The Polycom VVX 501 is the upgraded model of the VVX500 including newer firmware. The Polycom VVX501 IP Phone (2200-48500-025) supports 12 lines and features twelve programmable buttons, speakerphone, RJ-9 headset port, touchscreen color display, and so much moreThe Polycom VVX 501 IP Phone will provide users a business media phone equipped with advanced voice capabilities and easy-to-use applications. The VVX 501 includes all the same features of the VVX 500 while adding improved memory and processor.
