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Grandstream Networks HT812 Administration Guide

Grandstream Networks HT812
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P a g e | 49
HT812/HT814 Administration Guide
Version 1.0.9.3
UAC Specify Refresher
Specifies which end will act as refresher for outgoing calls.
Default is Omit.
UAC: The HandyTone acts as the refresher.
UAS: Callee or proxy server act as the refresher.
UAS Specify Refresher
Specifies which end will act as refresher for incoming calls. Default is Omit.:
UAS: The HandyTone acts as the refresher.
UAC: Callee or proxy server act as the refresher.
Force INVITE
Uses INVITE message to refresh the session timer. Default is No.
Enable 100rel
Appends 100rel attribute to the value of the required header of the initial
signaling messages.
Default is No.
Add Auth Header on Initial
REGISTER
Adds “Authentication” header with blank “nonce” attribute in the initial SIP
REGISTER request.
Default is No.
Conference URI
Allows users to manually configure the conference URL. The default is null.
Use First Matching Vocoder
in 200OK SDP
Includes only the first matching vocoder in its 200OK response, otherwise it
will include all matching vocoders in same order received in INVITE.
Default is No.
Preferred Vocoder
Configures vocoders in a preference list (up to 8 preferred vocoders) that will
be included with same order in SDP message. Vocoder types are G.711 A-
/U-law, G.726-32, G.723, G.729, iLBC and OPUS
Voice Frames per TX
Transmits a specific number of voice frames per packet. Default is 2;
increases to 10/20/32/64 for G711/G726/G723/other codecs respectively.
G723 Rate
Operates at specified encoding rate for G.723 vocoder. Available encoding
rates are 6.3kbps or 5.3kbps.
Default is 6.3kbps.
iLBC Frame Size
Specifies iLBC packet frame size (20ms or 30ms). Default is 20ms.
Disable OPUS Stereo in SDP
Disables OPUS stereo in SDP. Default is No.
iLBC Payload type
Determines payload type for iLBC. Valid range is between 96 and 127.
Default is 97.
OPUS Payload Type
Determines payload type for OPUS. Valid range is between 96 and 127.
Default is 123.

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Grandstream Networks HT812 Specifications

General IconGeneral
BrandGrandstream Networks
ModelHT812
CategoryTelephone Accessories
LanguageEnglish

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