ITG User’s Guide
Ring back tone is heard
Phone 12345678 is ringing
Phone 12345678 picks up
Enjoy VoIP
Enjoy VoIP
The above process is the same as Gateway A phone 201 (301) calls to phone A number (03)
12345678
Case 3: PSTN Phone to Gateway Phone,
Phone A number (03) 12345678 calls to Gateway B phone 551
Human operation at
Phone A, Caller side
Equipment operation
Human operation at Gateway
B phone 551, Receiver Side
Pick up phone A
1.PSTN dial tone is heard.
Dial 87654321
1.Communication is going
2.PBX plays voice greeting
Dial 899
1.
The first LED is on at GWA
2.ITG dial tone is heard
Dial 20551
1.Du Du is heard
2.VoIP Communication is
working
Ring back tone is heard
1.
The second LED is on at GWB
Phone 551 is ringing
Pick up phone 551
Enjoy VoIP
Enjoy VoIP
The above process is the same as Phone A calls to phone numbers 201, 301, 800, 801 or 550
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Command Line Interface