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IP-PBXïŒInternet Protocol Private Branch ExchangeïŒã¯ãã€ã³ã¿ãŒããããããã³ã«ãå©çšããç§èšäº€ææ©ã®ããšãæããŸãã
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IP-PBXã®ã·ã¹ãã ã¯ãäŒæ¥ã®å éšéä¿¡ã ãã§ãªããå€éšãšã®éä¿¡ã«ã察å¿ããŠããŸããã€ãŸãã瀟å ã®ãã¹ã¯éã§ã®é»è©±ããäžçäžã®ã©ãããã§ãã€ã³ã¿ãŒãããã«æ¥ç¶ã§ããå Žæãšã®é話ãå¯èœã§ããããã«ãããäŒæ¥ã¯å°ççãªå¶çŽãè¶ ããŠåæ»ãªã³ãã¥ãã±ãŒã·ã§ã³ãå®çŸã§ããŸãã
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IP-PBXã®åºç€ç¥è
1.1 IP-PBXã®æ©èœ
IP-PBXã®äž»ãªæ©èœã¯ãå éšéä¿¡ïŒå ç·é»è©±ïŒãšå€éšéä¿¡ïŒäžè¬é»è©±ç¶²ãžã®æ¥ç¶ïŒã®äž¡æ¹ãè¡ãããšãã§ããç¹ã§ãã
ã€ãŸããåäžã®ã·ã¹ãã å ã§ç€Ÿå ã®ä»ã®éšçœ²ãæ ç¹ãšã®é話ã ãã§ãªããå€éšã®é¡§å®¢ãããŒãããŒãšã®é話ãå¯èœã§ãã
ãã®ä»ã®æ©èœãšããŠã¯ãé³å£°ã¡ãŒã«ãèªåå¿çïŒIVRïŒãã³ãŒã«ãã¥ãŒãã³ãŒã«è»¢éãã«ã³ãã¡ã¬ã³ã¹ã³ãŒã«ãªã©ã®æ©èœããããŸãããããã®æ©èœã¯å šãŠãäŒæ¥ãå¿ èŠã«å¿ããŠèªç±ã«èšå®ãã管çããããšãå¯èœã§ãã
ããã«ãããäŒæ¥ã¯èªç€Ÿã®éçšç°å¢ãããžãã¹ããŒãºã«åãããŠã·ã¹ãã ãæé©åããããšãã§ããŸãã
1.2 IP-PBXã®æŽå²ãšçºå±
IP-PBXã®æè¡ã¯ãã€ã³ã¿ãŒãããã®ç»å Žãšå
±ã«çãŸãããã®åŸãã€ã³ã¿ãŒãããæè¡ã®çºå±ãšå
±ã«é²åãç¶ããŠããŸãããåæã®IP-PBXã¯ãæè¡çãªå¶çŽãé«ãã³ã¹ããªã©ã®åé¡ã«çŽé¢ããŠããŸããããæè¡ã®é²æ©ã«ããããã®åé¡ã¯åŸã
ã«è§£æ¶ãããŠããŸããã
ä»æ¥ã§ã¯ãIP-PBXã¯éåžžã«æçããæè¡ã§ãããå€ãã®äŒæ¥ããã®ã·ã¹ãã ã掻çšããŠããŸããããã¯ãIP-PBXãã³ã¹ãåæžãã³ãã¥ãã±ãŒã·ã§ã³ã®å¹çæ§ã®åäžãå°ççãªå¶çŽããã®è§£æŸãšãã£ããåŸæ¥ã®é»è©±ã·ã¹ãã ã§ã¯åŸãããªãã£ãå©ç¹ãæäŸããŠããããã§ãã
IP-PBXã®ã¡ãªãããšãã¡ãªãã
IP-PBXã®æè¡ã¯ãã€ã³ã¿ãŒãããã®ç»å Žãšå ±ã«çãŸãããã®åŸãã€ã³ã¿ãŒãããæè¡ã®çºå±ãšå ±ã«é²åãç¶ããŠããŸãããåæã®IP-PBXã¯ãæè¡çãªå¶çŽãé«ãã³ã¹ããªã©ã®åé¡ã«çŽé¢ããŠããŸããããæè¡ã®é²æ©ã«ããããã®åé¡ã¯åŸã ã«è§£æ¶ãããŠããŸããã
