Re: [Sip-implementors] Call Transfer through a SIP trunk

2009-07-01 Thread Manoj Priyankara [TG]
@lists.cs.columbia.edu Subject: Re: [Sip-implementors] Call Transfer through a SIP trunk The acronyms you are using are a bit obscure. What is a SS ? Most ITSPs do not handle REFER. The bridging component has to convert the REFER to an INVITE to the target of the REFER ( i.e. it has to short circuit

Re: [Sip-implementors] Call Transfer through a SIP trunk

2009-07-01 Thread Manoj Priyankara [TG]
l Message- > From: sip-implementors-boun...@lists.cs.columbia.edu > [mailto:sip-implementors-boun...@lists.cs.columbia.edu] On Behalf Of > Paul Kyzivat > Sent: Tuesday, June 30, 2009 6:50 PM > To: Manoj Priyankara [TG] > Cc: sip-implementors@lists.cs.columbia.edu > Subject: Re: [Sip-implement

Re: [Sip-implementors] Call Transfer through a SIP trunk

2009-07-01 Thread Paul Kyzivat
ists.cs.columbia.edu > [mailto:sip-implementors-boun...@lists.cs.columbia.edu] On Behalf Of > Paul Kyzivat > Sent: Tuesday, June 30, 2009 6:50 PM > To: Manoj Priyankara [TG] > Cc: sip-implementors@lists.cs.columbia.edu > Subject: Re: [Sip-implementors] Call Transfer through a SIP

Re: [Sip-implementors] Call Transfer through a SIP trunk

2009-07-01 Thread M. Ranganathan
t > Cc: sip-implementors@lists.cs.columbia.edu > Subject: RE: [Sip-implementors] Call Transfer through a SIP trunk > > > If SS is acting as proxy then it can't handle media part. I would expect > SS also to be b2bua, in which case IP-PBX should exit from media path. > But as

Re: [Sip-implementors] Call Transfer through a SIP trunk

2009-07-01 Thread Manoj Priyankara [TG]
@lists.cs.columbia.edu Subject: RE: [Sip-implementors] Call Transfer through a SIP trunk If SS is acting as proxy then it can't handle media part. I would expect SS also to be b2bua, in which case IP-PBX should exit from media path. But as Paul said nothing is defined. -Original Me

Re: [Sip-implementors] Call Transfer through a SIP trunk

2009-07-01 Thread Rastogi, Vipul (Vipul)
-boun...@lists.cs.columbia.edu] On Behalf Of Manoj Priyankara [TG] Sent: Wednesday, July 01, 2009 8:40 AM To: Paul Kyzivat Cc: sip-implementors@lists.cs.columbia.edu Subject: Re: [Sip-implementors] Call Transfer through a SIP trunk Hi Paul, Sorry for using more generic terms. In this case the IP-PBX ac

Re: [Sip-implementors] Call Transfer through a SIP trunk

2009-06-30 Thread Manoj Priyankara [TG]
: Tuesday, June 30, 2009 6:50 PM To: Manoj Priyankara [TG] Cc: sip-implementors@lists.cs.columbia.edu Subject: Re: [Sip-implementors] Call Transfer through a SIP trunk Manoj, Virtually none of the terms you use below have well defined meanings in sip standards. Many people use such terms, but AFAIK

Re: [Sip-implementors] Call Transfer through a SIP trunk

2009-06-30 Thread Paul Kyzivat
Manoj, Virtually none of the terms you use below have well defined meanings in sip standards. Many people use such terms, but AFAIK there are not well understood and consistent implementations for them. So it is not possible to answer your question as posed. Tell us whether your SS and IP-PBX

[Sip-implementors] Call Transfer through a SIP trunk

2009-06-30 Thread Manoj Priyankara [TG]
Dear all, Please consider the following scenario. Assume that there is a standard Soft Switch; and an IP PBX is connected to the SS using a SIP trunk. IP PBX has a user (Say A) An incoming call comes from an external party through the SS to user A. User A transfers that call to an external par