Internet Telephony PBX System
IPX-330/IPX-2100
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The user extension number and system extension number ranges are defined here to avoid
confusion of the numbers in the IP PBX system. You can modify these number ranges
according to your real applications.
3.5.1.2 Analog Settings
Analog Settings are used for configuring the IP PBX system working seamlessly with your
telephone lines from the telecom.
Caller ID Detect
These options are used to teach the IP PBX system how to detect caller identity (caller ID)
from the PSTN lines on FXO ports.
Item Explanation
Caller ID Detection Enable/Disable Caller ID Detection
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.
Caller ID Start When the caller ID starts.
Ring—Caller ID starts when a ring 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
CID Buffer Length The buffer length can be used to store caller ID info.
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