- Max CO Lines : 640
- Max Analog CO’ s : 640
- Max VoIP ( H.323) trunks : 32
- Max VoIP ( SIP) trunks : 32
- Max Total Extensions : 992 ( 1152 with DXDP) *
- * Even when Digital XDP is used, each shelf supports a maximum of 256 KX-DT300/ KX-T7600 series
- Max Analog Proprietary Extensions : 320
- Max Single Line Telephones : 960
- Max Digital Proprietary extensions : 640 ( DT300, T7600 series)
- Max IP Proprietary Phone ext. : 704
- Max SIP extensions : 128
- Multi-Cell Wireless Compatible : Yes
- Maximum Cell Stations ( Antennas) : 128
- Maximum Portable Handsets : 512
- Direct Station Select( DSS) Consoles : 64
- Dimensions ( H x W x D) : 16.3″ x 16.9″ x 10.6″ ( per shelf)
