什麽是DID–直接撥入?
DID–直接撥入(在歐洲叫DDI)是由電信公司爲其客戶的PBX系統所提供的一種功能,在此系統上,電信公司爲一條或多條電話線分配多個電話號碼。
其目的是使客戶能爲每位員工分配一個電話號碼,但又不需要爲每位元員工另外鋪設一條電話線。通過這種方法,可以輕鬆地分流和管理電話流量。

使用DID,您需要購買一個ISDN或數位化線路,再要求電信公司分配一些電話號碼。在您的辦公場所處需要具有DID功能的設備,其中包括BRI、E1 或T1卡或閘道。
DID–直接撥入(在歐洲叫DDI)是由電信公司爲其客戶的PBX系統所提供的一種功能,在此系統上,電信公司爲一條或多條電話線分配多個電話號碼。
其目的是使客戶能爲每位員工分配一個電話號碼,但又不需要爲每位元員工另外鋪設一條電話線。通過這種方法,可以輕鬆地分流和管理電話流量。

使用DID,您需要購買一個ISDN或數位化線路,再要求電信公司分配一些電話號碼。在您的辦公場所處需要具有DID功能的設備,其中包括BRI、E1 或T1卡或閘道。
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