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Caller ID Detect
These options are used to teach the Syn_PBX system how to detect caller identity(caller ID) from
the PSTN lines on FXO ports.
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Caller ID Detection : Enable/Disable Caller ID Detection.
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Caller ID Signaling : The signaling type applied on the PSTN lines to pass caller ID.
Bell-US—Also known as BellcoreFSK. Used in the Canada, China, Hong Kong and US.
DTMF—Dual Tone Multi-Frequency. Used in Denmark, Finland and Sweden.
V23—Mostly used in UK.
V23-Japan—Mostly used in Japan.
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Caller ID Start : Defines when the caller ID starts.
Ring—Caller ID starts when a ring is received.
Polarity—Caller ID starts when polarity reversal starts.
Polarity(India)—Can be used in India.
Before Ring—Caller ID starts before a ring received.
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CID Buffer Length : The buffer length can be used to store caller ID info.
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Ring Debounce : Sets the minimum time in milliseconds to debounce extraneous ring events.
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DTMF Hits Begin : Sampling matching value of DTMF caller ID digits, you can choose 1 to 5
digits been matched then to consider it as part of the Caller ID.
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DTMF Misses End : Sample matching value of DTMF caller ID digits, you can choose 1 to 5
digits been mismatched then to consider it’s not part of the caller ID.
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Detect Caller ID After : Sets the SYN_PBX system to detect Caller ID after specific rings
received.
General