A telephone service provider takes over the collection and billing of services which they do not own or lease. Landlines: Where the service provider does not own or maintain the connection to the premises, rebill items are typically phone line rental and local call costs. Billable items, where the service may be typically owned or leased are: STD calls (long distance calls, NDD calls), Calls to Mobiles, and International Calls. Mobiles: Where the service provider is not a mobile carrier, rebill items are all charges which are not usage charges.

STD call (also called NDD - National Direct Dialled), which is not an intercapital call. Regional call rates and intercapital call rates have been phased out of common use, in favour of a single rate for any STD call.

One-way satellite broadband download link with an ISDN2 landline upload link. Capacities of upload speeds are being superseded by use of two-way satellite broadband.

Former government program aimed at providing greater access to affordable mobile telecommunications in areas without terrestrial services. Begun in 2001, ended 2004 or earlier.

Telephone user who is not a business customer.

A residential premises typically has only two phone lines installed. More phone lines may be installed at the cost of the customer.

Wireless communication technology using the radio band of the EMS (Electromagnetic Spectrum).

Sound alert to signal an incoming alert or message. See also Monophonic Ringtones and Polyphonic Ringtones. Not to be confused with a Ringing Tone, above.

Roaming refers to the ability of a wireless user to move freely, or "roam", within a building, campus or large complex while maintaining an unbroken wireless connection to the wireless local are network (WLAN). This is achieved by using a number of strategically positioned access points. As a user moves beyond the range of one access point, they are automatically handed over to the next one.

The agreement between two wireless carriers. The agreement defines roaming service capabilities and the charging structure for roaming service.

Device which directs data packet transfers along its available network paths. It examines the destination of a data packet and determines the most appropriate network point to which a data packet should be sent next. Determination of the best routing path is aided by network information received and stored by the router. A router may be a hardware or software (less common) device.

Recorded voice announcement- this is a pre-recorded announcement on the network indicating customers options, for example "telcoinabox regrets the number you have dialled is not contactable" "You cannot make outgoing calls. Please purchase a re-charge card and Dial 555" (Ding Dong) That number is not listed