Ring time timer should be started in TU ( implementation specific). Shouldnt the endpoing issue CANCEL on expiry of it ??
On Tue, 22 Feb 2005 16:47:52 -0800, Poojan Tanna <[EMAIL PROTECTED]> wrote: > Hi, > > RFC#3261 is not clear whether Timer-B is applicable to Proceeding State. > Most of the implementation that I have seen Timer-B is applicable to > Proceeding state as well. > > Regarding changing the T1 value. I am not sure how feasible is this > solution. Since it not affects Timer-B but also other transaction > timers. > For example Timer A which controls request retransmissions also uses T1 > timer. > > Again, the ringing duration is implementation specific and 480 is most > preferred/used response. > > Thanks, > Poojan. > > > David Monahan wrote: > > > > Hi, > > > > I think the ringing duration is implementation dependent as previously > > stated. Have a look at "603 Decline" as a possible response - this is > > used in 3GPP SIP mappings for "no answer". > > > > "21.6.2 603 Decline > > The callee's machine was successfully contacted but the user explicitly > > does not wish to or cannot participate. The response MAY indicate a > > better time to call in the Retry-After header field. This status > > response is returned only if the client knows that no other end point > > will answer the request." > > > > Rgds, > > David > > > > [EMAIL PROTECTED] wrote: > > > > > > > > > > > > Hi Attila, > > > > > > "480 Temporarily Unavailable" is not used for this purpose > > > > > > RFC 3261 > > > 16.5 Determining Request Targets: > > > If the target set remains empty after applying all of the above, the > > > proxy MUST return an error response, which SHOULD be the 480 > > > (Temporarily Unavailable) response. > > > > > > So According to the RFC 3261, It will ring for ever > > > > > > Following is the thread from sip-implementors > > > > > > > > > http://lists.cs.columbia.edu/pipermail/sip-implementors/2002-July/003390.html > > > > > > But again it is in end point control, but in PSTN it is network control. > > > This kind of functionality should be in network control. > > > > > > > > > Regards, > > > Thangarajan. > > > > > > > > > > > > "Attila Sipos" > > > <[EMAIL PROTECTED] > > > astream.com> To > > > <[EMAIL PROTECTED]>, > > > 02/22/05 08:18 PM <[email protected]> > > > cc > > > > > > Subject > > > RE: [Sip-implementors] Ringing time > > > -- Endpoint or Network > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > Hi Thangarajan, > > > > > > How long you want the destination UA to ring for depends > > > on the implementation. > > > > > > Normally UA's have some kind of configuration variable > > > so that they can specify how long they should ring for. > > > If the call is not answered with that time period, > > > the destination UA will usually issue a > > > "480 Temporarily Unavailable" response. > > > (see RFC3261 for details on 480 response) > > > > > > Regards, > > > > > > Attila > > > > > > Attila Sipos > > > http://www.vegastream.com > > > > > > > > > > > >>-----Original Message----- > > >>From: [EMAIL PROTECTED] > > >>[mailto:[EMAIL PROTECTED] Behalf Of > > >>[EMAIL PROTECTED] > > >>Sent: 22 February 2005 12:42 > > >>To: [email protected] > > >>Subject: [Sip-implementors] Ringing time -- Endpoint or Network > > >> > > >> > > >> > > >> > > >> > > >> > > >>Hi, > > >> > > >> INVITE > > >>UAC --------------------------->UAS > > >> 180 Ringing > > >>UAC <---------------------------UAS > > >> > > >>We did not have any timer in proceeding state, so how long it > > >>has to ring > > >>in the UAS end ? > > >> > > >>if we set some propriority time in UA, then end point will > > >>have the control > > >>over this time. But in PSTN network, network is taking care of this > > >>functionality, not endpoint. > > >> > > >>Whether this functionality is take care by SIP Network ? > > >> > > >>Regards, > > >>Thangarajan. > > >> > > >> > > >> > > >>*********************** HSS-Private *********************** > > >>"DISCLAIMER: This message is proprietary to Hughes Software > > >>Systems Limited > > >>(HSS) and is intended solely for the use of the individual to > > >>whom it is > > >>addressed. It may contain privileged or confidential information and > > >>should not be circulated or used for any purpose other than > > >>for what it is > > >>intended. If you have received this message in error, please > > >>notify the > > >>originator immediately. If you are not the intended recipient, you are > > >>notified that you are strictly prohibited from using, > > >>copying, altering, or > > >>disclosing the contents of this message. HSS accepts no > > >>responsibility for > > >>loss or damage arising from the use of the information > > >>transmitted by this > > >>email including damage from virus." > > >> > > >>_______________________________________________ > > >>Sip-implementors mailing list > > >>[email protected] > > >>http://lists.cs.columbia.edu/mailman/listinfo/sip-implementors > > >> > > > > > > > > > > > > > > > *********************** HSS-Private *********************** > > > "DISCLAIMER: This message is proprietary to Hughes Software Systems > > > Limited > > > (HSS) and is intended solely for the use of the individual to whom it is > > > addressed. It may contain privileged or confidential information and > > > should not be circulated or used for any purpose other than for what it is > > > intended. If you have received this message in error, please notify the > > > originator immediately. If you are not the intended recipient, you are > > > notified that you are strictly prohibited from using, copying, altering, > > > or > > > disclosing the contents of this message. HSS accepts no responsibility for > > > loss or damage arising from the use of the information transmitted by this > > > email including damage from virus." > > > > > > _______________________________________________ > > > Sip-implementors mailing list > > > [email protected] > > > http://lists.cs.columbia.edu/mailman/listinfo/sip-implementors > > > > -- > > > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > > David Monahan > > AePONA Ltd > > Interpoint Building, 20-24 York Street, Belfast BT15 1AQ > > Email: [EMAIL PROTECTED] > > Tel: +44 (0)28 9026 9160 Fax: +44 (0)28 9026 9111 > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > > _______________________________________________ > > Sip-implementors mailing list > > [email protected] > > http://lists.cs.columbia.edu/mailman/listinfo/sip-implementors > > -- > ------------------------------------------------------------------------- > Poojan Tanna E-Mail: [EMAIL PROTECTED] > Phone Office : 510-747-5282 > Home : 510-569-8820 > ------------------------------------------------------------------------- > _______________________________________________ > Sip-implementors mailing list > [email protected] > http://lists.cs.columbia.edu/mailman/listinfo/sip-implementors > _______________________________________________ Sip-implementors mailing list [email protected] http://lists.cs.columbia.edu/mailman/listinfo/sip-implementors
