AT&T SB67138 SynJ 4-Line Corded/Cordless SMB:

AT&T SynJ corded/ cordless system
Automated attendant
Push-to-talk intercom
Handset speakerphone
Caller ID
50 Name/number caller ID history
The ATT-SB67138 includes a digital answering system with up to 180 minutes of digital recording
Individual voicemail boxes for each extension
Remote access with programmable options
Call screening/ intercept
Message retrieval from handset
Message time/day stamp
DECT Zero blind slot digital technology: (can have up to 10 accessory handsets active at the same time (number of active outside calls limited by number of outside phones lines)
The ATT-SB67138 has 1 to 4 Line capability
Extendable range
100 Name/Number phonebook directory
Connect up to 6 repeaters to 1 corded base unit
Handoff calls between repeaters
Link 2 or more repeaters together
Accessory handset: SB67108