User manual

VOPTech Document Four Channel’s GSM VoIP Gateway

3.10 Gain Settings…

A hidden webpage is provided to set the receiving and transmit gains of VoIP Chunnel.

The URL link is:

http://xxx.xxx.xxx.xxx/default/en_US/gain.html

THIS PAGE IS INTENDED FOR AN EXPERIENCED USER OR AN ADMINISTRATOR ONLY.

PLEASE SET THE GAINS WITH CAUTIONS.

Note: A too low or too high input gain MAY affect the sensitivity of DTMF detections

3.11 Network Configuration

Click on “Network” tab in the left menu column to configure the LAN and PC ports.

3.11.1 LAN Port

Three LAN Port modes are supported: DHCP, Static IP, PPPoE.