Avaya IP Phone in Qatar

IP Office Essential Edition
Builds on the Basic Edition by adding IP telephony and mobility features, including one-number access and dial by name/extension. Scales to over 350 users.
IP Office Preferred Edition
All the features of Basic and Essential Editions with integrated unified communications, including IM and presence, web collaboration, mobile access, video, and call recording. Integration with business applications along with a multi-channel contact center is also provided.