Do you tend to concentrate on downloading new applications when you want to expand what you can do with your mobile phone? That’s the norm, but there are actually a lot of calling- and messaging-based ways to immediately start getting more out of your phone. In this post, I’ll compile six very useful tools that won’t cost you anything to start using.
Pinger.com. Pinger.com is a great way to send text-based messages and e-mail attachments to a group with just one voice message. You can save groups—such as the small group of web workers you are in regular contact with—and then tell the whole group the same text-based thing with a phone call. When you sign up for the free service, you get a web inbox so that you can see your responses.
YouMail.com. YouMail.com is especially good if you’re a true cell phone junkie, because you can break free of the voice mail system your service provider offers and completely customize the greetings and options that you offer the various people who call you. It’s free, and you can also get your voice mails online.

Call2.com. If you place a lot of expensive calls to foreign countries, try Call2.com. This service lets you specify what number you’re calling from, what number you want to call, and then it calls you with the connection, at rates that are a fraction of what the big carriers will charge you. You pay Call2.com through a prepaid account that they debit, so there is no bill.
Free Information. Try dialing 1-800-GOOG-411 for Google’s excellent free, speech recognition-based information service. You can find businesses, be automatically connected to them free of charge, and get your results back as text messages. Also try TellMe’s service which does similar things.
Dodgeball.com, Twitter.com, Etc. Dodgeball.com, Twitter.com and other mobile social networking services are used in tons of ways, but I find them especially good for sending broadcast messages to groups about where I currently am.
4Info.net. At 4Info.net you can do the same kinds of mobile searches that you can do on other free services (type “wifi 97354” into your phone to find a Wi-Fi hotspot, etc.), but the site is particularly good for ferreting out low prices on products you may want to buy. Type in “price Xbox 360” for example, to get price comparisons that can save you money.
Do you have any good tips on free services for mobile phones?
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