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signalling transfer point stp exist ina strowger exchange b ss7c local
in a single stage network a there is no redundancy b there is redundancy c alternative cross points are available d alternative paths
in a time division space switch the size of the control memory is n and its width a log10m b logem c lognm d log2mwhere n are the outlets
the analog signal needs to be sampled at a minimum sampling rate ofa
one erlang is equal toa 3600 ccs b 36 ccs c 60 ccsd 24 ccsansone erlang is equivalent to 3600
engaged tone is generated in thea telephone instrument of calling subscriberb telephone instrument of called subscriberc exchanged
in a dtmf phone digits are represented bya orthogonal frequenciesb orthogonal phases c orthogonal codes d orthogonal pulsesansdigits
calculate the maximum access time that can be permitted for the data and control memories in a tsi switch with a single input and single output trunk
what are the advantages of hierarchical networks hierarchical networks are able of handling heavy traffic where needed and at similar time use
with reference to telephone traffic explain the terms bhcrbhcr busy hour calling rate is explained as the average number of calls originated through
with reference to telephone traffic explain the terms ccrccr call completion rate is explained as the ratio of the number of successful calls to the
with reference to telephone traffic explain the terms bhcabhca the number of call attempts in the busy hour is termed as busy hour call attempts bhca
with reference to telephone traffic explain the terms gosgos in loss systems the traffic carried through the network is usually lower than the actual
discuss the various enhanced services that can be made available to the subscribers because of stored program controlone of the instant benefits of
explain spc also discuss the different modes of centralized spcin stored program control systems set of instructions or a program to the computer is
a three stage network is realized by using switching matrices of size p x s in stage 1 r x r matrices in stage 2 and s x p matrices in stage 3 using
explain the following design parameterss sc tc c cci euf k tsthe various terms are given belows total number of switching componentsa good design
discuss the advantages of automatic switching systems over manual switching systemautomatic switching systems have some advantages over the manual
discuss the various functions of telephone switching systemstelephone switching systems functions are as followsi attending the system should be
in what way is stored program control superior to hard wired controlthe spc gains superiority over hard wired because of following pointsspchard
explain how presentation layer helps in establishing and processing data in end to end layersthe idea of the presentation layer is to stand for
explain the techniques which are used to gain on the number pairsin rural areas subscribers are usually dispersed this is both unessential and
explain the numbering plan for isdn address structure the numbering plan for isdn is evolved with using the following guidelines1 this is based on
what do you mean by numbering and addressing numbering and addressing in data networks and telephone the end equipments are more frequently single
what are transmission bridges a usual transmission bridge is demonstrated in figure the series capacitance and the shunt inductances of the two