Chapter 4 CS 2000 considerations 53Survivable Remote Gateway 50 Configuration GuideChapter 4CS 2000 considerationsThe following activities are specific to the interoperability of the Nortel Centrex IP ClientManager (CICM) gateway in a Communication Server 2000 (CS 2000) main office with anSRG50:• “Hardware and software requirements” on page 53• “Supported IP telephones” on page 53• “Restrictions and limitations” on page 54• “Configuration considerations for CICM interoperability with SRG50” on page 54• “Configuring IP telephones for redirection” on page 55• “Registering the IP telephones at the SRG50: Test Local Mode” on page 61• “Firmware upgrade” on page 61An overview of CICM interoperability with the SRG50 is provided in the solution-level Basicsdocument associated with your CS 2000-based solution.Hardware and software requirementsFor CICM interoperability with the SRG50, the following hardware and software are required:• a fully configured 5370 or 5385 CICM gateway with Active Call Failover, and a 5370or 5385 CICM Manager in the CS 2000 main office running the SN08 release• a fully configured BCM50 in the SRG branch office with the SRG50 software updateand keycode appliedSupported IP telephonesThe following IP telephones are supported for CICM interoperability with the SRG50:• Phase I IP Phones 2002 and 2004 with firmware 1.74 and later• Phase II IP Phones 2001, 2002, and 2004 with firmware 3.92 and laterNote: Currently, the SRG50 is a First Customer Application for theCS 2000 and is working through the Nortel Verification Office toachieve full general availability in conjunction with the Centrex IPClient Manager solution.
