Yes. Uptime Infrastructure Monitor can send a regular format email to an SMS-enabled address by using the pager address field within the UIM user settings. For example: 123456@pcs.myphonecompany.com.
You also can use the script alert option to send a true SMS message via an SMS modem or an online SMS service. This option allows you to customize a script that sends alerts in your defined format and transport mechanism.
An example script to utilize an SMS modem can be found in Creating custom alert scripts.