78 VoIP Subscriber Gateways
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.
- 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;
- Ringback timeout, sec – 'busy' tone timeout for the subscriber. If the subscriber doesn't
put the phone onhook until the timeout expires, an error tone will be sent into the line.
- 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.
- Payphone – port operates in payphone mode:
Off – normal mode, payphone 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;
12 kHz – when there is an outgoing call, tariff pulse with 12 kHz frequency will be
sent in the line one time per second;
16 kHz – when there is an outgoing call, tariff pulse with 16 kHz frequency will be
sent in the line one time per second;
- Rx AGC – when selected, a received signal will be amplified to the specified level
(maximum signal amplification is +/- 15 dB), otherwise—the amplification will not be
carried out.
- Rx AGC Level – determines the value of the level to which an analogue signal will be
amplified when receiving (allowed values: -25, -22, -19, -16, -13, -10, -7, -4, -1 dB).
- Tx AGC – when selected, a transmitted signal will be amplified to the specified level
(maximum signal amplification is +/- 15 dB), otherwise—the amplification will not be
carried out;
- Tx AGC Level – determines the value of the level to which an analogue signal will be
amplified when transmitting (allowed values: -25, -22, -19, -16, -13, -10, -7, -4, -1 dB).
- Stop dialing # – when selected, use # button on the phone unit to end the dialling,
otherwise # will be recognized as a part of the number.
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