- AT&T PSTN Gateway
- Ethernet to PSTN gateway
- 4 RJ-11 PSTN lines
- 1 RJ-45 Ethernet connection
- Combine 4 gateways to support up to 16 lines
- 3-Mode auto attendant - day, night, lunch
- Field upgradeable firmware
- Power failover to analog phone
- LCD and LED status display
- Rack mountable
- ATTSB67010