Specifications

Preference order of supported codec and packet times of
the phone.
Codec Preference
Enable Voice Activity Detection (VAD)
VAD is a technique that detects absence of audio and
conserves bandwidth by preventing the transmission of
"silent packets" over the network.
) Select if your IP Phone supports VAD.
DTMF mode Choose a DTMF mode used by the phone
4.3.2 Extension of IP Phone
The EXTENSION MANAGEMENT page lets the administrator to create extensions. Select Device ->
Extension of IP Phone, and one can add, edit, and delete extensions. Go to Service -> IP PBX
Service, and click RELOAD to activate changes.
4.3.2.1 Add an Extension
1. Click ADD to set an extension.
2. Enter settings shown in
Table 4.3.2.
3. Click ADD.
4. Click BACK to see the newly added extension.
4.3.2.2 Edit an Extension
1. Click an extension in the Extension Number.
2. Edit settings shown in
Table 4.3.2.
3. Click UPDATE.
4. Click BACK to see the updated information.
4.3.2.3 Delete an Extension
1. Select an extension numbers.
2. Click DEL to remove the extension from the Extension Number.
Table 4.3.2 Device Extension Configuration Settings
Field Description
Extension Number A unique line number composed of digits only, e.g. 101; 32
digits maximum. This is the login ID on the device
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