The AT&T Spirit 616 Expansion attaches to the top of a Spirit 308 business phone system, and adds 3 lines and 8 stations (additional telephones).
- Allows an additional 3 incoming phone lines and up to 8 of the Spirit telephones onto an existing Spirit 308 Control Unit
- Compatible with the Spirit 6 button or 24 button
AT&T Spirit Phones Click Here
AT&T Spirit Phone System & Parts Click Here