About SMS (Short Messaging Service)
SMS (Short Messaging Service) enables users to send and get text messages straight between GSM phones or some of the time through email addresses. Each message can be up to 160 characters and can be sent to and from clients of various operator network.
As of late mobile phone producers have started offering special designs for SMS inspired Instant Messengers, for example, ICQ, Skype, and MSN.
This improvement shows the common use of SMS as a kind of texting most preferred than chatting on a PC.