ä»æ¥ã§ã¯ãIP-PBXã¯éåžžã«æçããæè¡ã§ãããå€ãã®äŒæ¥ããã®ã·ã¹ãã ã掻çšããŠããŸããããã¯ãIP-PBXãã³ã¹ãåæžãã³ãã¥ãã±ãŒã·ã§ã³ã®å¹çæ§ã®åäžãå°ççãªå¶çŽããã®è§£æŸãšãã£ããåŸæ¥ã®é»è©±ã·ã¹ãã ã§ã¯åŸãããªãã£ãå©ç¹ãæäŸããŠããããã§ãã
2.1 IP-PBXã®ã¡ãªãã
IP-PBXã«ã¯ãå€ãã®ã¡ãªããããããŸãã
ãŸã第äžã«ãæãé
åçãªç¹ã¯ã³ã¹ãåæžã®å¯èœæ§ã§ããIP-PBXã¯ã€ã³ã¿ãŒããããå©çšããŠé話ãè¡ããããäŒçµ±çãªé»è©±ã·ã¹ãã ãšæ¯èŒããŠãé話æã倧å¹
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ç·é話ã¯åºæ¬çã«ç¡æã§ãããæµ·å€ã®æ ç¹ããã¬ã¯ãŒã¯ãªã©ãå Žæãåããã«äœã³ã¹ãã§é話ãå¯èœã§ãã
次ã«ãIP-PBXã®æè»æ§ã倧ããªå©ç¹ãšãªããŸããåã ã®ãŠãŒã¶ãŒãèªèº«ã§èšå®ã管çãè¡ãããšãã§ããããã«ããéä¿¡ç°å¢ãèªç€Ÿã®ããžãã¹ããŒãºã«åãããŠæé©åããããšãå¯èœã§ãããŸããæ°ããæ ç¹ãè¿œå ããéããæ°ãã«é»è©±åç·ãåŒãå¿ èŠããªããã€ã³ã¿ãŒãããç°å¢ãããã°å®¹æã«è¿œå ããããšãã§ããŸãã
ããã«ãIP-PBXã¯åŸæ¥ã®é»è©±ã·ã¹ãã ã«æ¯ã¹ãŠæ©èœæ§ãé«ããšããç¹åŸŽããããŸããã³ãŒã«è»¢éãã«ã³ãã¡ã¬ã³ã¹ã³ãŒã«ãèªåå¿çïŒIVRïŒãªã©ã®é«åºŠãªéä¿¡æ©èœãåããŠãããããäŒæ¥ã®ããžãã¹å¹çãå€§å¹ ã«åäžãããããšãå¯èœã§ãã
2.2 IP-PBXã®ãã¡ãªãã
äžæ¹ã§ãIP-PBXã«ã¯ããã€ãã®ãã¡ãªãããååšããŸãã
ãã®äžã€ã¯ãã€ã³ã¿ãŒãããæ¥ç¶ãå¿
é ã§ããããšã§ããã€ã³ã¿ãŒãããç°å¢ãäžå®å®ãªå Žæã§ã¯ãé話å質ã«åœ±é¿ãåºãå¯èœæ§ããããŸãããŸãã倧èŠæš¡ãªéä¿¡ãè¡ãå Žåãååãªåž¯åå¹
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ããã«ãIP-PBXã·ã¹ãã ã®å°å ¥ãšç®¡çã¯ãå°éçãªç¥èãå¿ èŠãšãªããŸããå°å ¥ã«éããŠã¯ãã·ã¹ãã ã®èšèšãèšå®ãè¡ãå¿ èŠããããŸãããéçšäžãåé¡ãçºçããéã®å¯Ÿå¿ãã·ã¹ãã ã®æŽæ°ãªã©ãå®æçãªç®¡çãæ±ããããŸãã
æåŸã«ãã»ãã¥ãªãã£ã«é¢ããŠã泚æãå¿ èŠã§ããIP-PBXã¯ã€ã³ã¿ãŒããããå©çšããŠéä¿¡ãè¡ãããããµã€ããŒæ»æã®ãªã¹ã¯ãååšããŸãããã®ãããé©åãªã»ãã¥ãªãã£å¯Ÿçãè¬ããããšãéèŠãšãªããŸãã
IP-PBXã®èšçœ®ãšç®¡ç
3.1 IP-PBXã®èšçœ®æ¹æ³
