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Wireless IP Phones 7921 7925 7926

Diederik de Groot edited this page Apr 9, 2020 · 15 revisions

Wireless IP Phones 7921/7925/7926

Wireless Configuration

To configure the wireless network, you can press **# in the wireless settings menu to unlock the menu. When using a WPA2-PSK network, make sure to select Auto (AKM) as the security mode.

Additional XML configuration options for wireless phones

<WlanProfile1>0</WlanProfile1>
<WlanProfile2>0</WlanProfile1>
<WlanProfile3>0</WlanProfile1>
<WlanProfile4>0</WlanProfile1>
<specialNumbers></specialNumbers>
<PushToTalkURL></PushToTalkURL>
<unlockSettingsSequence></unlockSettingsSequence>
<outOfRangeAlert></outOfRangeAlert>
<scanningMode></scanningMode>
<powerOffWhenCharging></powerOffWhenCharging>
<barCodeSymbologyGroup></barCodeSymbologyGroup>
<scannerCommands></scannerCommands>

See : SEP0000000000.cnf.xml_7925_template for a 7925 SEPxxxx.cnf.xml example.

Web Administration Pages

The phone offers a built-in web server for flashing firmware images and configuration options. To access the web interface, go to https://[You Phone's IP-Address]/ with your browser.

In newer Firefox versions, you might see an SSL_ERROR_BAD_MAC_ALERT. Just add the IP address (or 192.168.1.100 if you're using the USB variant) to security.tls.insecure_fallback_hosts in about:config.

Direct Access through the Mini-USB port

Plug your phone into your PC and configure the newly created network interface as follows:

IP address: 192.168.1.150
Subnet mask: 255.255.255.0

After that, you'll be able to access the phone at https://192.168.1.100/index.html

Potential issues related to WMM (wireless multimedia)

If you're repeatedly getting messages like this:

SCCP: Alarm Message: Severity: Informational (2), Name=SEPXXXXXXXXXXXX Load=CP7925G-1.4.8.4 Last=TCP-Timeout [67584/1241711370]
sccp_session.c:679 sccp_session_device_thread: SEPXXXXXXXXXXXX: Closing session because connection timed out after 98 seconds (ip-address: SEPXXXXXXXXXXXX).

in your log similar, shortly after it registered and are not able to get a stable connection. Try to toggle WMM Mode (Wi-Fi Multimedia) in your Wireless Access Point(AP) (part of 801.11e).

Note: If you are using OpenWRT as your accesspoint, then switch off 'WMM mode'.

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