问题
I want to build an Web-application using jsp/servlets where we will be able to send sms to recipient,lwt me know,wheather could it be possible without using gateway/gsm modem or I must have to use that.I don't want to use 3rd party's sms appliation.
回答1:
You'll need a 3rd parties gateway into top level aggregators for this or get a gateway into them yourself (can have expensive setup fee's). (I work in this field).
回答2:
I have personally used http://www.smspm.com/en and I am very happy with it. Simple, easy and they have an API for it as well.
回答3:
Use SS7 protocol, via ss7 you can send sms/mms messages directly
来源：https://stackoverflow.com/questions/11579173/send-a-sms-without-any-gateway-using-jsp-servlet