RMX 2000 Administrator's Guide Version 7.6.1 - Polycom

Automatic Dial String Generation
Chapter 18-Gateway Calls
The administrator can configure the Gateway Profile to automatically generate and forward
the dial string from the RMX Gateway Session to the DMA in order to connect to the required
DMA Meeting Room. When this configuration option is selected, the participant does not
need to interact with the IVR Service.
Figure 19 Call Flow from ISDN Endpoint to Polycom DMA with Automatically
Generated Forwarded Dial String
Example:
Figure 1 shows the call flow assuming the following parameters:
First Dial-in Number 5705550
Last Dial-in Number 5705560
Use Dial-in Numbers as Destination ID Selected
PSTN participant dials (212)5705555
Destination Prefix (DMA Gatekeeper) 26
Number of Rightmost Digits to Append 4
DMA Meeting Room ID 5555
PSTN Dial-in Using GK Prefix
When connecting to an RMX that is standalone or part of a DMA solution deployment,
PSTN participants are prompted by an IVR message requesting the Destination Conference ID
followed by the # key to be entered using the DTMF input keypad.
Including the Gatekeeper Prefix in the DTMF input string enables PSTN participants to use
the input string when connecting to an RMX whether the RMX is a standalone MCU or part
of a DMA solution deployment.
Enabling PSTN dial-in using GK prefix
The feature is enabled by the USE_GK_PREFIX_FOR_PSTN_CALLS System Flag in
system.cfg. For more information see "Modifying System Flags” on page 21-1.
Polycom, Inc. 18-23