蜂窝 AT 命令集。它们有多普遍
几乎每部具有蓝牙功能的手机（因此几乎每部手机）都有一个用于控制手机的 AT 命令接口。一些基本命令是通用的，因为它们早于移动电话（ATDT、ATA、ATZ 等）。但是有许多 AT 命令专门用于控制或查询蜂窝连接特定数据。
这些命令至少在某种程度上标准化了吗？如果是这样，怎么办？ UMTS 与 EVDO、制造商等。
Pretty much every phone that has bluetooth (so pretty much every phone) has an AT command interface for controlling the phone. Some base commands are universal due to the fact theat they precede the cellular phones (ATDT, ATA, ATZ, etc). But there are many AT commands implmented specifcally to control or query cellular connection specific data.
Are these commands at least somewhat standardized? If so, how? UMTS vs EVDO, Manufacture, etc..
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AT 命令有一个 3GPP 标准：http://www.3gpp。 org/ftp/Specs/html-info/27007.htm
3GPP 是 GSM/UMTS 世界的标准机构（您可能知道）。
最初的 AT 命令来自一组用于控制 Hayes 调制解调器的命令。
根据过去的经验，并非所有手机都支持所有命令，制造商也可能添加自己的命令。诺基亚自己说（大概指的是他们自己的手机）：
“不同的手机支持不同的 AT 命令集。这意味着特定的手机可能不支持下面列出的所有 AT 命令。目前没有权威的支持列表。所有手机都可以使用 AT 命令。”
There is a 3GPP standard for AT commands: http://www.3gpp.org/ftp/Specs/html-info/27007.htm
3GPP is the standards body for the GSM/UMTS world (as you probably know).
The original AT commands came from a set to control a Hayes Modem.
From past experience not all phones support all commands and manufacturers may add their own commands also. Nokia themselves say (referring presumably to just their own phones):
"Different phones support different sets of AT commands. This means that a specific phone might not support all AT commands listed below. Currently there is no authoritative list available of supported AT commands by all phones."
任何特定设备支持哪些命令
有一个 AT 命令理论上会告诉您连接到AT+CLAC 的
There is an AT command which in theory will tell you what commands are supported by any particular device you connect to
AT+CLAC