GTIIT VoIP Dialing Instruction                    

                   

1. Internal Line
Dial the last 4 numbers directly

2. External Line
1) Local call: 9 + phone number.
2) National call: 9 + land-line phone number 

                         or 9+0 + mobile phone number.
3) International call: 9 + country code + phone number.



To apply for an office landline, please fill in the form here.


Thank you,

IT Department