SMS - MMS from your phone to email and back

SMS gateways are the key to allowing you to use your text messaging functions to send and receive emails and media between phones text messaging and any email service.

Here is a list of address for the Cell providers:

http://en.wikipedia.org/wiki/SMS_gateway

To send a message from email use use the phone number plus the address listed in the link for that persons cell provider.

The send a message from the phone you simply put the persons email address where the phone number might go.