[Sip-implementors] Maximum allowed length of branch parameter in Via

2016-07-26 Thread Tarun Gupta
Hi Is there any normative reference in relation of maximum allowed length of Via branch parameter. One of our vendors is sending a very long branch parameter and resultantly the SIP message is being rejected with a 400 response. We need to support this behavior with any normative references. R

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

2016-07-26 Thread Paul Kyzivat
On 7/26/16 1:41 PM, My Gmail wrote: This is not possible. Please refer RFC 6665, section 4.1.3: It *is possible*. (And it is *done*.) But it is contrary to 6665, and (arguably) to 3265. Thanks, Paul Thanks and Regards Dheeraj Kumar Sent from iPhone On 26-Jul-2016, at 9:4

Re: [Sip-implementors] ACD (Average call duration) and its relation with RTCP

2016-07-26 Thread My Gmail
Their is no connection between rtcp and ACD but it could be possible their might be some device which disconnect the call in the absence of rtcp. But that vary from device to device. Thanks and Regards Dheeraj Kumar Sent from iPhone > On 26-Jul-2016, at 11:08 PM, Prasanth Sylvester > wrote

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

2016-07-26 Thread My Gmail
This is not possible. Please refer RFC 6665, section 4.1.3: Thanks and Regards Dheeraj Kumar Sent from iPhone > On 26-Jul-2016, at 9:42 AM, pratik patel wrote: > > Hi, > > Is it possible to send Non-dialog NOTIFY for SUBSCRIPTION request with > "Event:presence"? > > i.e 1) Let a SIP clien

[Sip-implementors] ACD (Average call duration) and its relation with RTCP

2016-07-26 Thread Prasanth Sylvester
Hi Team, Good day,In past we were on TDM & here is the connectivity,International Carrier -(sip)-> SBC -(sip)-> Softswitch -[tdm] ->(MSS/MGW)& now we have moved that link to IP/sip; & we observe the ACD (Average call duration) has really come down; When we have enabled rtcp on SBC, we observe th

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

2016-07-26 Thread Dale R. Worley
pratik patel writes: > Is it possible to send Non-dialog NOTIFY for SUBSCRIPTION request with > "Event:presence"? It is possible to send anything. It may not be useful to do so. > Will SIP client(3001) accept the NOTIFY request with different call-id > and cseq [from the SUBSCRIBE which the cl

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

2016-07-26 Thread Mohit Soni
Hi Pratik, RFC 3265 Section '3.2.4 Subscriber NOTIFY Behavior' states following *"Upon receiving a NOTIFY request, the subscriber should check that it matches at least one of its outstanding subscriptions; if not, it MUST return a "481 Subscription does not exist" response unless another 400- or