G 系列 AT 指令集详解
第 4 页
4.4.AT+CREADY 查询模块初始化状态 .........................................................................................27
4.5. AT+QNITZ 控制开机是否上报网络时间....................................................................................27
4.6. AT+QLTS 查看最近的同步时间 ..................................................................................................28
4.7. AT+CALIB 查看模块是否校准...................................................................................................29
4.7. AT+SCLK 控制模块是否启用休眠方案...................................................................................29
5. SIM 卡相关命令......................................................................................................................................30
5.1. AT+CIMI 请求国际移动台设备标识(IMSI)........................................................................30
5.2. AT+CLCK 设备锁定 ..................................................................................................................31
5.3. AT+CPIN 输入 PIN ...................................................................................................................32
5.4. AT+CPWD 设备锁定 .................................................................................................................33
5.5. AT+CRSM SIM 卡接入限制.................................................................................................34
5.6.AT^CPINC 访问 SIM 卡总次数 ...................................................................................................35
5.7.AT+CPIN2 SIM 卡的 PIN2 码身份验证....................................................................................35
5.8.AT+SCID SIM 卡的唯一识别码 ................................................................................................36
6. 网络服务命令..........................................................................................................................................37
6.1. AT+COPS 选择营运商...............................................................................................................37
6.2. AT+CREG 网络注册信息 ..........................................................................................................38
6.3. AT+CSQ 信号质量.....................................................................................................................39
6.4. AT+CPOL 优选营运商列表.......................................................................................................40
6.5. AT+COPN 查询营运商名称 ......................................................................................................40
6.6.AT+ECSQ 控制信号质量有变化是否主动上报........................................................................41
7. 呼叫控制命令..........................................................................................................................................42
7.1. ATA 呼叫应答.............................................................................................................................42
7.2. ATD 移动台呼叫某一号码........................................................................................................42
7.3. ATH 挂机控制............................................................................................................................44
7.4. +++ 数据模式切换至命令模式.................................................................................................44
7.5. ATO 命令模式切换至数据模式 ................................................................................................44
7.6. AT+CLCC 键盘控制 ..................................................................................................................45
7.7. AT+CRC 蜂窝结果码.................................................................................................................46
7.8. ATS0 自动应答前振铃次数.......................................................................................................47
7.9.AT+CHUP 挂断当前呼叫连接 .....................................................................................................47
7.10.AT+DLST 重播最后 MO 通话 ....................................................................................................48
8. 短消息相关命令......................................................................................................................................49
8.1. AT+CMGF 配置短消息模式......................................................................................................49
8.2. AT+CSCA 短消息服务中心地址...............................................................................................49
8.3. AT+CPMS 选择短消息存储器 ..................................................................................................50
8.4. AT+CMGD 删除短消息.............................................................................................................51
8.5. AT+CMGL 列出优选短消息存储器中的短消息......................................................................52
8.6. AT+CMGR 读取短消息.............................................................................................................55
8.7. AT+CMGS 发送短消息 .............................................................................................................57
8.8. AT+CMGW 写短消息................................................................................................................59
8.9. AT+CMSS 从存储器发送短消息 ..............................................................................................60
8.10. AT+CNMI 新短消息指示 ........................................................................................................61
8.11. AT+CSDH 显示文本格式参数 ................................................................................................63