[Sip-implementors] SIP option tags are case sensitive?

2014-12-30 Thread isshed
Hi All, Could anybody please let me know if the SIP option tags are case sensitive? Thanks, ___ Sip-implementors mailing list Sip-implementors@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/sip-implementors

Re: [Sip-implementors] SIP option tags are case sensitive?

2014-12-30 Thread Mayank Sharma
Hi All, Yes. SIP option tags are case sensitive. thanks -Original Message- From: sip-implementors-boun...@lists.cs.columbia.edu [mailto:sip-implementors-boun...@lists.cs.columbia.edu] On Behalf Of isshed Sent: Tuesday, December 30, 2014 5:37 PM To: sip-implementors Subject:

Re: [Sip-implementors] SIP option tags are case sensitive?

2014-12-30 Thread isshed
Thanks Mayank...Could you please provide the RFC reference? On Tue, Dec 30, 2014 at 5:56 PM, Mayank Sharma mayank2.sha...@aricent.com wrote: Hi All, Yes. SIP option tags are case sensitive. thanks -Original Message- From: sip-implementors-boun...@lists.cs.columbia.edu

Re: [Sip-implementors] SIP option tags are case sensitive?

2014-12-30 Thread Paul Kyzivat
On 12/30/14 7:06 AM, isshed wrote: Hi All, Could anybody please let me know if the SIP option tags are case sensitive? No, they are not. RFC3261, section 7.3.1: When comparing header fields, field names are always case- insensitive. Unless otherwise stated in the definition of a

[Sip-implementors] Cancelling a call before Provisional response

2014-12-30 Thread Anjan Naik
HI All, I have a query regarding Cancelling a call before Provisional response. As per RFC 3261, CANCEL can be sent after a provisional response (1xx response other than 100) receivecd. Suppose i make a call steps: 1) INIVITE sent to Callee 2) Callee didn't send anything Now i want

Re: [Sip-implementors] Cancelling a call before Provisional response

2014-12-30 Thread Kamini Gangwani
Hi Anjan, In this case, call is just initiated by sending INVITE request from UAC but since nothing has been received from UAS, so as per UAC behaviour from RFC 3261, UAC cannot send CANCEL for this request. Because it may be the case that INVITE has not even reached to UAS and ignored in

Re: [Sip-implementors] Cancelling a call before Provisional response

2014-12-30 Thread Alok Tiwari
Hi Anjan, CANCEL can be send only after receiving any provisional response (1xx including 100) and before receiving the final response of INVITE. Refer the section-9, RFC-3261: If no provisional response has been received, the CANCEL request MUST NOT be sent; rather, the client MUST wait

Re: [Sip-implementors] SIP option tags are case sensitive?

2014-12-30 Thread isshed
Thank you Paul. On Tue, Dec 30, 2014 at 11:25 PM, Paul Kyzivat pkyzi...@alum.mit.edu wrote: On 12/30/14 7:06 AM, isshed wrote: Hi All, Could anybody please let me know if the SIP option tags are case sensitive? No, they are not. RFC3261, section 7.3.1: When comparing header