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DMA Operations Guide Shared Number Dialing
204 Polycom, Inc.
See also:
“Conference Templates” on page 179
“Add Conference Template Dialog Box” on page 184
“Edit Conference Template Dialog Box” on page 193
Shared Number Dialing
The shared number dialing feature enables you to publicize a shared number
that can be used to reach multiple conferences, or virtual meeting rooms
(VMRs). After callers dial the shared number, they’re prompted for the VMR
number to which they want to connect.
This feature is analogous to the behavior of entry queues on the Polycom RMX
MCU, extending it to the DMA environment where the conference can start on
any of the connected MCUs. The call flow works as follows:
1 Callers dial a shared number to reach the Polycom DMA system.
2 The Polycom DMA system recognizes the dialed number as a virtual
entry queue (VEQ) number and routes the call to a Polycom RMX MCU
configured to provide the entry queue interactive voice response (IVR)
experience associated with the VEQ number dialed.
3 The MCU prompts the caller for the VMR number of the destination
conference and sends the response back to the Polycom DMA system.
4 The Polycom DMA system validates the VMR number entered by the
caller. If it’s valid, the system routes the call to an appropriate MCU for
the conference.
If the caller entered an invalid number, the system re-prompts the caller.
The number of retries is configurable.
Shared number dialing requires SIP signaling and is supported only by v7.0.2
or later Polycom RMX MCUs. The default dial plan contains a dial rule that
routes calls whose dialed number is a VEQ dial-in number to the correct VEQ.
You can create up to 60 different VEQs to provide different IVR experiences
(for instance, different language prompts or different greetings). You can
designate one of the VEQs as the Direct Dial VEQ, and the system will use it for
calls dialed without a VEQ or VMR number. For instance, if a call’s dial string
includes only the system’s domain name or IP address, the Polycom DMA
system uses the Direct Dial VEQ for it.
For each unique VEQ experience, you must create the corresponding RMX
entry queue on the MCUs to be used for IVR prompting in this call flow.