IP telephony is a unified communication solution which combines enterprise software with back-office applications and internet protocol (IP) contact center. It all started with a contact center that its core application was presence and instant massaging (IM) and improved to become a unified communication (UC) that is in the heart of every IP contact center making it more productive and efficient.
Voice over internet protocol (VOIP) is a technique using technology to convert and broadcast voice communication over broadband and internet, what it is in fact doing is encoding the audio speech to digital audio stream and transporting it using IP software or IP telephony.
The major development of the IP telephony was its mass-market service offering connection to conventional networks, wireless services and applications such as video conference, web calling, and instant video massaging. What was once a corporate and business system is now available to the public users as well, every smartphone, Wi-Fi mobile phones and other portable devices can communicate using the VOIP application.
IP telephony communication depends on the availability of electricity and its service providers, unlike analog traditional telephony phone lines service. Other benefits the IP telephony offers are the low operational costs for some services and other services such as caller ID, voice mail and conference calls are free of charge. VOIP can provide services such as secure calling, flexibility and location independence, managing and exchanging data and integrating with other business systems and internet services.