RSVP-BlackBerry - RSVP's easy single-click operation significantly reduces the amount of user interaction required to place and respond to calls on your BlackBerry.
If you have ever suffered from frustration trying to a respond to a missed call using your BlackBerry, then you need RSVP!
Note that iDEN BlackBerry Models like the 7510 and 7520 do not fully support SMS
Truphone (BlackBerry) - Truphone saves you money on international calls made from your home country, without changing the way you use your mobile phone. It works alongside your existing domestic service provider, but reduces international call costs to as little as $0.06 per minute from 33 countries around the world
AudioPOP (BlackBerry) - Have you ever wanted to listen to voice messages on your BlackBerry but couldn't figure out how to play them back?
Now you can download voice mail and audio attachments right to your BlackBerry with AudioPOP!
AudioPOP integrates with the built in Messages program on your BlackBerry
Ring & Vibrate - This small application will enable BlackBerry devices to have ringtone alert and vibration alert at the same time. You can also set your own vibration pattern. For example, BlackBerry devices can be set to vibrate in the pattern of BUZZZ...pause...buzzz..
Call Client is a tool that helps handle phone lists on your BlackBerry device. With Call Client you have the capability to manage multiple phone lists, mark the status of each phone call, and add phone call notes all with the touch of a single button
The Ifbyphone BlackBerry application enables you to deliver instant voice broadcasts & launch outbound conference calls from your BlackBerry, making it even easier to communicate with your contacts
CallsBlocker is an application that allows the user to block unwanted calls or calls from unknown, private or withheld numbers.
Through this you won't get bugged anymore by advertisement or unwanted calls. Another feature is that you can block a set of numbers that starts with specific digits (e.g. all 190 numbers)
CardKaller - makes it easy to use calling cards or Google Voice with your BlackBerry device.
The CardKaller dialer application automates dialing so that users can easily make long distance calls without having to remember calling card access numbers, PIN numbers or the phone number to be called
Vibrate on Call Connect - Do you call your contacts and then watch the screen while it rings till the time they pick it up?
With "Vibrate on Call Connect", your phone will vibrate when the call is connected so that you do not need to stare at the screen. Now you can call your contacts without the need to hear it ring