SMS/Pager notifications within Uptime Infrastructure Monitor rely on the ability to send an email to your mobile provider, and having them deliver it as an SMS notification.
Here are the email address formats for some of the more popular mobile providers:
Alltel
[10-digit phone number]@message.alltel.com Example: <span style="color: #0052cc">2125551212@message.alltel.com</span>
AT&T (formerly Cingular)
[10-digit phone number]@txt.att.net Example: <span style="color: #0052cc">2125551212@txt.att.net</span>
For multimedia messages, use [10-digit-number]@mms.att.net Example: <span style="color: #0052cc">2125551212@mms.att.net</span>
Boost Mobile
[10-digit phone number]@myboostmobile.com Example: <span style="color: #0052cc">2125551212@myboostmobile.com</span>
Cricket Wireless
[10-digit phone number]@sms.mycricket.com Example: <span style="color: #0052cc">1234567890@sms.mycricket.com</span>
For multimedia messages: [10-digit phone number]@mms.mycricket.com Example: <span style="color: #0052cc">1234567890@mms.mycricket.com</span>
Nextel (now part of Sprint Nextel)
[10-digit telephone number]@messaging.nextel.com Example: <span style="color: #0052cc">7035551234@messaging.nextel.com</span>
Sprint (now Sprint Nextel)
[10-digit phone number]@messaging.sprintpcs.com Example: <span style="color: #0052cc">2125551234@messaging.sprintpcs.com</span>
T-Mobile
[10-digit phone number]@tmomail.net Example: <span style="color: #0052cc">4251234567@tmomail.net</span>
Verizon
[10-digit phone number]@vtext.com Example: <span style="color: #0052cc">5552223333@vtext.com</span>
Virgin Mobile USA
[10-digit phone number]@vmobl.com Example: <span style="color: #0052cc">5551234567@vmobl.com</span>