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VoIP Subscriber Gateways
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Gain receive (x0.1dB)
– received signal gain (transmitted into the phone handset),
measurement unit—0.1dB;
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Gain transmit (x0.1dB)
– transmitted signal gain (received by the phone handset
microphone), measurement unit—0.1dB;
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Min pulse
– configuration is required for pulse dialling mode;
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Interdigit
– configuration is required for pulse dialling mode;
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Caller-ID generation
– select mode for Caller ID generation. For Caller ID operation,
subscriber's phone unit must support the selected method.
Off - Caller ID is disabled;
Dtmf–DTMF Caller ID method. Issuing a number is made after each call on the line
with dual-frequency DTMF signals;
FSK BELL 202, FSK V.23 – FSK Caller ID method (using BELL 202 standard, or ITU-T
V.23). The number is served between the first and second calls on the line by a
stream of data with a frequency modulation.
Rus AON–'Russian Caller ID' method.
A number is issued by ‘Caller ID’ request signal
of callee phone
;
To enable Caller ID information reception, connected phone unit should support the
configured Caller ID method.
In FSK BELL 202 and FSK V.23 modes, Caller ID information is sent in SDMF format:
time/data and number.
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Hangup timeout, sec – dialing timeout for the first digit of a number. When there is no
dialing during the specified time, 'busy' tone will be sent to the subscriber, and the
dialing will end;
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Busy timeout, sec – launches when an incoming call is received and defines the
maximum call response time. When the defined timeout expires, busy tone will be sent
to the remote subscriber.
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Ringback timeout, sec – 'busy' tone timeout for the subscriber. If the subscriber doesn't
put the phone on-hook until the timeout expires, an error tone will be sent into the line.
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Payphone
– port operates in payphone mode:
Off – normal mode, paypnone is disabled;
Polarity reversal – payphone operation mode with polarity reversal. Perform line
power polarity reversal on subscriber's response, and return it to original state on;
