[Sip-implementors] Non-dialog NOTIFY for a SUBSCRIPTION with "Event: presence"

2016-07-25 Thread pratik patel
Hi, Is it possible to send Non-dialog NOTIFY for SUBSCRIPTION request with "Event:presence"? i.e 1) Let a SIP client(3001) SUBSCRIBE to get "presence" status of SIP client(3002) with call-id="1234" and cseq="1 SUBSCRIBE". 2) SIP client(3002) PUBLISH it's presence status, so presence s

Re: [Sip-implementors] Precondition negotiation in re-INVITE

2016-07-25 Thread Paul Kyzivat
On 7/25/16 7:38 AM, Brett Tate wrote: My doubt in RFC 3312 is about 183 response for a re-INVITE. Do user-agents respond with 18x for a re-INVITE and accept 183 in re-INVITE? How would you *not* accept one if it is received? You must do *something*. You *must* minimally wait for a final respon

Re: [Sip-implementors] Maximum length allowed in SIP header TO, FROM, VIA

2016-07-25 Thread Paul Kyzivat
On 7/25/16 6:25 AM, Brett Tate wrote: Could you please provide us the boundary condition of these SIP headers (TO, FROM, VIA). Maximum length value allowed in these header. RFC 3261 does not impose a maximum size upon headers. However, section 18.1.1 does discuss the message size constraints a

Re: [Sip-implementors] Maximum length allowed in SIP header TO, FROM, VIA

2016-07-25 Thread dheeraj kumar
Hi, Their is no boundary defined in the RFC but few of the vendor has implemented the boundary which reject the request by 400 Bad request. Below are few information specific to the box not mention any where in the RFC. SIP Header Restrictions Headers Limit (Max Bytes, Max Headers) Includes CRLF

Re: [Sip-implementors] Precondition negotiation in re-INVITE

2016-07-25 Thread Brett Tate
> My doubt in RFC 3312 is about 183 response for a re-INVITE. > Do user-agents respond with 18x for a re-INVITE and accept > 183 in re-INVITE? RFC 6141 section 3.1 discusses a situation potentially involving a user interaction. > What is the call state? How should 3pcc AS support 183 > in re-INV

Re: [Sip-implementors] Maximum length allowed in SIP header TO, FROM, VIA

2016-07-25 Thread Brett Tate
> Could you please provide us the boundary condition of > these SIP headers (TO, FROM, VIA). > Maximum length value allowed in these header. RFC 3261 does not impose a maximum size upon headers. However, section 18.1.1 does discuss the message size constraints associated with some transports. Ad