PC-Telephone
Make FREE pc-to-pc and cheap pc-to-phone, pc-to-fax, phone-to-pc, fax-to-pc, sip-phone, sip-to-phone calls over Internet or ISDN/PSTN telephone networks. Use your computer as internet telephone, USB phone, ISDN phone, fax, voicemail, callerID

Oxygen Phone Manager II for Symbian OS phones
Oxygen Phone Manager II for Symbian OS smartphones lets your PC and smartphone communicate with each other. The program allows you to work with Phonebook, Calendar, To-Do List, Profiles, Log records, Applications, Multimedia and Messages