Hi Roy, I think there is no draft or RFC for 2-line phone.
It's your task to design a SIP phone with two lines. Regards, Markus 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
