Grandstream Networks HT813

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HT813 Administration Guide
Version 1.0.1.2
Jitter Buffer Length
 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).
SRTP Mode
Selects SRTP mode to use (“Disabled”, “Enabled but not forced”, or “Enabled and
forced”). 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
Crypto Life Time
Adds crypto life time header to SRTP packets. Default is Yes.
Caller ID Scheme
Selects the caller ID scheme. Available options:
 Bellcore/Telcordia
 ETSI-FSK during ringing
 ETSI-FSK prior to ringing with DTAS
 ETSI-FSK prior to ringing with LR+DTAS
 ETSI-FSK prior to ringing with RP
 ETSI-DTMF during ringing
 ETSI-DTMF prior to ringing with DTAS
 ETSI-DTMF prior to ringing with LR+DTAS
 ETSI-DTMF prior to ringing with RP
 SIN 227 – BT
 NTT JAPAN
 DTMF Denmark prior to ringing with no DTAS no LR
 DTMF Denmark prior to ringing with LR
 DTMF Sweden/Finland prior to ringing with LR
 DTMF Brazil
 DTMF-FSK Brazil
DTMF Caller ID
Defines the start and stop tones as delimiters for the caller ID.
Start Tone and Stop Tone can be set to “Default”, “A”, “B”, “C”, “D” or “#”
FSK Caller ID
Minimum RX Level
(dB)
An adjustable value for the Caller ID signal to help this device to recognize Caller ID
from different networks. Range: -96 to -0dB. Default -40dB.
FSK Caller ID
Seizure Bits
Range is from 0 to 800 bits. Default 70.
FSK Caller ID Mark
Bits
Range is from 0 to 800 bits. Default 40.
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