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After the user finishes setting Action URL on phone’s web UI, when the specific phone event occurs on the
phone, phone will send the Action URL to the specified SIP server. The dynamic variables in the Action URL
will be replaced by the actual values.
Here is an example:
Configure the following Action URL on the phone’s web UI→Settings→Outbound Notification→Action URL:
Incoming Call: 172.18.24.103/mac=$mac&local=$local
Outgoing Call: 172.18.24.103/remote=$remote&phone_ip=$phone_ip
On hold: 172.18.24.103/program_version=$program_version
During incoming call, outgoing call and call hold, capture the trace on the phone and exam the packets. We
can see the phone send Action URL with actual values to SIP server to notify phone events. In the following
screenshot, from top to bottom, the phone events for each HTTP message are: Incoming Call, Outgoing
Call, and On Hold in the format of the defined action URL with the parameters replaced with actual values.
Figure 9: Action URL Packet
The P values listed in below table are for the options under phone web UI→Settings→Outbound
Notification→Action URL.
Table 17: Action URL Parameters P-values
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