MyPBX Standard User Manual
www.yeastar.com Page 24
If the Frequency Detection is enabled, you must specify the local frequency.
·Polarity Detection
Configure if the call needs to be hung up when a polarity signal arrived
3）Advanced Options
·Caller ID Start
This option allows you to define the start of a Caller ID signal:
Ring: Start when a ring is received (Caller ID Signaling: Bell_USA, DTMF).
Polarity: Start when a polarity reversal is started (Caller ID Signaling:
V23_UK,V23_JP,DTMF).
Before Ring: Start before a ring is received (Caller ID Signaling: DTMF).
·Caller ID Signaling
This option defines the type of Caller ID signaling to use. It can be set to one of
the following:
Bell: bell202 as used in the United States
v23_UK: suitable in the UK
v23_Japan: suitable in Japan
v23-Japan pure: suitable in Japan
DTMF: suitable in Denmark, Sweden, and Holland
.Caller ID Detection
For fxo trunks, this option forces MyPBX to clarify Caller ID incoming calls.
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