SIP2SIM and SMS

From AAISP Support Site

Sending a SMS to the SIM using Curl

You can send a SMS to the SIM using curl (a command line tool available on most operating systems, and so this can be integrated in to your own systems.

Be sure to enter a 'MT Password'

Example:

curl --silent --get --form-string iccid=894453852500xxxxxxx --form-string password=secret --form-string message="Hello Alex" --form-string originator="Office" http://sms.aa.net.uk/sms.cgi
SMS message to 894453852500xxxxxxx
OK: Queued

You can also send via our Send a Text page - Use the following fieled: Password, Message, Originator and ICCID fields.

More details on the SMS Page

SMS with an AAISP Number

If you have a number from AAISP that supports SMS (see [VoIP - SMS] for a list)