54 Chapter 4 CS 2000 considerationsN0060720N0060720Restrictions and limitationsThe following restrictions and limitations apply to CICM interoperability with the SRG50:• SRG50 is not supported as an H.323 gateway to the CS2000 main office.• The m6350 softclient and IP Phone 2033 are not supported.• Security is not available in local mode, which is when the IP telephone is connected tothe SRG50.• Registering IP telephones as redirected sets at the SRG50 must be done manually.Configuration considerations for CICM interoperability withSRG50The IP telephones located at the SRG50 branch office must have the following configurationsettings:Refer to the Centrex IP Client Manager Etherset Installation Guide and User Manual,NN10027-113, for detailed instructions on how to install and configure IP telephones.The IP telephones that are located at the SRG50 branch office, initially register to the CICMgateway (S1) located in the main office.Field ValueS1 IP S1 Port 5000S1 Action 1 (non-secure) or 6 (secure)S2 IP S2 Port 7300S2 Action 1 (non-secure)Note: If the CICM gateway to which the IP telephone is connected ispart of an enterprise profile, and the user selects to connect to a differentCICM gateway, the set is redirected to the remote CICM gateway (S3).If the remote CICM gateway does not respond, the set falls back to thedefault CICM gateway (S1). If the remote CICM gateway does respondand the change is committed, it replaces the default CICM gateway (S1).
