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Chapter 19-Gateway Calls
Polycom, Inc. 19-29
Table 19-7 summarizes the PSTN participant’s DTMF input depending on the flag value.
Deploying a Polycom RMX™ Serial Gateway S4GW
UC APL Public Key Infrastructure (PKI) requires that the Serial Gateway S4GW be connected
directly to the RMX and not to the H.323 network. The Serial Gateway effectively becomes an
additional module of the RMX, with all web and H.323 traffic passing through the RMX.
Figure 19-1Network infrastructure with direct connection to Serial Gateway S4GW
For more information see the Polycom RealPresence Collaboration Server (RMX) 1500/2000/
4000™ 1500/2000/4000 Deployment Guide for Maximum Security Environments, "Deploying a
Polycom RMX™ Serial Gateway S4GW” on page 5-1.
Table 19-7 PSTN Participant input via DTMF
Configuration
FLAG: USE_GK_PREFIX_FOR_PSTN_CALLS=
NO YES
Standalone RMX
Conference ID= 1234
PSTN participant enters:
1234#.
PSTN participant enters:
761234#
(The Gatekeeper Prefix”76” is
automatically removed from
the DTMF input string for a
standalone RMX.)
RMX with DMA
Virtual Meeting Room ID in DMA =
1234
DMA gatekeeper prefix = 76
PSTN participant enters:
761234#