Unlimited talk, text & web $50 /mo
First 100 MB at up to 4G speeds
- Great phone selection
- America’s Largest 4G Network®
- No annual contract
Avaya Expansion Components AV-IP-500-2-ANALOG Avaya IP500 ...
Apr 30, 2012 . Power Failure Transfer - When fitted with an IP500 Analog Trunk daughter . Maximum - 4 per IP500 or IP500 V2 control unit running IP Office; .
http://www.keyphonesdirect.com/Avaya/Expansion-Components/AV-IP-500-2-ANALOG.html