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A caller's telephone number and line type are captured by ANI service even if caller ID blocking is activated. The destination telephone company switching office can relay the originating telephone number to ANI delivery services subscribers. Toll-free subscribers and large companies normally have access to ANI, either instantly via installed ...
They are intended for use by phone company technicians, the ANAC system bypasses customer features, such as unlisted numbers, caller ID blocking, and outgoing call blocking. Installers of multi-line business services where outgoing calls from all lines display the company's main number on call display can use ANAC to identify a specific line in ...
The specifications define several test features for line conditions, such as quiet line and busy line, and test tones transmitted to callers. The tests available for plant testing include Automatic number announcement circuit, a machine which announces the caller's number [2] Loop around, a primitive conference call bridge [3]
Caller-ID system response sounds in various cases: analog, ISDN and digital PBX Caller identification (Caller ID) is a telephone service, available in analog and digital telephone systems, including voice over IP (VoIP), that transmits a caller's telephone number to the called party's telephone equipment when the call is being set up.
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In the US, caller ID name information is not transmitted from the originating office to the destination office. It is the terminating carrier that is responsible for providing the caller ID information to its customers. The carrier performs a database lookup using the caller's telephone number to obtain the name information for the caller ID ...
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Caller ID (per call) *31#/1832 [11] 1470 *83 1183 Selective call forwarding disable *85 1185 Caller ID disable *86 1186 Continuous redial cancel *87 1187 Anonymous call rejection deactivation *88 1188 Deactivate call forwarding on busy *89 1189 Last-call return cancel *90 1190 Conditional forward: Busy line *92 1192 Conditional forward: No ...