My addon module is couple of month listing at community addons and i will write some words more here.
Product Page & Screenshots
Community Addon's Page
Latest key features....
1)Currently the latest version supports multiplie Phones for each Department, so the big companies can get multi notifies to different person.
2)Supports 9 gateways from all over the world.
3)Every developer or user can easily add their gateway using the SMS Notify API. It's easy to intergrate like the WHMCS modules or hook system. We provide pdf quide and examples
4)Gateways can use 1 or all of those features that offers the SMS Notify (not only to send sms), sms status, sms cost, sms schedule, mass sms, credit balance. Most of gateways have API for most of above features.
General Key Features
-- Admin Notify for New/Reply Ticket, Invoice Paid/Create
--Cleint Notify for New/Staff Reply Ticket, Paid/Create Invoice, Password Change
--Automatic SMS reminders for Hosting/Other Services, Domain Expiration
--Multiplie days for reminder for each client. Example 30,10 means 30 and 10 days before expire/next due date (2 sms)
--Force to send sms before or after automatic sms
--Scheduled sms supported
--History (SMS) Log with status and sms details info
--Easy SMS patterns
--Test Mode gateway
--Easy gateway intergration
--screens & more features here......