User`s manual
101
J FXO Answer Mode
FXO Answer Mode Setting
FXO Answer Mode Concept:
When user calls the PSTN line which was connected with the FXO port, there are three answer
mode for user to configure.
7. Ringing Answer Mode (Default Setting): FXO answer the call once the ring coming from
PSTN line.
8. Connecting Answer Mode:
Case A: “Hot Line Number” was NOT assigned in the FXO port. FXO answer the call once
the ring come from PSTN line.
Case B: “Hot Line Number” was assigned and the Hot line number belongs to remote VoIP
device.
In this case, FXO port will not answer (off-hook) the PSTN till the user picks up the call.
(Note: This case can avoid charging for the Local PSTN call when the remoting VoIP devic
still ring.)
Case C: “Hot Line Number” was setting and the Hot line number was assigned to another
FXS port in same Gateway. FXO port will not answer (off-hook) till the Phone (connected to
the FXS port) was picked up by user.
(Note: This case can avoid the Local PSTN charge when the FXS port still ring.)
9. Non Answer Mode: FXO will NOT answer the call in any time.
(Note: Some ITSP only let the FXO for termination function, they do not user use the FXO
port for origination)
SIP Call Connecting Answer Mode
Case B:
Hot Line Number” was assigned and the Hot line number belongs to SIP device.
1. When the call com from PSTN to FXO, FXO start the Hot line dialing to remote SIP gateway
2. The phone of remote SIP gateway start ring.