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Copyright © TANDBERG 2008 Reference Guide Version 3.0 rev 3.0 38
6 ISDN Gateway methods
The following methods are present on ISDN gateway products, such as the ISDN GW 3220.
6.1 Common structures
Participant records
Several functions return participant records, which have the following fields:
Field Type Comments
uniqueId Integer A unique index for this participant.
protocol String Either h323 (for IP) or h320 (for ISDN).
number String the E164 number, IP address or DNS name of the
participant.
Name String The name of this participant (e.g. the h323
name).
autoAttendant boolean True if this participant is an auto attendant
running on the gateway, false otherwise.
incoming boolean True if the call is incoming to the gateway, false if
the call is outgoing.
videoCodec String The video codec used for this participant.
audioCodec String The audio codec used for this participant.
progress String The state of the connection to this participant.
One of: none, initial, proceeding, alerting,
connected or finished. Only present for
active participants.
Fecc boolean True if far end camera control is established, false
otherwise. Only present for active participants.
ipAddress String The IP address if the participant. Only present for
IP participants.
callIdentifier base64 The h323 Call Identifier for this participant. Only
present for h323 participants.
channelCount Integer The number of ISDN channels in use. Only
present for ISDN participants.
channels array of integers The channels in use by this call. Only present for
ISDN participants.
It is worth pointing out that, while in the functions below, these structures are called participantOne and
participantTwo, if the call was not initiated by the web interface or API (which is not currently possible), then
participantOne will be the calling party, and participantTwo the called party.