ITC-2300 VoIP Lab Extensions and Numbers

From ITCwiki

Phone Extension Information

Your extension numbers are based on your Pod number. Replace the X with your Pod number.

Extension Range First DID Number Voicemail Access Extension
2x00-2x99 5105552x00 2x99

So, for example if you are Pod 3 your extension numbers are 2300-2399, your first DID number is 5105552300 and your voicemail access extension is 2399.

PSTN Simulator Numbers

Eventually there will be a list of sample PSTN numbers you can test below.