IP-PBXã®èšçœ®ã¯ãããã€ãã®ã¹ããããçµãŠè¡ãããŸãããŸãåãã«ãäŒæ¥ã®éä¿¡ããŒãºãæ確ã«ããã©ã®ãããªæ©èœãå¿ èŠããæŽãåºãããšãéèŠã§ãããã®ã¹ãããã§ã¯ãäŒç€Ÿã®èŠæš¡ãæ ç¹ã®æ°ãå¿ èŠãªé»è©±åç·ã®æ°ãªã©ãèæ ®ã«å ¥ããå¿ èŠããããŸãã
次ã«ãéžæããIP-PBXã®èšå®ãè¡ããŸããããã«ã¯ãã€ã³ã¿ãŒãããæ¥ç¶ã®èšå®ãå ç·çªå·ã®å²ãåœãŠãå¿ èŠã«å¿ããæ©èœã®èšå®ïŒäŸãã°ãèªåå¿çãé³å£°ã¡ãŒã«ãªã©ïŒãªã©ãå«ãŸããŸãããã®èšå®äœæ¥ã¯å°éçãªç¥èãå¿ èŠãªå ŽåããããŸããããã³ããŒããµããŒããæäŸããŠããå ŽåããããŸãã
æåŸã«ãèšå®ãå®äºãããã·ã¹ãã ã®ãã¹ããè¡ããŸããããã«ãããå šãŠã®æ©èœãæ£åžžã«åäœããããšãåã³é話å質ãé©åã§ããããšã確èªããŸãã
3.2 IP-PBXã®ç®¡çãšã¡ã³ããã³ã¹
IP-PBXã®ç®¡çãšã¡ã³ããã³ã¹ã¯ãã·ã¹ãã ãåæ»ã«éçšãããããã«å¿ èŠãªäœæ¥ã§ããããã«ã¯ãã·ã¹ãã ã®ã¢ããããŒããåé¡ã®ãã©ãã«ã·ã¥ãŒãã£ã³ã°ãæ°ãããŠãŒã¶ãŒã®è¿œå ãæ¢åãŠãŒã¶ãŒã®èšå®å€æŽãªã©ãå«ãŸããŸãã
ç¹ã«ãIP-PBXã¯ã€ã³ã¿ãŒãããã䜿çšããŠãããããã»ãã¥ãªãã£ã®ç¢ºä¿ã¯éèŠãªèª²é¡ãšãªããŸããããã«ã¯ãå®æçãªã·ã¹ãã ã®ã¢ããããŒãããã¡ã€ã¢ãŠã©ãŒã«ã®èšå®ãäžæ£ã¢ã¯ã»ã¹ã®ç£èŠãªã©ãå¿ èŠã§ãã
ãããã®äœæ¥ã¯ãå°éçãªç¥èãå¿ èŠãšããå ŽåããããŸãããå€éšã®å°éæ¥è ã«å§èšããããšãå¯èœã§ãããŸããäžéšã®IP-PBXã®ãã³ããŒã¯ãã·ã¹ãã ã®ç®¡çãšã¡ã³ããã³ã¹ãå«ãã ãµãŒãã¹ãæäŸããŠããŸãã
IP-PBXãšä»ã®é»è©±ã·ã¹ãã ã®æ¯èŒ
4.1 PBXãšIP-PBX
äŒçµ±çãªPBXïŒPrivate Branch ExchangeïŒãšIP-PBXã¯ãåºæ¬çãªæ©èœæ§ã«ãããŠã¯äŒŒãŠããŸããããã®éçšæ¹æ³ãæ¥ç¶æ¹æ³ã«ã¯å€§ããªéãããããŸãã
PBXã¯ãäŒæ¥å ã®é»è©±ç¶²ãäžå 管çããã·ã¹ãã ã§ãåºå®ã®é»è©±åç·ïŒPSTNïŒPublic Switched Telephone NetworkïŒã䜿çšããŠããŸããããã«å¯ŸããŠãIP-PBXã¯ããŒã¿ãããã¯ãŒã¯ïŒIPãããã¯ãŒã¯ïŒã䜿çšããé³å£°ãããŒã¿ãã±ãããšããŠéåä¿¡ããŸãã
ãã®éãã«ãããIP-PBXã¯å°ççãªå¶çŽãå°ãªãããŸãé話æãå€§å¹ ã«åæžããããšããã¡ãªããããããŸããäžæ¹ã§ãPBXã¯é話å質ãå®å®æ§ãè©äŸ¡ãããŠããŸãã
4.2 VoIPãšIP-PBX
VoIPïŒVoice over Internet ProtocolïŒãšIP-PBXã¯ãããããã€ã³ã¿ãŒããããéããŠé³å£°ãéåä¿¡ãããã¯ãããžãŒã§ããããããVoIPã¯åã«ã€ã³ã¿ãŒãããäžã§é³å£°éä¿¡ãå¯èœã«ããæè¡ãæãã®ã«å¯ŸããŠãIP-PBXã¯äŒæ¥å ã®é»è©±ã·ã¹ãã å šäœã管çããã·ã¹ãã ãæããŸãã
