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set to Inactive.
Forward reason:
Unconditional forward: forward the call all the time
Busy forward: Forward the call when phone is busy.
No answer forward: forward the call when the call does not
answered after no answer timeout.
Forward TEL: The forward telephone number for the selected
reason
No answer timeout (seconds): The no answer timeout will be used
(default is 120 sec)
Call waiting: Enable call waiting or not. When disable call waiting
features, the second incoming call will be rejected.
Reject Anonymous Call: Reject the anonymous incoming call or not
Hot line: Enable to disable hot line feature
Hot line TEL: The number to be dialed automatically after the user
pickup the phone.
Polarity Reversal generation: Enable Polarity Reversal for FXS as
billing signal or not. When a FXS calls to VOIP and answered by the
VOIP, 25xx will generate reverse signal to FXS as a billing start. When
VOIP side disconnect first, 25xx will reverse back as a billing stop
.
signal
Current Drop generation: Enable current drop (0 voltage) when
VOIP is disconnected or not.
Input(Encode)Gain: Adjust the volume from FXS/FXO to VOIP
(default is 0 db)
Output(Decode)Gain: Adjust the volume from VOIP to FXS/FXO
(default is 0 db)
FAX Relay: Enable T.38 Fax Relay or T.30 Fax Bypass or not.
(T.30 Fax Bypass only supports G711a law)
Voice mail subscription: enable voice mail subscription (MWI) or
not.
Caller ID mode:
Inhibit: don't send caller ID to analog phone.
Transparent: send caller ID to analog phone.
SIP caller ID mode:
Inhibit: don't send caller ID to VOIP SIP
Transparent: send caller ID to VOIP SIP
Register Type:
Register: register to proxy. If it is not registered to SIP proxy,
the FXS line still can use SIP trunk for VOIP call.
Predefine: When it is set to predefine, 25xx will not send
register message out.
Internal: When it is set to internal, 25xx does not send
register message out, the FXS line still can use SIP trunk for
VOIP call or call locally.
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