Cisco 7940 Comes with SCCP protocol for Cisco Call Manager, but able to be flashed to SIP and able to use any Asterisk phone system like Freepbx.
- Ethernet network via an RJ-45 interface with single LAN connectivity
- H.323 compatible and Microsoft NetMeeting compatibility
- Hearing-AID- Compatible Handset, G.711 and G.729a audio compression
- LCD Display allows the use of XML Features