GPRS-AT命令（中文版本的）

目录 用于GPRS的AT命令....................................................................................................................1 1.定义PDP上下文＋CGDCONT.........................................................................................3 2.服务应用质量（请求的）＋CGQREQ...............................................................................4 3.服务应用质量（可接受的最小值）＋CGQMIN................................................................6 4.关联或分离GPRS ＋CGATT..............................................................................................7 5.激活或失效PDP上下文＋CGACT...................................................................................8 6.进入数据状态＋CGDATA..................................................................................................9 7.GPRS移动电台类别＋CGCLASS...................................................................................10 8.为MO SMS消息选择服务＋CGSMS.............................................................................11 9.GPRS事件报告＋CGEREP.............................................................................................11 10.GPRS网络注册状态＋CGREG.....................................................................................12 11.请求GPRS IP服务“D”...................................................................................................13 12.网络请求的PDP上下文激活..........................................................................................14 13.网络请求PDP上下文激活的自动响应＋CGAUTO....................................................14 14.网络请求PDP上下文激活的人工响应＋CGANS.......................................................15 15.显示PDP地址+CGPADDR............................................................................................17 16.蜂窝结果代码+CRC........................................................................................................17 17.服务报告控制＋CR........................................................................................................18 18.扩充的错误报告＋CEER................................................................................................18 19.PDP计数器信息＋CGCOUNTERS...............................................................................19 20.GPRS相关的错误＋CME ERROR：................................................................19 20.1 执行连接失败的相关错误............................................................................19 20.2 激活上下文失败的相关错误................................................................................20 20.3 其它GPRS错误....................................................................................................20 21.+CEER表示的具体GPRS失败原因..............................................................................20 22.完整的AT命令举例.........................................................................................................20 22.1 一个IP PDP上下文的激活..................................................................................20 22.2 网络请求................................................................................................................21