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GPRS 业务是对现有GSM 网络业务的补充,它引进了数据传输业务,使用户可在移动环境里“永远”在线。终端用户可以始终在线,接收电子邮件和享受其他服务,而只为收到的信息进行付费,其余的在线时间则免费。通过增加新的数据业务节点和升级现有节点,就可在移动终端和外部网络之间提供 GPRS 业务。开发 GSM网的 GPRS 功能,可使运营商在节省资源的前提下让用户接入基于 IP 的外部网络。数据交换服务
The GPRS service complements the existing GSM network services by introducing a data transmission service that allows users to be “always” online in a mobile environment. End users can always be online, receive e-mail and enjoy other services, and only pay for the information they receive, while the rest of online time is free. By adding new data service nodes and upgrading existing nodes, GPRS services can be provided between the mobile terminal and the external network. The development of GSM network GPRS function, allowing operators to save resources on the premise of allowing users to access IP-based external network. Data exchange service