[Serdev] How to use ser to invite a group call

[jimmy way]

Hi all,
    This is the calling stream:
                DB
                 |
    UA 1 ---->  SER ---> Group A  (include UA2/ UA3/
UA4 ...)
    1 UA 1 send call to Group A through SER server
    2 SER server check DB and from UA2/UA3/UA4/... in
Group A
    3 SER server add these UA in the orient INVITE
packet (add some branchs) and then send it
    4 UA2/UA3/UA4/... ringing
    5 Then,
    a)if an UA ( for examples UA3) offhook(sending
200OK), other UA stop ringing(maybe get cancel direct
from SER server),  and SER forward only 200OK from UA3
to UA1,
Call connected.
    b)if an UA ( from examples UA2) deny the call(send
40x), SER server DONOT forward the message to UA1.
Other UAs still ring.
    c)if all UAs deny the call, SER server forward
last message to UA1, the call finished.

    I think this call process like when call a user
who registed from multi address. But in ser 0.8.12,
when call a user like this, if a UA answer the call,
other UAs still ring.

    Does ser fixed the problem or anyone know how to
do that.


Tks
Jimway


		
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