Seven Castles

Centrex- -

                                      

Number dialing instructions for Centrex users:

 

1. Internal communications: directly dial a 4-digit number (*)
2. External communications: dial "0", followed by the number to be dialed
3.Incoming calls: an external caller should dial an 8-digit number to originate an incoming call
* A 4-digit number for internal communications is the number consisting of the last 4 digits of an 8-digit number.

 

- 作者： zhangliping 访问统计：　2005年02月18日, 星期五 21:23 加入博采