Call your colleagues by just dialing the 3 digit extension number with no cost. The name of the caller will be also displayed. You can change your extension number between EXT 500 to EXT 519 as long as it is not in use by logging into Your Account online.
You can add a name which will be displayed when you call other extension numbers. You can add this name by logging into the "Your Account" section at the TPG website. The name can be maximum of 20 characters.
This feature is $0 per month for Business VoIP customers.