Polycom RMX 1500 Administrator's Manual page 622

Chapter 17-Gateway Calls
17-32
Table 17-4 summarizes the PSTN participant's DTMF input depending on
the flag value.
Table 17-4 PSTN Participant input via DTMF
Configuration
Standalone RMX
Conference ID= 1234
RMX with DMA
Virtual Meeting Room ID in
DMA = 1234
DMA gatekeeper prefix = 76
FLAG:
USE_GK_PREFIX_FOR_PSTN_CALLS=
NO
PSTN participant PSTN participant enters:
enters: 1234#. 761234#
(The Gatekeeper
Prefix"76" is automatically
PSTN participant
removed from the DTMF
enters: 761234#
input string for a
standalone RMX.)
YES