Avaya one-X Deskphone 9620L IP Telephone (Gray, MOQ 160) For the Everyday user: the 9620 LITE. For the Everyday user, a phone is one of many communications tools along with perhaps IM, email and PDA. While common functions such as directory and speed dial are important to this user, many other features that would typically be found on a traditional business phone might be superfluous. The 9620 provides three visible call appearances on a smaller display, with a simple interface offering easy access to the most important features.