Call Forwarding Setup Guide
How to set up and manage Call Forwarding on your GRTI home phone service using simple dial codes
What Is Call Forwarding?
Call Forwarding lets you send incoming calls from your home phone to another phone number. This can be helpful if you’re away from home but still want to receive calls.
Call Forwarding is available as an optional feature or as part of a calling feature bundle
Before You Start
- You will need a working forwarding phone number.
- Always include 1 + area code when entering the forwarding number.
- These features are set up directly from your phone using dial codes.
Option 1
Forward All Calls
Send all incoming calls to another number.
Activate:
*72
then enter the forwarding number
Deactivate:
*73
Option 2
Forward Calls When Busy
Forwards calls only if your line is already in use.
Activate:
*90
then enter the forwarding number
Option 3
Forward Calls When No Answer
Forwards calls if you do not answer.
Tips for Using Call Forwarding
- Double-check the forwarding number before activating.
- Use a mobile number if you want to receive calls on the go.
- Test the feature after setup to confirm it works.
- Turn off forwarding when you return home if not needed.
Good to Know
- Call Forwarding requires a working secondary phone number.
- Long-distance charges may apply depending on the forwarding number.
- Features can be added individually or in bundles.
- Setup is done directly from your handset — no app is required.
Need Help?
If you need help setting up or managing Call Forwarding, our team is here to assist.