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User Guide for the Polycom VVX 1500 C Business Media Phone for Cisco Unified Communications Manager (SIP)
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Your system administrator can set up your phone so that it can handle calls
that use either the SIP or H.323 protocol, or both protocols. Your phone may
be set up so that a line can handle one or both protocols.
If your phone can handle calls using both protocols, you may be able to choose
the protocol to use before you tap the Dial or Send soft key, or before a call is
automatically placed. You may also be able to choose to allow your phone to
automatically select the protocol to use.
If your phone is set up to handle both protocols, you may be able to choose a
protocol before you place a call using one of the following methods:
•
Soft key method
Soft keys display to allow you to choose the protocol. Tap the Use SIP,
Use H.323, or Use Auto soft key one or more times to toggle between
Use SIP (to place a SIP call), Use H.323 (to place an H.323 call), or
Use Auto (to allow your phone to automatically select the protocol to use).
The protocol you select displays in the title bar. Your phone will use the
selected protocol for all subsequent calls, unless you select a different
protocol.
•
Dialog box method
A dialog box displays to allow you to choose the protocol. Tap Use SIP (to
place a SIP call) or Use H.323 (to place an H.323 call).
For dual-protocol phones, the protocol displays next to all call IDs, including
the call IDs for conference call participants and calls on hold. The following
figure shows a SIP call placed to Jack Jones.
Polycom, Inc.
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