The Avaya Partner 308EC Expansion Module adds 3 lines and 8 telephone sets for the Partner ACS R3.0 system and higher. The Partner ACS 308EC features Caller ID built-in (Caller ID must be provided by local carrier). Fax detection and routing available. Universal Port Structure allows multi-line analog phones or single line business phones. Analog Device Compatability (fax machine, credit card machine, modems, etc.) The Partner ACS 308EC is compatible with the Partner ACS System Release 3.0 or higher.

2 Year Warranty