●Network managers have long awaited practical voice-overIP(VOIP)solutions.VOIP promises(71)network management and decreases costs by(72)a company's telephony and data infrastructures into one network.And a VOIP solution implemented at a company's head-quarters with far-reaching branch offices can(73)tremendous amounts of(74)in long distance phone bills，provided that solution delivers POTS-like voice(75)over the Internet.(71)A.complicated B.useful C.ease D.orderly(72)A.converging B.dividing C.combine D.bringing(73)A.get B.put C.save D.waste(74)A.cash B.money C.space D.time(75)A.qualtity B.quality C.volune D.speed
●Network managers have long awaited practical voice-overIP(VOIP)solutions.VOIP promises(71)network management and decreases costs by(72)a company's telephony and data infrastructures into one network.And a VOIP solution implemented at a company's head-quarters with far-reaching branch offices can(73)tremendous amounts of(74)in long distance phone bills，provided that solution delivers POTS-like voice(75)over the Internet.
(71)A.complicated B.useful C.ease D.orderly
(72)A.converging B.dividing C.combine D.bringing
(73)A.get B.put C.save D.waste
(74)A.cash B.money C.space D.time
(75)A.qualtity B.quality C.volune D.speed
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