ocr: IELEPHONETO-PO BORNECTION MODEL Ptelephony sateway elephone SRROSTATRONT nenete PSTN FUEWOTR intemet fTNGuOS FUBECIFOD comecton Telephone PC Souce:Dalogie Figure L.IP telephony gateways make if possible for anyore on aPCora radittonal phone to use the Internet 10 place voice calls, The gateways digitize PoIte signals, compress them, and packetize frem for mansmission over IP:
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