TANDBERG MPS API Interface D13639 - Manual (Page 32)

TANDBERG MPS API
User Guide
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2.6 Special Commands
In addition to the root commands described above, XACLI support a set of root commands that
only applies to the Telnet session or RS232 session from where they are issued. This lets the
user/control application individually configure the session(s) in use.
Supported special commands:
•
xfeedback (not supported on all platforms)
•
xpreferences
2.6.1 xfeedback
The special command xfeedback lets the user register user defined XPath expressions (with
possible exposure options) to monitor changes in the XML/XACLI data. Whenever there is a
change in one or more elements addressed by a registered XPath expression, the part of the
element structure containing these changes will be returned. The system supports a total of 20
registered expressions, with a total of 15 expressions for one session.
xfeedback ?
usage: xfeedback register <XPathExpression>
or: xfeedback deregister <index>
or: xfeedback list
-
(note: deregistration with index=0 will deregister all registered
expressions)
OK
Example 2.20
User wants to monitor changes in audio protocols for all active calls:
xfeedback register status/call/channels/audio/protocol
To view registered expressions:
xfeedback list
*xf 1 status/call/channels/audio/protocol
OK
The call changes audio protocol from G722 to G728 on incoming audio channel on call 1:
*s Call 1 (status=Synced, type=Vtlph, protocol=H323,
direction=Outgoing):
Channels 1 (type=Incoming):
Audio (status=Active):
Protocol: G728
*s/end
When changing back to G722:
*s Call 1 (status=Synced, type=Vtlph, protocol=H323,
direction=Outgoing):
Channels 1 (type=Incoming):
Audio (status=Active):
Protocol: G722
*s/end