Hard Key Parameters
41-001160-00, Rev 01 Release 2.0 A-109
Configuration Parameters
Appendix A
*The 536EM expansion module consists of 36 softkeys. You can have up to 3 expansion modules on an IP
phone totaling 108 softkeys. Valid for 55i, 57i, and 57i CT phones.
**The 560EM expansion module consists of 60 softkeys. You can have up to 3 expansion modules on an IP
phone totaling 180 softkeys. Valid for 57i and 57i CT phones only.
57i CT 12 Top and
Bottom Softkeys
(Up to 10
functions on top
keys; Up to 20
functions on
bottom keys)
36 to 108* on Base
Station
60 to 180** on Base
Station
(Model 560EM)
-915

Note: When entering definitions for softkeys, the “#” sign must be

enclosed in quotes.