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HT813 Administration Guide
Version 1.0.1.2
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
.
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 7 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
.
VAD
Allows detecting the absence of audio and conserves bandwidth by preventing the
transmission of "silent packets" over the network. Default is
No
.
Symmetric RTP
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
.
Fax Mode
Specifies the fax mode: T.38 (Auto Detect) FoIP by default, or Pass-Through (must use
codec PCMU/PCMA)
Re-Invite after Fax
Tone Detected
Allows the unit to send out the re-INVITE for T.38 or Fax Pass Through if a fax tone is
detected. Default is
Enabled
Jitter Buffer Type
Selects jitter buffer type (Fixed or Adaptive) based on network conditions.