- Compatible with Panasonic KX-TDA100, KX-TDA200, KX-TDA600, KX-TDE100, KX-TDE200, KX-TDE600 Phone Systems
- This Panasonic PRI Card supports 23 B channels + 1 D channel
- External Channel Service Unit (CSU) required
- Allows access to features such as DID Service which gives each person their own direct telephone number
- Compatible with Carrier Provided Caller ID