Re: [Sip-implementors] Re-Invite Cancel Possible ?

2009-11-11 Thread Iñaki Baz Castillo
2009/11/11 Vivek Batra : >  Iñaki, > > Just wanted to confirm about the use case you defined! In either case where > Bob accept or deny the new SDP offer in Re-INVITE, where the use case exists > for CANCEL? Bob receives the re-INVITE offering video but doesn't accept/deny it within 30 seconds. Al

Re: [Sip-implementors] Re-Invite Cancel Possible ?

2009-11-11 Thread Vivek Batra
Iñaki, Just wanted to confirm about the use case you defined! In either case where Bob accept or deny the new SDP offer in Re-INVITE, where the use case exists for CANCEL? Best Regards, Vivek Batra -Original Message- From: sip-implementors-boun...@lists.cs.columbia.edu [mailto:sip-imple

Re: [Sip-implementors] Proxy-Authorization in initial INVITE

2009-11-11 Thread shyam
Hi, I have observed this. In the INITIAL INVITE or the FIRST INVITE when you send Proxy-Authorization with the response parameter generated the Server usually sends a 407. But when you send a Re-Invite with the response parameter in the Proxy-Authorization header generated using the n

[Sip-implementors] Proxy-Authorization in initial INVIT E

2009-11-11 Thread Ayyanar PK
Hi all,I want to make a call through a REGISTRAR; after registering when I call, I receive 407.On receiving 407 the following are the credentials usually sent in a new INVITE ProxyAuthorization: Digest username="5069028",realm="asterisk",nonce="065f0127",algorithm=MD5,uri="sip:00497119581...@87.

Re: [Sip-implementors] Re-Invite Cancel Possible ?

2009-11-11 Thread Iñaki Baz Castillo
2009/11/11 MUTHU VEERAPPAN ALAGAPPAN : > Is it valid to send a cancel for re-invite? Yes. > Can anyone tell me the usecase of a re-invite cancel? Alice has a voice session esablished with Bob. Alice wants to add video to the session so its phone sends a re-INVITE adding video capabilities. Bob

Re: [Sip-implementors] Is Multiple "Require" header possible ?

2009-11-11 Thread saurabh gupta
Thanks Rohit, I will align my implementation to take care of following text "Implementations MUST be able to process multiple header field rows > with the same name in any combination of the single-value-per-line or > comma-separated value forms """ Saurabh On Wed, Nov 11, 2009 at 3:32 PM, Rohi

Re: [Sip-implementors] Is Multiple "Require" header possible ?

2009-11-11 Thread Rohit Aggarwal
Hi Saurabh I think multiple Require headers is allowed. See Sec 7.3.1 Header Field Format. There is no exception for Require header here. Multiple header field rows with the same field-name MAY be present in a message if and only if the entire field-value for that header field is define

[Sip-implementors] Re-Invite Cancel Possible ?

2009-11-11 Thread MUTHU VEERAPPAN ALAGAPPAN
Hi All, I have questions about Re-Invite Cancel; can somebody answer this? Thanks. Is it valid to send a cancel for re-invite? Can anyone tell me the usecase of a re-invite cancel? I understand that when we have a proxy b/w the UAC and UAS, all SIP Messages flow end to end, exce

[Sip-implementors] Is Multiple "Require" header possible ?

2009-11-11 Thread saurabh gupta
Hi All,    Is it possible to get Multiple "Require" Headers in the Initial Invite Message. For example :       Invite ...       Via ..       Via ...       To ..       From ...       Require: 100rel       Require: precondition Is it possible to get more than one Require header, for me the correct