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Gateway Calls
Polycom®, Inc. 642
If the system dials out to only one destination endpoint, the dialed number is not shown, only the connection
status.
If the destination endpoint is ISDN, the system displays the connection progress in percentages, where the
percentages represent various stages in the connection process as follows:
● Up to 60% the connection of the ISDN channels (up to 30 channels can be connected when E1 is
used for the connection).
● 60% - 80% BONDING stage.
● 80% - 90% Capability exchange stage.
● 90% - 99% Media connection stage.
Once the call is completed, the indications are cleared.
If the call is not completed after trying all possible protocols, the system displays the number that was dialed
on the calling endpoint’s screen and one of the following causes:
● Busy - The far endpoint is in another call. In such a case, the system does not try to connect using
another communication protocol.
● Rejected - The far endpoint has rejected the call. In such a case, the system will try to connect using
another communication protocol.
● Unreached - The number could not be resolved by the gatekeeper or the SIP proxy or could not be
found on the network. In such a case, the system will try to connect using another communication
protocol.
● Failed - Any reason causing the system not to complete the connection process. In such a case, the
system will try to connect using another communication protocol.
You can hide the connection indications by changing the system configuration. For more details, see System
Configuration.
Gateway Session Parameters
The Collaboration Server creates a new conference that acts as a Gateway Session.
Gateway Session Name
The Gateway Session has a unique ID whose display name is composed of the following components:
● The prefix GW_,
● The Gateway Profile display name. For example, Default_GW_Session
● (number) where the number is a gateway conference counter.
For example: if the Gateway Profile display name is Default_GW_Session, the conference name will be
GW_Default_GW_Session(001).
Conference ID
The ID of the new conference is assigned randomly by the MCU.
The Gateway Session automatically ends when only one participant is left in the session.