While it is not possible directly with out forms, there are two simple solutions to accomplish this:
1. Determine your email-to-SMS gateway, and send your notification email through this. As an example, assume the number NNN-XXX-YYYY is on the AT&T network. In order to send an SMS message to this number, you only need to email NNN-XXX-YYYY@mobile.att.net I believe the following a current list, but if you do a search for your carrier you should be able to find the proper domain: http://www.sms411.net/2006/07/how-to-send-email-to-phone.html
2. You can (with a PRO plan) POST your data to a script you design which will contact one of the many text messaging services on the web, who will then forward it on. Note that most of these services require payment or an account of some sort.