Telephone Line Interface Features Of The Obi Device; Line Port Status Event Package - Obihai OBi110 Administration Manual

Telephone Line Interface Features of the OBi Device

Line Port Status Event Package

OBi device accepts subscription to the proprietary x-line-port-status event package for notification of status change on its
LINE port. The SIP SUBSCRIBE may be directed to the SP1 or SP2 interface. The SIP NOTIFY sent by OBi device to the
subscribers of this event package includes an XML document in the message body with the proprietary Content-Type:
application/x-line-port-status+xml. The XML document has the following format:
<?xml version="1.0"?>
<x-line-port-status version="ver" state="full-or-partial">
<line id="1" state="line-port-state"/>"
</x-line-port-status>
Where ...
ver is a monotonically increasing integer on each NOTIFY, starting with 0
-
full-or-partial is either
-
o
full (for the immediate NOTIFY triggered by a SUBSCRIBE), or
o
partial (for the NOTIFY triggered by a status change on the LINE port)
line-port-state can be one the following values:
-
o
onhook = LINE port is on hook
o
line in use = The PSTN line is being used by an external handset parallel to the LINE port
o
ringing = The line is ringing
o
offhook = The LINE port is currently off hook
o
pwr down = The PSTN line is disconnected from the LINE port
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