Code in both links is the same thing, only the top link has the added AT command for sensind SMS.
Also, you will have problems using that with most manufaturers mobile, as it is working with TEXT mode SMS. Most big manufacturer support only PDU mode.
You can find info how to make PDU text messages at:
http://www.embedtronics.com/nokia/fbus.html I will merge this with the sticky thread - to make it more accessable for others 