DEFINITIONS

DID Direct Inward Dialing also known as DDI in Europe and sometimes referred to as a virtual number is a local telephone number in a selected country or city.

Geographical Number is a local number, belonging to a particular area/city of a country.

National Number (nomadic number) is not restricted to a particular city/area within a country.

Mobile Number is a number from mobile numbering plan which differs by country.

Toll-Free Number (Freephone/Free call /800 number) allows callers to reach businesses and/or individuals without being charged for the call.

Shared Cost Number is a number which enables sharing call costs between the caller and the number owner.

Metered Number is a DID number charged per minute.

Capacity (voice channels) defines the maximum number of simultaneous inbound calls per DID.

Trunk (mapping / call forwarding) defines the connection between DID and call destination.

CLI (Calling Line Identification / Caller ID) is a feature that identifies and displays the telephone numbers of incoming calls made to a particular line.

SLA (Service Level Agreement ) is a contract between DIDWW and the customer, which stipulates and commits DIDWW to a certain level of service.

PSTN (Public Switched Telephone Network) refers to a phone line (fixed or mobile phone).

SAP (Services Ageing Pool) refers to DID numbers which are expired/removed and no longer active, but can be restored to customer’s account.

NRC (Non-Recurring Cost ) refers to one-time setup fee applied for service activation.

MRC (Monthly Recurring Cost) refers to an ongoing monthly fee applied for service renewal.

MMC (Minimum Monthly Commitment) refers to the amount which needs to be deposited every month to have particular pricing.

API is Application Programming Interface for a custom integration. An API expresses a software component in terms of its operations, inputs, outputs, and underlying types.

SMS is a Short Message Service.

FAX is the telephonic transmission of scanned-in printed material (text or images), usually to a telephone number associated with a printer or other output device.

LNP means local number portability.

Payment is a transaction made by Credit Card, Wire Transfer or PayPal.

Order is a purchase or renewal of any service.

Prepaid balance is a certain amount of money on customer’s account.

Threshold amount identifies a certain amount of money in prepaid balance which triggers automatic refill.

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