Key Features:
- Mfr. Part #: IVX E2 D12
- Adds 12 Digital Extensions
Compatibility:
- ESI IVX E-Class Gen 1
- ESI IVX E-Class Gen 2
- ESI IVX X-Class
- ESI IVX C-Class
- ESI Communications Server 200 (Hot-Swap Port Card Adapter Required)
- ESI Communications Server 600 (Hot-Swap Port Card Adapter Required)
- ESI Communications Server 1000 (Hot-Swap Port Card Adapter Required)
- one year warranty