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OC No. is an account number that comes in the form of either:
• DID Number (Direct Inward Dialing Number): which can be reached from public switched telephone networks
(PSTN) by one-step dialing; or
• Non-DID Number (an extension telephone number in a private telephone system): which can be reached from
PSTN by two-step dialing.
The One-Connection system shall verify OC No. and the secret personal identification number (PIN) of the users when they sign-in to use One-Connection Unified Roaming Services.
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| This is the screen you will see when you sign in OC Client to use our services by an OC DID number. |
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