在 GPRS 连接处于活动状态时发送/接收 SMS
据我经过数小时的研究后在网络上了解到，当存在开放的 GPRS 连接时，无法接收/发送短信。 我是对还是错？
我目前正在开发一个应用程序，其目的是建立一个开放的 GPRS 连接，以便在收到短信时发送数据。 是否可以在 GPRS 处于活动状态时以某种方式保持连接打开并接收短信，或者每次我想检查是否收到短信时都必须关闭计算机上的 GPRS 连接？
为此，我使用 3G 调制解调器。我正在处理来自 C 应用程序的 SMS，并且 GPRS 连接由操作系统（Ubuntu）处理。
As far I have informed around the net after hours of research it is not possible to receive/sending SMS while there is a open GPRS connection.
Am I right or wrong ?
I am currently developing an application which purpose is to have an open GPRS connection to send data from when it receives an SMS.
Is it possible somehow to keep the connection open and receive SMS's while the GPRS is active, or do I have to close the GPRS connection on the computer every time I want to check if I have received an SMS?
I am using an 3G modem for the purpose. I am handling the SMS from a C application, and the GPRS connection is handled by the OS (Ubuntu).
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许多调制解调器都能够进行多路复用。因此，一个通道用于标准 AT 命令，另一个通道用于 GPRS/UMTS 通信。您的调制解调器有能力吗？
更新
可能这可能帮助你。我使用了该多路复用器的变体来为 AT 命令运行多个通道。
A lot of modems are capable of multiplexing. So one channel is for standard AT commands and then a dedicated channel for GPRS/UMTS communication. Is your modem capable of that?
UPDATE
Possibly this may help you. I have used a variant of this multiplexer to have multiple channels running for AT commands.