PLANET VGW-400FO User Manual

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4-Port SIP Internet Telephony Gateway

VGW-400 Series

Fax Relay

To enable T.38 Fax Relay or T.30 Fax Bypass or not.

(T.30 Fax Bypass only supports G711a law)

Input (Encode) Gain

Adjust the volume from PSTN to IP side (default is 0 dB)

Output (Decode) Gain

Adjust the volume from IP side to PSTN (default is 0 dB)

Dialing Answer Delay

Time (sec)

When the polarity reversal detection is disabled, VGW-400

Series answers the call (establish call between VoIP and FXO)

after time out to start billing count purpose. After the DTMF

digits dialing, VGW-400 Series sends 183 with SDP to SIP

Trunk to enable the voice path for VoIP side.

PSTN Answer Ring

Count

This ring count is used for called ID detection and 2-stage

dialing.

If the caller ID is sent between the first ring and the

second ring, this parameter should be set to greater than

or equal to 2.

If the caller ID is sent before the first ring, this parameter

can be set to greater or equal to 1.

After the ring count is reached, VGW-400 Series answers the

call and plays voice greeting file if 2-stage dialing is selected.

Or, make the VOIP call out directly if hotline mode and number

is selected.

Caller ID Mode

The detected Caller ID specification from the PSTN line based

on selected country list or FSK or DTMF.