A Voipswitch or softswitch is a very important device element of any
telecommunications network. It connects different IP networks in order to
deliver end-to-end communications
Network router transformed, from the device used only for connection between different networks, into a device capable of performing many additional functions. More and more customers of Cisco deploy routers with integrated network services – complex network routers, which transmit voice, video and data, ensure the Internet connection and provide Wi-Fi and other add-ons.