How many digits are being delivered? If it is 4, then you need to have an extension, or something, with that 4 digit number. Do the other existing DID’s have matching extensions? You may need to check the trunk service assignment. At the maint screen type loc num xxxx, xxxx being your delivered DID number, there may be a conflict.

JimmyV

"Well informed people know it is impossible to transmit the voice over wires. Even if it were, it would be of no practical value" Boston Post, 1865