Avaya IP Office 500
IP Office 500 is a versatile communications solution that combines the reliability and ease of a traditional telephony system with the applications and advantages of an IP telephony solution. This converged communications solution can help businesses reduce costs, increase productivity, and improve customer service.

- provide a combination of up to 384 analog, digital or IP extensions
- support analog, T1, PRI trunk and SIP
- built-in Embedded Voicemail
- supports up to 32 sites and 1000 users in a multi-site network
- Mobile Twinning: ability to use a mobile as an extension of your office phone
- Unified Messaging: provides a higher level of integration to synchronize both voicemail and email
- and much more