HT818 Administration Guide
Version 1.0.27.2
Uses INVITE message to refresh the session timer. Default is No.
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.
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.
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, G722, G.729, 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.
Disable OPUS Stereo in
SDP
Disables OPUS stereo in SDP. Default is No.
Determines payload type for iLBC. The valid range is between 96 and 127. Default
is 97.
Determines payload type for OPUS. The 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 (must
use codec PCMU/PCMA)
Re-Invite after Fax Tone
Detected
Permits the unit to send out the re-INVITE for T.38 or Fax Pass Through if a fax
tone is detected. Default is Enabled.
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