Voice

GRTI can offer customizable services for your business phone calling needs. We offer calling features to enhance your business.

Business Lines

  • T1 or PRI
  • Traditional 1 FB Lines
  • ​Hosted PBX Lines

Long Distance Service

  • Per minute rates
  • 600 Minute Bundle
  • ​1000 Minute Bundle

Toll free Services

Enhanced Calling Features

  • Voice Mail
  • Caller ID
  • ​Call Waiting
  • ​Per Line Blocking
  • ​Hunting

Toll Fraud Information for your business

Information to help your business learn more about Toll Phone Fraud

Toll Fraud Information for your business