Grandstream Networks HT801 Administration Manual page 53

Analog telephone adaptors
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Enable 100rel
Add Auth Header on Initial
REGISTER
Conference URI
Use First Matching Vocoder
in 200OK SDP
Preferred Vocoder
Voice Frames per TX
G723 Rate
iLBC Frame Size
Disable OPUS Stereo in SDP
iLBC Payload type
OPUS Payload Type
VAD
Symmetric RTP
Fax Mode
Appends "100rel" attribute to the value of the required header of the initial
signaling messages. Default is No.
Adds "Authentication" header with blank "nonce" attribute in the initial SIP
REGISTER request.
Default is No.
Allows users to manually configure the conference URL. The default is null.
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.
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, G722, iLBC and OPUS.
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.
Operates at specified encoding rate for G.723 vocoder. Available encoding
rates are 6.3kbps or 5.3kbps. Default is 6.3kbps.
Specifies iLBC packet frame size (20ms or 30ms).
Default is 20ms.
Disables OPUS stereo in SDP.
Default is No.
Determines payload type for iLBC. Valid range is between 96 and 127.
Default is 97.
Determines payload type for OPUS. Valid range is between 96 and 127.
Default is 123.
Allows detecting the absence of audio and conserves bandwidth by
preventing the transmission of "silent packets" over the network. Default is
No.
Changes the destination to send RTP packets to the source IP address and
port of the inbound RTP packet last received by the device. Default is No.
Specifies the fax mode: T.38 (Auto Detect) FoIP by default, or Pass-Through
If using Pass-through mode, select preference codec as PCMU or PCMA.
HT801/HT802 Administration Guide
Version 1.0.13.7
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