TG Series User Guide
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5. Click Save and Apply Changes.
When the PBX user tries to call the number 15880270666 through TG gateway, the call will fail.
Callback
Callback feature allows callers to hang up and get called back to TG gateway. Callback feature could
reduce the cost for the users who work out of the office using their own mobile phones.
Set up Callback for Specific Numbers
Callback feature is disabled on the TG gateway by default. The system only calls back the permitted
numbers.
Procedure
1. Navigate to Gateway > Routes Settings > Callback Settings.
2. Click Add Callback Number.
3. Enter the desired number.
4. Click Save and Apply Changes.
5. Enable Callback on Mobile to IP route or IP to Mobile route.