If I want to send an SMS from an iPhone app, is this possible with available libraries for iOS or c/c++ or combinations of these? Which libraries should I purchase for being able to implement such functionality? Based on SMTP sample code for sending SMS from C++ I've seen a list of SMS gateways..is this list final or there are also other SMS gateways supported but not in the list. Example: I'm interested for Orange provider in Romania.
The example you mentioned is at http://www.example-code.com/vcpp/sms_send.asp
It's probably old by now and out-of-date. The original intent was to provide the conceptual understanding of how email might be used to send an SMS message. There is nothing in Chilkat Email that is specific to SMS. Also, Chilkat is not trying to keep an up-to-date list of SMS gateways and other information. I'm sure this information is available elsewhere on the Internet.