H - Electricity – 04 – Q
Patent
H - Electricity
04
Q
H04Q 1/20 (2006.01) H04B 3/46 (2006.01) H04M 3/26 (2006.01) H04M 3/30 (2006.01)
Patent
CA 2256576
A method of testing a telecommunications link between a subscriber unit (20) and an exchange (30) is disclosed. The method includes the steps of causing (6) a subscriber unit (20) to emit (70-72) a predetermined signal, which is thentransmitted along the link (26) to the exchange (30). The received signal (8) isanalysed (12) and a determination is made (10) regarding the quality of the telecommunications link (26) based on the received signal. More specifically, anassessment of an operational quality of the telecommunications link at relatively high broadband frequencies is based on the signal received at the exchange (30) when the predetermined test signal is one of a DTMF test signal transmitted within a relatively low audio frequency range and an accurately generated signal generated from a dongle (60) placed in-line between the subscriber unit (20) and the telecommunications link (26). In relation to the accurately generated signal generated from the dongle (60), it is preferable that the test signal has frequencies relatively close to and most preferably within afrequency band of a proposed broadband service.
Dyer Michael Philip
Dyke Peter John
Grant Mike Francis
Williamson Roger James
Nortel Networks Limited
Northern Telecom Limited
Smart & Biggar
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