EasySMS

The subscribers can be grouped together.

Installation

Unpack and upload it to the /wp-content/plugins/ directory.
Activate the plugin through the 'Plugins' menu in WordPress.

Features:

• Owner Verification of cell phones with unsubscribe feature
• AJAX sidebar widget form with custom title and terms of agreement.
• Subscriber groups
• Track how many SMS message have been sent to each subscriber.
• Auto-notification of new posts to subscribers.
• Custom text messages from admins only
• Message preview before sending SMS
• 80 default carriers
• Delete/Add/Edit and Carriers
• Most international carriers supported!
• Edit/Delete Subscribers
• WP Administration compatible interface.
• Stats snapshot on dashboard.
• New subscriber notification.
• Embeddable Form using [easysms] on any post or page.

What is new in this release:

• Post publish fixed for auto SMS only on publish, not on update.

Requirements:

• WordPress 2.8 or higher