hai all,
i have a douth regarding call wait and call transfer in sip
actualy if u see what Transfer is (for example in PARLAY)
there are A,B,C
A and B are in active
now B will keep A in HOLD and
will call C and talk to him
or
he can tranfer a call from B to C That is
A-------B
calls
----------------C
now B and C are active
A is in hold now generally in call transfer
B can make A and C to connect each other in MEDIA
WILL SIP PROVIDE THIS
if we see the 3pcc we have a controller which is not sip
then,
can we have this.
i also under stood the sip call transfer
like
THIS
Agent A Agent B
| ----------------------------------------> |
| REFER |
| 202 Accepted |
|<------------------------------------------|
|
|----!
---------->
| | whatever
|
|-------------->
|<------------------------------------------|
| Notify !
; |
|------------------------------------------->|
| 200 OK |
TRUE OK
BUT can any one clear my douth.
and also make we clear about the controller in 3pccc can it also we again a sip-ua
thanking you in advace for reply
regards,
sreeram
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