Grandstream Networks HT801 Administration Manual page 34

iLBC Frame Size
Disable OPUS Stereo in SDP
iLBC Payload type
OPUS Payload Type
VAD
Symmetric RTP
Fax Mode
Re-IINVITE after Fax Tone Detection
Mode
Jitter Buffer Type
Jitter Buffer Length
SRTP Mode
SRTP Key Length
Crypto Life Time
SLIC Setting
Caller ID Scheme
DTMF Caller ID
Disable Unknown Caller ID
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. If set to Yes, HT8XX will remove /2 from offer.
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.
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
Selects jitter buffer type (Fixed or Adaptive) based on network conditions.
Default is Adaptive.
High (initial 200ms, min 40ms, max 600ms) Note: not all vocoders can meet the
high requirement.
Medium (initial 100ms, min 20ms, max 200ms).
Low (initial 50ms, min 10ms, max 100ms).
Selects the SRTP mode to use ("Disabled", "Enabled but not forced", or "Enabled
and forced"). The default is Disabled.
It uses SDP Security Description to exchange key. Please refer to
SDES: https://tools.ietf.org/html/rfc4568
SRTP: https://www.ietf.org/rfc/rfc3711.txt
Allows users to select supported SRTP Key Length. the available values are :
● AES 128&256 bit
● AES 128 bit
● AES 256 bit
Set to AES 128&256 bit By Default.
Adds crypto life time header to SRTP packets. Default is Yes.
Depends on standard phone type (and location).
Selects the caller ID scheme. For example: Bellcore/Telcordia, ETSI-FSK ...
Defines the start and stop tones (Default, A, B, C, D or #) to delimit CID.
This feature allows users to disable the analog phone's caller ID when the device
receive a call with Anonymous, unavailable or unknown as FROM USER and without