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: 2125551212@message.alltel.com
AT&T (formerly Cingular)
[10-digit phone number]@txt.att.net
Example: 2125551212@txt.att.net
For multimedia messages, use [10-digit-number]@mms.att.net
Example: 2125551212@mms.att.net
Boost Mobile
[10-digit phone number]@myboostmobile.com
Example: 2125551212@myboostmobile.com
Cricket Wireless
[10-digit phone number]@sms.mycricket.com
Example: 1234567890@sms.mycricket.com
For multimedia messages: [10-digit phone number]@mms.mycricket.com
Example: 1234567890@mms.mycricket.com
Nextel (now part of Sprint Nextel)
[10-digit telephone number]@messaging.nextel.com
Example: 7035551234@messaging.nextel.com
Sprint (now Sprint Nextel)
[10-digit phone number]@messaging.sprintpcs.com
Example: 2125551234@messaging.sprintpcs.com
T-Mobile
[10-digit phone number]@tmomail.net
Example: 4251234567@tmomail.net
Verizon
[10-digit phone number]@vtext.com
Example: 5552223333@vtext.com
Virgin Mobile USA
[10-digit phone number]@vmobl.com
Example: 5551234567@vmobl.com