View General Telephone Settings
Select Telephony directory to access the General Telephony Settings Screen.
Software/Hardware Secure Voice
Enable/Disable the STU-III scrambler.
Enable or disable the DC filter
Clock Rate Compensator
Dynamically adjusts clock rate for synchronous secure voice. Calls to compensate for slightly different end-to-end clocks or clock drift.
V.14 Auto Detection
Enable this option will save bandwidth by not transmitting V.14 start and stop bits on a media stream if V.14 is present on the modem side
Enabling this option allows SCIP devices to work over higher packet loss environments
Select this checkbox to enable MLPP diversion which specifies that a call that cannot be connected be diverted to an attendant but must be sent to a predetermined number.
Specifies the minimum precedence level to apply to the Diversion timer.
Specifies the number of seconds that a precedence call connection will be attempted before redirecting the call to the attendant. Valid range is 5-180 seconds. Specify Disabled to turn the timeout feature off.
Specifies the attendant phone number. This is the number that unanswered precedence calls will be diverted to.
Send CN RTP packets
In codecs that don't support silence, specifies the behavior of the comfort noise packets when silence is enabled.
Generate TDM CN on Media stream absence
Select this check-box to enable comfort noise when there is no media stream. This triggers the DSP to generate comfort noise if the media stream stops without explicitly requesting it. You specify the duration to wait for new RTP packets and the level of the comfort noise to generate.
Comfort Noise Level
Specifies the comfort noise level in -dBov.
Media stream timeout
Specifies the amount of time (in milliseconds) that the media stream can be absent before playing the comfort noise.
T.38 Fax Redundancy
Specifies the number of redundant T.38 packets to send.
T.38 CNG Detect
Select this check-box to enable or disable this feature.
Fax/Modem bypass on PCM
Select this check-box to disable the echo canceler when a fax or modem tone is detected.
RFC 2833 Events: Mute audio during events
Enabling this drops the voice RTP packets during RFC2833 packet generation.
Limited Capacity – Improved latency
If this is enabled the DSP has low latency, but it can affect performance in case of a heavy load. It improves Audio Quality.
Configure first port in RTP port range. Valid entry: even number between > = 16384 and < 32767
Configure last port in RTP port range. Valid entry: even number between > 16384 and < = 32767