Hi, I have one question. I wanted to call local service number to pay my bill with IP phone. After getting through the call, i input the account number, but it doesn't be recognized by peer's IVR system. This issue happens occasionally. Anyone knows
1/ how to confirm the IP phone send out the correct number?
2/ how to confirm the voice gateway receive and send out the correct number?
3/ Another ideas?
CUCM 6.1 IP phone 7961.