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Telephony Settings
Prefix Number Rules
Trunk Dial Out Verify/ Trunk Dial Out Replace: The system will transfer the number for all transit
out call through FXO port. For example: If you transit out with 01907123456, the system will trans
to 190601 907123456. If you transit out with 008621123456 the system will replace it with 190200
8621123456.
Trunk Dial Out Deny: The system will deny the call with the leading number filled in this column.
FXS Caller ID Generation: Select this option to enable the caller ID display function. When
enabled, the caller's phone number will be displayed on your phone set when the call comes through.
FSK is preferred in some countries.
FXO Caller ID Detection: To detect the Caller ID delivered from PSTN to the FXO port. While
enabled, the Caller ID detected on the FXO port will be send to the SIP Proxy Server on dialing out
calls.
Detection Level: If FXO can't detect Caller ID, try to adjust it until it can.
FSK Caller ID Type: Select FSK type. In most cases, Bellcore is preferred in North America and
ETSI in Europe.
Anonymous Caller ID (CLIR): When enabled, the caller's phone set will not display your number.
Anonymous Transit in W/O Caller ID: FXO won't detect caller ID, and the gateway will dial out
with an anonymous caller identficiation. If the call needs caller ID to be identified for Proxy, Proxy
will reject this call without caller id.
You have to enable "Wait for Caller ID before FXO / Trunk pick up" to ensure Caller ID is
detected correctly.
If you register the VoIP gateway to a Proxy, you may be unable to make a call. This is
due to the fact that the VoIP gateway doesn't send the number for authorization.
SIP Operation Manual V2.6
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