Nortel PBX CS1000 Phone Systems – (50 to 5000 stations)

Nortel CS1000 Communication Server 1000 – Option 11, Option 51, Option 81

ATTENTION!  Please see the document below regarding new policies for access to technical support (see PASS below).   If your CS1000 is release 3 or higher you will need PASS in order to access technical support.  If you are older than release 3 we can customize a technical support plan for you.

What do you need  ?

Communication Server 1000 (formerly Succession 1000) Release 4.0 is enterprise call server software that supports centralized or distributed collaborative enterprise environments with distributed call server and gateway redundancy, IP telephony scalability up to 15,000 IP clients per call server, SIP-based interworking with Nortel Networks MCS 5100 portfolio and support for an extended range of communication clients. Release 4.0 is common across CS 1000 and Meridian 1 systems, providing a seamless migration path for Meridian 1 upgrades.