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
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