Page 488 of 630 Expansion Module for IP Phone 1100 series553-3001-368 Standard 26.00 August 2007Operating parametersIf the Expansion Module does not respond, and lines or features areconfigured on keys 32 to 85, calls can be directed to those keys which the usercannot access. This means that the IP Phone rings, but the call cannot beanswered. In such cases, the incoming call receives Call Forward No Answer(CFNA) treatment.IP Phone 1120ENote: The IP Phone 1120E does not support Shift key functionality.If only one Expansion Module is configured in LD 11, but two or threeExpansion Modules are detected on an IP Phone1120E, the second and thirdExpansion Modules are ignored. An error message displays to alert theadministrator that the hardware configuration does not match theadministered configuration.If two Expansion Modules are configured in LD 11, but only one ExpansionModule responds, the keys on the second Expansion Module are available forcall processing but are not accessible to the user. This means that lines andfeatures on keys 32 to 67 can cause the IP Phone 1120E to ring, but there isno way to answer it. An error message displays to alert the administrator thatthe hardware configuration does not match the administered configuration.If three Expansion Modules are configured in LD 11, but only one or twoExpansion Modules respond, the keys on the third Expansion Module areavailable for call processing but are not accessible to the user. This means thatlines and features on keys 68 to 85 can cause the IP Phone 1120E to ring, butthere is no way to answer it. An error message displays to alert theadministrator that the hardware configuration does not match theadministered configuration.IP Phone 1140E and IP Phone 1150EIf only one Expansion Module is configured in LD 11, but two or threeExpansion Modules are detected on the IP Phone, the Terminal Proxy Server(TPS) assigns keys 50 to 67 to the second Expansion Module. The thirdExpansion Module does not have keys assigned until it is configured in