DDI Number definition
DDI Number means a Direct-Dial-Number in the Numbering Scheme allocated to a customer for DID on an ISDN PABX;
DDI Number means a single number having the form of “abcdxxxx”, “abcdexxx” or “abcdefxx” (known as 4+4, 5+3 and 6+2 DDI respectively) where the digits x are not used for routing in the public network. To avoid any doubts a DDI number is allocated to a single customer but represents a block of 10,000, 1,000 or 100 numbers.
Examples of DDI Number in a sentence
INITIATING A SUPPORT CALL The contact point for logging a support call is: ▇▇▇▇▇▇▇@▇▇▇▇▇▇▇▇▇▇▇.▇▇▇ ESCALATION PROCEDURE Escalation Contact Numbers (during Business Hours): 1st Level: ▇▇▇▇ ▇▇▇▇▇▇▇ Technical Director DDI Number +▇▇ ▇▇▇▇ ▇▇▇ ▇▇▇ Mobile +▇▇ ▇▇▇▇ ▇▇▇ ▇▇▇ Account Management ▇▇▇▇▇ ▇▇▇▇▇▇▇, Managing Director DDI Number +▇▇ ▇▇▇▇ ▇▇▇ ▇▇▇ Mobile Number +▇▇ ▇▇▇▇ ▇▇▇ ▇▇▇ Appendix A – Supported Application Below is the list of websites that are included for support under this contract.