The program lets you open cellphone contacts agenda files so you can obtain the numbers more easily. Once you've done this, all you have to do is select which numbers you want to send a message to and the program will take care of sending them all.
To use the application you'll need to have a mobile phone connected to the device, otherwise, you won’t be able to send any messages. Once the phone is connected you can start sending all the messages.
Free GSM Bulk SMS Online is an application that is especially useful for sending text messages with invitations and other such messages. Although an email would probably be more effective today.
30 day trial period.