send sms to a webpage?

if I use a web page to send an sms message to a cell phone  (using my hosted site's relay server) -- when the cell phone user replies back, can my web page process it?



Does my question make sense?
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Tom KnowltonWeb developerAsked:
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alpacamanCommented:
No.

A webpage by itself cannot recevie sms messages.  You would have to get a  modem or sign up for an SMS processor to collect SMS messages.  You might be able to get a work around if you send a link in a sms that they can open to take them to your web page.  A webpage only understatnds HTTP requests.  Your SMS probably wouldn't even make it to the webserver...it would be considered garbage.
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alpacamanCommented:
you may also be able to have them reply back via email (if their phone service supports it).  You can then collect the emails in a program and process them.  I've looked into this before, sending is simple, receiving will cost you money one way or another.

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Tom KnowltonWeb developerAuthor Commented:
I was afraid this was going to be the answer.  :(

So, the general rule with SMS is -- to send is FREE, to receive is NOT FREE  ????
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alpacamanCommented:
Pretty much.

You would need a service like this:

http://www.tm4b.com/receiving-sms/

(I'm not recommending them at all, first link I found)

Think of it as you need a cell phone service to receive the sms.  But you don't need a service to send one.
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Tom KnowltonWeb developerAuthor Commented:
Okay.


Now -- I send a SMS message to my cell phone using  <cell phone number>@txt.att.net  (or some such) and the message was sent to my phone.


When I replied to the message --  it  DID   come back to my yahoo account Inbox (where I sent the message from)

So you are saying that for that to happen, the message HAD to go to some sort of SMS modem at some point?


I know I can atleast setup to read and parse an e-mail account in order to process inbound messages.  But this is not necessarily a viable long term solution.
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alpacamanCommented:
Yeah...thats about where I stopped too.  I didn't want to rely on parsing emails in an inbox, and I didn't want to spend money.

should get you going:

http://www.developershome.com/sms/howToReceiveSMSUsingPC.asp

Your cell phone = sms modem.

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Tom KnowltonWeb developerAuthor Commented:
>>>> Your cell phone = sms modem.

I get that.  I am trying hard NOT to go that route.


I am wanting to accomplish this via a web page.

The other link you gave me has an SMS-to-Server OPTION which sounds like what I want.  


The question for me now is how cheaply can I do this.


Tom
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alpacamanCommented:
I can't help you much more.  Your pretty much taking off from where I gave up.  If you ever figure out how much you think it will cost for startup expenses + cost per message post it here.  I'd be interested to see how much it is.  I was always worried that someone would screw with the service and send a $!!! load of messages.  If I was paying per message, I'd get rocked in bills.
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Tom KnowltonWeb developerAuthor Commented:
Yeah, I don't want to get spoofed.


thx for your help.
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