IP telephone services of the Japan Telecom Co..
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Accession number;03A0801879
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| Title;IP telephone services of the Japan Telecom Co.. |
| Author;
ICHIKURA SHIGEKI
(Nihonterekomu Konshumajigyobu Purodakutokaihatsumanejimentobu)
KUWAHARA TOMOHIRO
(Japan Telecom Co., Ltd.)
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Journal Title;Denki Tsushin
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Journal Code:S0054A
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ISSN:0911-7601
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VOL.66;NO.683;PAGE.17-20(2003)
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| Figure&Table&Reference;FIG.3 |
| Pub. Country;Japan |
| Language;Japanese |
| Abstract;As IP telephone service which made SIP base, in the Japan telecom Co., offered "the ODN IP phone" for the individual started from 2003 March 24th,and for business, "IP-One IP phone"started from 2003 July 7th,and "IP-One IP Centrex" started from 2003 Sept.18th.This paper was those introductions simply.IP telephone transmits on the internet as well as the data of soundswithout occupying the line under call like the fixation telephone by digitizing voice.For ODN users,the ODN IP phone connects usual telephone as it is by offering IP telephone automatic adapter of the IP telephone correspondence ADSL modem and it is possible to call fixation telephone.IP-One phone and IP Centrex are able to connect public telenetwork by VoIP correspondence router.In this paper, the following were simply explained : Service outline, features of the service, maintenance service, service requirement. |
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