编写USSD客户端或USSD开源/待购买客户端
我的问题是，是否有任何开源（理想情况下）或需要购买的软件/工具/库，我可以使用它们来发送和接收 USSD 消息？我希望该工具/库/软件从我的服务器连接到 USSD 网关，然后为我发送和接收消息。我只想专注于编写应用程序的业务逻辑，而不是其他。这就像我正在寻找像 Kannel（用于短信）这样的软件/工具/库。
如果没有这样的工具/库/软件，那么客户端需要做什么才能在与多个 USSD 网关通信时有效处理巨大的流量？
我希望我的问题很清楚！
期待您的答复
My question is that is there any software/tool/library that is open source (ideally) or to be purchased, that I can u use to send and receive USSD messages? I would like that tool/library/software to connect to USSD gateway from my server and then send and receive messages for me. I just want to focus in writing the business logic of my application and nothing else. Its just like I am searching for a software/tool/library like Kannel (for SMS).
If theres no such tool/library/software then what needs to be done at client side to be able to effectively handle huge traffic while communicating with multiple USSD gateways?
I hope my question is clear!
Look forward to your answer
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最近，人们似乎对 USSD 申请重新产生了兴趣。
SMPP 作为 USSD 系统的接口被广泛使用，并且由于 NowSMS 中 SMPP 的灵活实现，2 路命令设施可以成为部署 USSD 服务的便捷平台。
所有 USSD 代码都是特定于运营商的。因此，它们与短信短代码不同，至少在国内，运营商之间存在互操作性支持，允许跨运营商短代码。
如果您想部署 USSD 应用程序，那么您需要成为移动运营商，或者需要通过连接到移动运营商的 USSD 网关来完成此操作。您不能仅使用 GSM 调制解调器。您不能直接访问批量短信提供商并获得连接。
因此，当我们被问到有关 USSD 支持的问题时，有时这是一个技术好奇问题……人们正在寻找可能更便宜的短信替代方案。在这些情况下，通常不值得追求。
与 USSD 接口时，重要的是要认识到每个供应商的 USSD 接口可能有所不同。编码这些参数的技术。
There seems to be a lot of renewed interest in USSD applications these days.
SMPP is very widely used as an interface into USSD systems, and because of the flexible implementation of SMPP in NowSMS, the 2-way command facility can be a convenient platform for deploying USSD services.
All USSD codes are operator specific. So they are different from SMS short codes where, at least within country, there is interoperability support among the operators to allow cross operator short codes.
If you want to deploy a USSD application, then you need to be a mobile operator, or you need to do it through a connection to a mobile operator’s USSD gateway. You can’t just use a GSM modem. You can’t just go to a bulk SMS provider and get a connection.
So, when we get asked questions about USSD support, sometimes it is a technical curiosity question … people looking for potentially cheaper alternatives to SMS. In those cases, generally, it is not worth pursuing.
When interfacing with USSD, it is important to realize that each vendor’s USSD interface can be somewhat different.techniques for encoding these parameters.
您可以查看 Mobicents 开源 USSD 网关，它补充了 Mobicents 电信中间件项目套件：
http:// /www.telestax.com/opensource/
http://code.google.com/p /ussdgateway/
You can take a look at the Mobicents Open Source USSD Gateway, which complements the suite of Mobicents telco middleware projects:
http://www.telestax.com/opensource/
http://code.google.com/p/ussdgateway/
USSD网关通常提供具有“通用”协议栈的接口，例如SOAP、HTML，用于访问USSD功能。这实际上是拥有 USSD 网关的主要原因之一。请参阅您的 USSD 网关手册。
USSD gateways typically provide interfaces with "common" protocol stacks, e.g. SOAP, HTML, for accessing USSD functionality. It's actually one of the prime reasons for having an USSD gateway. Consult your USSD gateways manuals.