实用于SIP、H323等协议软电话、单口网关、网络电话计费，支持市话单独计费。-applied to SIP, H323, and other agreements soft phone, the single gateway, VoIP billing, to support the then separate billing.

一个电话计费程序，能够计算跨日通话费用的计算，并可以为一天设置三个时间段，他们的计时费用可异-A telephone billing program, is able to calculate the cost of跨日call basis, and can be set to three time a day, their cost may be different time