Hi Roy, our solution is that the connection to line 1 is build up. Then the second line will be build up. The first line is on auto hold (Re-INVITE Hold). After the second line is build up both line (audio/RTP) could be mixed together (Re-INVITE Resume line one).
I hope this helps. Regards, Markus Roy Yang wrote: > Is there any confirm about this? > > Thanks a lot. > > Regards > > On 9/25/06, Roy Yang <[EMAIL PROTECTED]> wrote: >> Receiving a call is easy to understand and we can implement on the phone. >> How about initiating a call from different line, because there are two >> cases: >> 1) Initiate a call from the same phone by selecting line 1 >> 2) Initate a call from the other phone with same AOR registed by picking >> it . >> >> Here is one question: How to join another call to one group call such as >> conference. >> >> For 1), it should be easy. >> But for 2), if without help of proxy server, I can't figure out how to >> make it. >> >> Thanks a lot. >> >> -Regards >> >> >> On 9/25/06, Paul Kyzivat <[EMAIL PROTECTED]> wrote: >>> This is much easier to implement than single line extension. >>> >>> A phone that is registered for some AOR will typically receive invites >>> for calls to the AOR whether it is currently in a call or not. What it >>> chooses to do about those is a local implementation issue. If you want >>> the phone to place a ringing indication on a different "line" on the >>> phone, go right ahead and do so. >>> >>> And with two phones, all you need do is register them both to the same >>> AOR. >>> >>> Paul >>> >>> Roy Yang wrote: >>>> Hi, All >>>> In analog world, for one 2-line phone, we can register 2-phones >>> with >>>> same phone number through PBX. >>>> When you are calling through line 1, and you can issue another call >>> or >>>> accepting another call through >>>> putting line 1 on hold, and dial another number . Also, you can switch >>> back >>>> to the line 1 by placing line 1 button. >>>> Another scenario is that you have two phones in one room, and you >>> are >>>> calling on line 1, and you can pick up >>>> a call or initiate another call through another call on line 2. >>>> >>>> This feature is different from single line extention described in >>>> draft-ietf-sipping-service-examples-10. >>>> >>>> Do somebody know how to implement this feature or it has been >>> defined >>>> in some RFC document? >>>> >>>> Thanks a lot! >>>> >>>> Regards >>>> >>>> -Roy >>>> _______________________________________________ >>>> Sip-implementors mailing list >>>> [email protected] >>>> https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors >>>> >> > _______________________________________________ > Sip-implementors mailing list > [email protected] > https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
