- Automatic answering of inbound calls - Connects up to (8) emergency phones - Touch Tone transferring - Fire floor phone connection - Built in talk battery for fire floor phone - Call waiting notice - Paging feature - Fully functional battery backup - Non-volatile E memory for all programmable features - Power: 120V AC/13.8V AC 1.25A UL listed adapter provided - Dimensions: 210mm x 159mm x 44mm (8.25 x 6.25 x 1.75) - Connections: (1) RJ21 - Battery Backup: 4 hours