Direct Inward Dialing (DID) is a service of a Local Exchange Carrier, which provides a block of telephone numbers for calling into IP Telephony System, to receive incoming calls directly.

Direct Outward Dial (DOD) is the service of a Local Exchange Carrier that allows subscribers within IP Telephony System to connect to outside lines directly.


How to Request for DID and DOD services:

A request for DID and DOD services must be requested through a memorandum signed by the department head and send to Corporate Communications Department. Approval of the Department Head, Corporate Communications Department (or designee in the regions) must be obtained.

Telecommunications Services Request Flowchart


Policy Applied for DID and DOD services:

DID and DOD service is provided to establish a connection between different areas and to support KSAU-HS telecommunication needs for business purposes.

Personal calls shall be eliminated.



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