Search Extension; Edit Properties Of Multiple Extensions - D-Link DVX-2002F User Manual

Transport: Choose UDP, TCP or TLS as the transport protocol for SIP signaling.

SRTP: Secure Real-time Transport Protocol(SRTP)encrypts the RTP traffic to secure your VoIP

phone calls. Before enabling this option you needto ensure the end point can also support
SRTP.
Qualify: Asterisk sends a SIP OPTIONS command regularly to check that the device is still

online.
Remote Extension: By activate this option to enable this extension number to be able to be

registered from Internet.
DTMF Mode: Defines how the system detects DTMF tones, the default setting is rfc2833, it

can be changed if necessary.
Permit IP: Defines which IP address or network address is allowed to register to this

extension number, other addresses will be unable to register. Addresses can be private or
public IP Addresses.
Video Options
Video Call: Tick the checkbox to enable video call support. Supported video codecs are

H.261, H.263, H.263+, H.264, VP8.
Audio Codecs
DVX supported audio codecs areulaw, alaw, G.722, G.726, G.729, GSM, Opus and Speex. Enable
the ones you require by moving the audio codecs to the "Allowed" column.

2.8.2 Search Extension

If there are too many extensionson the extensions page, it is difficult to locate a single extension
number to edit its properties, you can search byspecifying the extension number and clicking
"Search" button.

2.8.3 Edit Properties of Multiple Extensions

Tick the checkboxes of the extensionsyou wish to edit, and click
are able to edit the options as below:
"Edit
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DVX IPPBX
Selected"button and you