From SAVE wiki
There's now a new and simple method to send and receive texts online. All you have to do is download an application or a text messaging client which lets you send and receive messages on your computer, laptop, iPod or iPhone; and you can instantly send and receive messages anywhere in the world even with no phone! The caveat though is you must have a web connection.
This type of messaging system works much like im. But instead of PC to PC conversation, the software or even the messaging client enables you to possess a PC to mobile phone conversation with anyone you want to speak with. While you can send as numerous messages as you want, much like in im, there is a limit to the quantity of words or characters you are able to send. Many of these texting clients also be used as instant messaging software, allowing you to exchange messages with buddies who are also online.
Advantages to using online texting
You are able to send and receive phone messages online with free streaming. Most customers are free, but there are some that charge a set rate or a subscription fee. Searching the web to check out a totally free service or play one which has a subscription but better services and much more options.
You can forward messages sent to you while you're offline straight to your cell phone.
You are able to sign-up making use of your mobile number or email address. Forget about need for pesky usernames to keep in mind.
You can answer messages you've received in your phone when your mobile phone runs out of credit by replying online.
You are able to send e-mail on your mobile phone or send SMS messages out of your email account.
Without having a cell phone, you should use online text messaging so that you can send SMS messages to others.
Allows you to send international texts free of charge (or at cheaper rates)
If you lose web connection and have no PC to access your account, you cannot send and receive text messages online.
Some services charges the recipients obscene amounts.
Security and privacy may be a problem.
Other things which you might want to know
Online text messaging should in no way be utilized for a substitute for emergency calls or perhaps in emergency situations. In the event of emergency, call directly using your landline or mobile phone.
While reliable, you will see instances when your messages will fail to be delivered. This may be due to issues with the cell phone carriers, or connectivity issues with your computer. Contact the company directly through their e mail us page to report the issue.
Always check how much your recipients will be charged when they do receive your messages. It might be free sending the messages from your end of the line but your recipients might be getting exorbitant fees for receiving those messages. Consult the FAQ from the online text messaging service you use to be certain just how much it'll cost your pals or relatives.