Sms ExtraPro, envoi SMS et réception de SMS par internet.
 This is a page of demonstration.
 The majority of the functionalities are disabled.
 To activate them, you should be identified.
Cell Phone Number Check

Check a number:
This tool lets you check the validity of a number and determine which cell phone operator it is affiliated with.

List of checked numbers:
You can access a list of previously verified numbers by clicking this link.

URL for sending receipt acknowledgements:
This option lets you specify the URL to which we will send receipt acknowledgements for the text messages you send.