TANDBERG MPS API
User Guide
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
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