回复:请VOIP的大侠看看哪个SPA可以解决我的问题?正在考虑SPA3102?

would you give me your phone number? I will call you to figure out what you really want to do. If you know asterisk, you really don't need to post this message. Asterisk does it all for you. You only need ATA to connect to your regular phone set.

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