Room 538, Admin Building


Office Telephony (Cisco VoIP)

VoIP infrastructure and equipment are currently provided to GTIIT by STU. Maintenance and support of this service and equipment within GTIIT falls within the remit of the IT Department. This is a temporary arrangement and once GTIIT have received approval for equipment purchase etc., the IT department will instigate a rollout of an independent VoIP system.


Click here to download and fill in the application form, then send it to

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.