Enterprise IP Phone Advanced Phone Functions
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1.
Syntax of the Music on hold server is the same as which of SIP URI.
2.
All involved parties can not use encrypted RTP.
SIP Diversion Display
When an outgoing call from the phone is being diverted to another party (i.e., via call
forward), the phone will display the Caller ID of the new party, Similarly, the new
party will display the Caller ID of the original caller and the redirected call
information indicated by DIVERSION or HISTORY-INFO header.
Call Diversion example:
1)
Alice calls John.
2)
John’s phone is busy.
3)
John’s phone forwards the incoming call to another party (Mary).
4)
Alice’s phone displays the Caller ID of the new party(Mary)
5)
Mary’s phone receives a call and displays the caller ID of the initiator (Alice)
and the diverted party (John).
See example of the phones’ LCD below:
Alice’s phone
Mary’s phone
Alice@ 3606 calls John’s phone which is busy Mary @ 3601 receives the incoming call from Alice
and diverts to Mary. diverted from John.
Note:
1.
Diversion is not available on all servers. Please contact your system
administrator for more information.
2.
Redirected call information is sent by SIP message in the Diversion header, per
draft-levy-sip-diversion-08, or the HISTORY-INFO header, per RFC 4244. It
depends on the server.
3.
Multiple diversions may take place on the phone. The phone receiving a diverted
call (i.e., Mary’s phone in example above) with the Diversion header will display
the information of the last diverted party (last encountered); the phone receiving
a diverted call (i.e., Mary’s phone in example above) with the History-Info header
will display the information of the first diverted party (first encountered).
