Midwest SIP users with iNUM capability may call these test numbers for $0 cost anytime.

883510000000091 = iNUM echo test

883510000000092 = iNUM DTMF test

883510000000093 = iNUM caller id test

If you cannot successfully reach these test termination numbers, please open a ticket here.

You may also call the Midwest SIP voice IVR at 883510009011001. 

If you want to learn more about iNUM please visit here: http://www.iNUM.net/