip-implementors] two-way hold/resume

2008-12-03 Thread kaiduan xie
Each time you are considering what to put into the SDP, ask yourself *why* am I making this choice of the direction? The possible answers are: - this is what I want/need based on *my* local state - this is not what I want, but it is the closest to what I want that is permitted in an answer

Re: [Sip-implementors] Different SDP in same early-dialog (same To_tag)

2008-12-03 Thread Paul Kyzivat
Neelakantan Balasubramanian wrote: See below. Thanks, Neel. From: [EMAIL PROTECTED] [EMAIL PROTECTED] On Behalf Of Iñaki Baz Castillo [EMAIL PROTECTED] Sent: Friday, November 28, 2008 9:31 AM To: sip-implementors@lists.cs.columbia.edu Subject:

Re: [Sip-implementors] two-way hold/resume

2008-12-03 Thread Raghavendra Kamath
Paul/Kaiduan, It was pretty insightful. So, applying Paul's logic, is the following a valid scenario? A,B are video endpoints and in a call with 2-way audio video flowing. Videocalls support the concept of presentation, wherein only one participant is allowed to generate videocontent for all to

Re: [Sip-implementors] two-way hold/resume

2008-12-03 Thread Paul Kyzivat
Raghavendra Kamath wrote: Paul/Kaiduan, It was pretty insightful. So, applying Paul's logic, is the following a valid scenario? A,B are video endpoints and in a call with 2-way audio video flowing. Videocalls support the concept of presentation, wherein only one participant is

Re: [Sip-implementors] two-way hold/resume

2008-12-03 Thread Raghavendra Kamath
Responses inlined.. -Original Message- From: Paul Kyzivat [mailto:[EMAIL PROTECTED] Sent: Thursday, December 04, 2008 11:06 AM To: Raghavendra Kamath Cc: sip-implementors@lists.cs.columbia.edu Subject: Re: [Sip-implementors] two-way hold/resume Raghavendra Kamath wrote: