The Avaya Lucent Partner 400EC Expansion Module with Caller ID (4x0)
adds 4 outside lines with Caller ID to the Avaya Partner ACS, Avaya Partner II System, or the Partner Endeavor v2.0.
- Adds 4 additional CO lines + Caller ID capability
- Effectively expands all Partner, Partner Endeavor (R2.0), Partner ACS, and Partner II Telephone Systems
- 4 modular, loop-start line ports with Caller ID capability
- 2 touch-tone receivers