ãããã£ãŠãIP-PBXã¯VoIPã®æè¡ãããŒã¹ã«ãã€ã€ããå ç·é話ã転éãèªåå¿çïŒIVRïŒãé³å£°ã¡ãŒã«ãšãã£ããäŒæ¥ã®ããžãã¹ããŒãºãæºããããã®é«åºŠãªæ©èœãæäŸããŸãã
4.3 IP-PBXãšã¯ã©ãŠãPBX
IP-PBXãšã¯ã©ãŠãPBXã®éãã¯ãäž»ã«ã·ã¹ãã ã®ç®¡çãšéçšãã©ãã§è¡ããããã«ãããŸãã
IP-PBXã¯äŒæ¥å
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5.1 IP-PBXã®ããžãã¹ãžã®åœ±é¿
IP-PBXã®å°å ¥ã¯ãããžãã¹éä¿¡ã«å€å€§ãªåœ±é¿ãäžããŸããIP-PBXã®ç¹åŸŽã§ããæè»æ§ãšæ¡åŒµæ§ã¯ãäŒæ¥ã®ã³ãã¥ãã±ãŒã·ã§ã³ã®å¹çåãšçµæžæ§ã®åäžã«ã€ãªãããŸãã
ç¹ã«ãåºç¯ãªå°ççååžãæã€äŒæ¥ãå€æ ç¹ãæã€äŒæ¥ã§ã¯ãéä¿¡ã³ã¹ããå€§å¹ ã«åæžã§ããŸããããã«ãIP-PBXãå©çšããããšã§ãé³å£°éä¿¡ã ãã§ãªããããªéä¿¡ãå³æã¡ãã»ãŒãžãããŒã¿å ±æãªã©ãå€æ§ãªã³ãã¥ãã±ãŒã·ã§ã³æ段ãçµ±åçã«å©çšããããšãå¯èœãšãªãããŠãŒã¶ãŒã®çç£æ§ãåäžãããŸãã
5.2 IP-PBXãšãªã¢ãŒãã¯ãŒã¯
ãªã¢ãŒãã¯ãŒã¯ã®æ®åã«äŒŽããIP-PBXã®äŸ¡å€ã¯ããã«å¢ããŠããŸãã
ç©ççãªæ ç¹ã«å¶çŽãããã«åããªã¢ãŒãã¯ãŒã«ãŒãã¡ããèªå®
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ç·é»è©±ãå©çšã§ããããã«ãªããŸããããã¯ãIP-PBXãIPãããã¯ãŒã¯ãéããŠé³å£°éä¿¡ãè¡ãããã§ãã
ãŸããIP-PBXã¯ã³ãŒã«è»¢éãèªåå¿çãé³å£°ã¡ãŒã«ãšãã£ãæ©èœãæäŸããããããªã¢ãŒãã¯ãŒã¯ã®å¹çåã«å€§ããè²¢ç®ããŸããåŸã£ãŠããªã¢ãŒãã¯ãŒã¯ãæ¯ããéä¿¡ã€ã³ãã©ãšããŠãIP-PBXã¯æ¥µããŠéèŠãªåœ¹å²ãæãããŸãã
5.3 IP-PBXã®äºäŸçŽ¹ä»
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¥äºäŸãäžã€çŽ¹ä»ããŸãã
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IP-PBXãéžæããéã®ãã€ã³ã
6.1 IP-PBXãéžæããçç±
IP-PBXãéžæããäž»ãªçç±ã¯ãã³ã¹ãåæžãã³ãã¥ãã±ãŒã·ã§ã³ã®å¹çåãæ¡åŒµæ§ã®é«ãã«ãããŸãã
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6.2 IP-PBXéžå®ã®ããã®ãã§ãã¯ãªã¹ã
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