Revolabs FLX2 VoIP Advanced User Manual

Page 70

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of the codecs supported by FLX, the default ptime value is 20
ms/packet.

Disable silence
detector/voice
activity detector

Select this option to disable silence detector/voice activity detector
(VAD). VAD is a technique used in audio processing to detect the
presence or absence of human speech. Disabling VAD is
sometimes useful to work around NAT problems. This option is
unchecked by default.

Jitter buffer
maximum delay

Specify the jitter buffer maximum delay in milliseconds. Leave the
field empty or specify -1 to use the default. The FLX default is 500
ms.



Call Settings

From the Call Settings page you can choose to automatically answer calls, set the
maximum call duration, and enable or disable the FLX Handset’s message waiting
indicator. The figure below shows the Call Settings page. After changing any of these
settings, the phone must be restarted for the changes to take effect.


Call Settings
Auto-answer

This option allows to automatically answer calls even if not
physically at the location where the phone is located. We
recommend enabling this feature only for test purposes.

Enable Auto-answer to automatically answer incoming calls. If the
phone is set to Do Not Disturb or if there are no available lines, the
Forward rules will apply. If there are no Forward rules specified,
the incoming call will be sent to voice mail. If voice mail is not
supported, the call will be rejected.

Maximum call
duration

Specify the maximum call duration in seconds. When the call
duration reaches the maximum duration, the call will be
automatically terminated. An empty field indicates no maximum.

Enable message
waiting indication

Select this option to display the message waiting indicator (MWI)
on the FLX handset and to enable message waiting notifications
from the PBX. The PBX must be configures to support voice mail
for the registered user in order for this feature to work properly.

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