ATCOM AT840 series, User Manual

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AT8
AT8 AT8
AT84
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Series Series
Series User
User User
User Manual
Manual Manual
Manual
ATCOM TECHNOLOGY CO., LIMITED www.atcom.cn
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5.4. 5.4. 5.4. 5.4. Voice Voice Voice Voice
� � � �
Echo
Echo Echo
Echo Cancellation
Cancellation Cancellation
Cancellation
� VAD
：
Select it or not to enable or disable VAD(Voice Active Detection). If enable
VAD, G729 Payload length could not be set over 20ms.
� CNG
：
Select it or not to enable or disable CNG(Comfort Noise Generator)
� � � �
Jitter
Jitter Jitter
Jitter Buffer
Buffer Buffer
Buffer
�
Type: Choose type of jitter buffer. The SPA can buffer incoming voice packets to
minimize out-of-order packet arrival. This process is known as jitter buffer.
� Min Delay: The minimum delay of the jitter buffer.
� Max Delay: The maximum delay of the jitter buffer.
� Normal Delay: It is used as fixed delay which should be between min delay and
max delay.After finishing, click submit button to save changes..
5.5.
5.5.
5.5. 5.5. Ring
Ring
Ring Ring
Administer can upload 2 user define ring for AT840. The ring file sould be wav(8k, 8bit,
u-law) and no larger than 200k.
VoIPon www.voipon.co.uk sales@voipon.co.uk Tel: +44 (0)1245 808195 Fax: +44 (0)1245 808299