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As BT no longer has a monopoly of internal wiring, they make a substantial charge if a fault reported to them is found to be in the customer's internal/domestic wiring. It is therefore important for the customer to have the facility to check whether a fault is in their internal wiring/equipment or externally in BT's cabling or systems.
Mantis Bug Tracker is a free and open source, web-based bug tracking system.The most common use of MantisBT is to track software defects.However, MantisBT is often configured by users to serve as a more generic issue tracking system and project management tool.
The Customer Service System (CSS) of the BT Group (previously British Telecommunications) is the core operational support system for BT, bringing in 70% of income for the company (figures from 1997). BT rolled out CSS nationally in 1989 and provided an integrated system for telephony—order handling, repair handling and billing.
Fault mimics to present to the exchange's test equipment. An analogue modem to receive data calls for remote diagnostics. A battery backed real-time clock and memory to store the time and type of fault events like bit errors. A 25-pin RS232 connector for local access to the SMAC card's diagnostic logs.
The software tool SnoopSnitch can warn when certain SS7 attacks occur against a phone, [20] and detect IMSI-catchers that allow call interception and other activities. [ 21 ] [ 22 ] In February 2016, 30% of the network of the largest mobile operator in Norway, Telenor , became unstable due to "unusual SS7 signaling from another European operator".
The Answer 1571 service, a cut-down version of BT Group's Call Minder service, allows a calling party to leave messages when the called party is engaged or does not answer within a fixed number of rings. The system allows for the storage of up to 20 messages, each of which can be up to 2 minutes long, for up to 60 days (or 20 days once they ...
Originally a network of fixed-line analog telephone systems, the PSTN is now predominantly digital in its core network and includes terrestrial cellular, satellite, and landline systems. These interconnected networks enable global communication, allowing calls to be made to and from nearly any telephone worldwide. [1]
However, in July 2007, Sir Christopher Bland, chairman of BT, stated that BT was considering fibre to the kerb and that VDSL2 was a 'likely development going forward'. [3] In October 2007, Ofcom launched a consultation into Next Generation Access Networks in the UK after pressure from the government.