Configuring Advanced Features
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Scenario B - Placing a Call via Web User Interface
You can place a call via web user interface. Before doing it, ensure that the IP address of your
computer is included in the trusted IP address for Action URI on the phone. For more
information on the trusted IP address, refer to Configuring Trusted IP Address for Action URI on
page 546.
If you place a call via web user interface but the trusted IP address has not been configured, the
web user interface prompts “Call fail”.
To place a call via web user interface:
1. Click on Directory->Phone Call Info.
2. Select the desired account from the pull-down list of Outgoing Identity.
3. Enter the callee’s number in the Dial Number field.
4. Click Dial to dial out the number.
The web user interface prompts “Call Success” and the phone will automatically dial out the
number. You can click Cancel to end the call.
If it is the first time you place a call via web user interface, the touch screen will prompt the
message “Allow remote control?”. Tap OK on the phone to allow remote control and then the
phone will automatically dial out the number.
Note
Server Redundancy
Server redundancy is often required in VoIP deployments to ensure continuity of phone service,
for events where the server needs to be taken offline for maintenance, the server fails, or the
connection between the IP phone and the server fails.
Two types of redundancy are possible. In some cases, a combination of the two may be
deployed:
Failover: In this mode, the full phone system functionality is preserved by having a second
You can also place an IP direct call via web user interface. The IP phone supports either IPv4 or
IPv6 address.
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