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ITG User’s Guide
Chapter 5 Making a Call with ITG
This chapter how to make phone calls from telephony devices connected to the ITG directly
or indirectly.
5.1 Making a call with ITG FXS Module
ITG has two slide-in modules. FXS module can connect to analogue phone directly, and
FXO module can connect to PBX.
Connection: analogue telephone set connects to FXS module port
Operation:
1. Pick up this analogue telephone set, you can hear the ITG dial tone at the telephone set
2. The related LED will be lighted at the green color when the telephone set is pick up.
For Example: If the telephone set is connected to the second port of FXS. When you
pick up the telephone set, the second LED will be lighted at the green color.
3. We can dial the desired destination phone number at the telephone set. If the desired
destination phone number is legal, the ITG will play two quick address ack tones, Du
Du, to destination. If the desired destination phone number is illegal, the ITG will play
three quick out of service tones, please check the dial plan and your desired destination
phone number.
5.2 Making a call with ITG FXO Module
Connection: analogue telephone set connects to FXO module port
Operation:
1. Pick up this analogue telephone set, you can hear the PBX dial tone at the telephone
set. In some cases, you have to dial a specific number to get the connection between
telephone set and PBX.
2. Dial the phone number which is connected between PBX and ITG FXO module port.
Making a Call with ITG
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