SMS plugin messenger with reliable SMS gateway connection.
...http://wordpress.org/extend/plugins/2-waysms-messenger/
http://downloads.wordpress.org/plugin/2-waysms-messenger.zip
Upload 2-waysms-messenger folder to the /wp-content/plugins/ directory
Activate the plugin through the 'Plugins' menu in WordPress
Go to 2-WaySMS Settings in adminpanel
To activate SMS sending enter your Token and Number and click Save
For SMS receiving, copy generated link from Receiver script field
Log in to your 2-WaySMS account http://www.2-waysms.com/my / My numbers / Settings
Set [Forward all Inbound Messages to the following URL] and paste copied link
Plugin ready for SMS sending and receiving