Re: [Sip-implementors] Call transfer for an attended call without using REFER method possible?

Hi Paul,     Thanks a lot for your detailed response. You have answered all my doubts.       I am really grateful for your email. Thanks & Regards, Sourav Dhar Chaudhuri On Tuesday, 5 August 2014 8:11 PM, Paul Kyzivat wrote: On 8/4/14 10:12 AM, Sourav Dhar Chaudhuri wrote: > Hi, >    Is t

Re: [Sip-implementors] Call transfer for an attended call without using REFER method possible?

On 8/4/14 10:12 AM, Sourav Dhar Chaudhuri wrote: Hi, Is there any way when a answered call [ 200OK is already provided for initial INVITE and ACK also sent] can be transferred without using REFER method? If it is possible without REFER then please let me know required procedure. More

Re: [Sip-implementors] [Sip-implementers] what is the significant of IP address present in FROM, CONTACT & VIA Header

Hi, As I mentioned, they don't have to contain the same values. RFC 3261 sections 20.20, 20.10, and 20.42 describe the purpose of the headers. The From is an identity header. The Contact indicates where to send requests. The Via indicates where to send responses. The From can indicate example

Re: [Sip-implementors] what is the significant of IP address present in FROM, CONTACT & VIA Header

HI Brett, Thanks for your response. >From Section 20.10, the contact header is *Contact: "Mr. Watson" ;q=0.1* >From 20.20, the from header is *From: "A. G. Bell" > ;tag=a48s* >From Section 20.42, the via header is *Via: SIP/2.0/UDP erlang.bell-telephone.com:506

Re: [Sip-implementors] Call transfer for an attended call without using REFER method possible?

check RFC 5359 section 2.6 using MESSAGE method. Regards, Rohit On Tue, Aug 5, 2014 at 3:01 PM, Henning Christiansen wrote: > Maybe usage of the "Replaces" header (defined in RFC 3891) will help in > your scenario. > > Mit freundlichen Grüßen > > Henning Christiansen > > Entwicklung > -Urs

Re: [Sip-implementors] Call transfer for an attended call without using REFER method possible?

Maybe usage of the "Replaces" header (defined in RFC 3891) will help in your scenario. Mit freundlichen Grüßen Henning Christiansen Entwicklung -Ursprüngliche Nachricht- Von: sip-implementors-boun...@lists.cs.columbia.edu [mailto:sip-implementors-boun...@lists.cs.columbia.edu] Im Auftrag

Re: [Sip-implementors] what is the significant of IP address present in FROM, CONTACT & VIA Header

They don't have to contain the same values. RFC 3261 sections 20.20, 20.10, and 20.42 describe the purpose of the headers. -Original Message- From: sip-implementors-boun...@lists.cs.columbia.edu [mailto:sip-implementors-boun...@lists.cs.columbia.edu] On Behalf Of Anjan Naik Sent: Tuesday,

[Sip-implementors] FROM header in SIP INVITE shows:unavailable@unknown.invalid

Dear Team, We have the following call case: Call is originated from PSTN. We have GMSC node ( transit switch) which receives an INVITE containing encapsulated ISUP IAM message in SIP-I interface. The GMSC further sends INVITE in SIP interface to the end node (MSS) in which the FROM header does

[Sip-implementors] what is the significant of IP address present in FROM, CONTACT & VIA Header

HI All, Can anyone explain me , what is the significant of IP address present in FROM, CONTACT & VIA Header ? As all the header contains the same caller IP Address when INVITE being initiated. Thanks, Anjan ___ Sip-implementors mailing list Sip-implem

Re: [Sip-implementors] Call transfer for an attended call without usingREFER method possible? - Email found in subject

Johan, I was also thinking on sending reinvite, but it will only change the media IP address and won't create the new dialog to transfer target... Best Regards, Vivek Batra -Original Message- From: sip-implementors-boun...@lists.cs.columbia.edu [mailto:sip-implementors-boun...@lists.cs.c

Re: [Sip-implementors] Call transfer for an attended call without usingREFER method possible? - Email found in subject

Yes, indeed a Re-INVITE can be initiated in both directions by the transferor. For e.g.: A=transferor, B=transferee, C=transfer target C A B --> (Re-INVITE with no SDP) <-- (200 OK with SDP_b) < (Re-INVITE with SDP

Re: [Sip-implementors] Call transfer for an attended call without usingREFER method possible? - Email found in subject

you can do that by issuing a reinvite in the dialogue. Johan. -Original Message- From: sip-implementors-boun...@lists.cs.columbia.edu [mailto:sip-implementors-boun...@lists.cs.columbia.edu] On Behalf Of Sourav Dhar Chaudhuri Sent: maandag 4 augustus 2014 16:12 To: sip-implementors@lis

Re: [Sip-implementors] : No To-Tag in INVITE why?

Hi Amit, Thank you for your Response Thanks for explaining the dot i was having with respect to the To-Tag in the INVITE request. Thank you, With Regards Arun A. Tagare On Tue, Aug 5, 2014 at 12:25 PM, Amit Kumar Singh wrote: > Hi, > > Section 19.3 of RFC 3261 states the following: > > " The