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FAX Mode Option
T.30/T.38 real-time FAX compliant Voice/FAX auto-switch.
The T.38 is a “Real Time Group 3 Fax Communication over
IP network” format. That’s meaning it’s a protocol for Fax
over IP. You have to enable this function.
H.323 RRQ TTL
This command configures the number of seconds that the
gateway should be considered active by the H.323
gatekeeper. The gateway transmits this value in the RRQ
message to the gatekeeper.The default value is “0”.
H.323 Registration type
There are 2 choices for this setting. “Gateway” means it will
act as the VoIP gateway. “Terminal” means it will act as the
IP phone terminal.
H.323 Telephone Advance Configuration
Silence Compression
If this function is enabled, when silence is occurred for a
period of time, no data will be sent across the network
during this period in order to save bandwidth.
Dial Complete Tone
Disable / Enable dialing complete tone.
Voice Codec option
The Codec is used to compress the voice signal into data
packets. Each Codec has different bandwidth requirement.
There are four kinds of Codec, G.723, G.729AB, G.711_u
and G.711_A. The default value is G.723.
FXS Impedance
The FXS provides 600/900 OHM impedances for selection.
FXO AC Impedance
The FXO provides wild and complex ac termination
impedances for selection.
Phone (Line) in/out volume
You can adjust the Phone (Line) in/out volume, range from
-9db to 9db.
FXO Tx/Rx Gain
You can adjust the FXO Tx/Rx Gain , range from -6db to
6db.
UK PSTN release tone
detection
When you use the Gateway to UK, you can Enable this
selection to detection release tone.
Scenario : Flash detection and generation duration
1. PSTN Call from PSTN to Office PBX and dial the extension 102 go to Gateway.
2. Call to Gateway of Home by Hotline.
3. Home user needs call transfer to extension number 101.
4. Dial Flash and Gateway FXS detect and generate the Flash to PBX in Office.
Flash Detection: Let you change flash detection (milliseconds) of Gateway when phone
generate flash to FXS.
Flash Generation: Let you change flash generation time (milliseconds) for PBX detection.