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SIP Operation Manual V2.6
Grounding Compensation: If the FXO can’t work correctly, you will hear noises or echoing in the
background as you are talking.
Enable FAX: Enable this line to detect if there is a FAX tone to transfer the codec.
Enable FXO/Trunk Extension Number: Select this function only when FXO receives 2 or more
different PBX or PSTN, or under special circumstances. Users are free to call out from a desired
channel, if assigned. If you register to a Proxy it MUST be checked.
Description:
If the user at Line 1 (FXS) of this system wants to assigns Line 4 (FXO) to make a call, he/she can dial
704 22520199.
If this item isn’t checked, the gateway will select a line automatically to call out from. For example, dial
22520199 without adding extension number 703 or 704 of the FXO port.
Pick up Line by dialing extension number: Allows user to dial just the FXO extension - 703 - to use
when the PSTN line is connected on the FXO port. If you are registered to a Proxy, it MUST be
checked.
Wait for Caller ID before FXO / Trunk pick up: To detect caller ID from FXO port.
Transit in Busy Tone Limit: The duration VoIP gateway plays a busy tone before FXO hook-on. To
notify the caller from PSTN that this call is finished.
Ring Time Limit(10 - 600secs)
：
The timeout to cancel a call when no one answers.
Enable End of Digit Tone
：
The VoIP gateway will play a “Beep-Beep” tone to notify the call is in
progress.
Force Calling Thru PSTN code: Dial the code to get a PSTN line for dial out. For example: If you
would like dial “23456789” through PSTN, just dial “*33 23456789”
