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Operational Features
41-001160-01, Rev 00, Release 2.3 5-137
Configuring Operational Features
Softkeys/Programmable Keys/Feature Keys/Expansion Module Keys
You can configure the softkeys, programmable keys (9143i and 53i have
programmable keys only), feature keys, and expansion module keys to perform
specific functions on the IP phones.
Softkeys (9480i, 9480i CT, 55i, 57i, 57i CT)
The 9480i, 9480i CT, and 55i IP phone have 6 softkeys you can configure to
perform specific functions, The 57i and 57i CT IP phones have 12 softkeys you
can configure. With up to 3 Expansion Modules attached to the phone, you can get
an additional 72 softkeys to configure (not all functions apply to Expansion
Module softkeys). The following table provides the number of softkeys you can
configure, and the number of lines available for each type of phone.
*The 536M 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 560M 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.
Note: When entering definitions for softkeys in the configuration files,
the “#” sign must be enclosed in quotes.
IP Phone
Model
Softkeys
Expansion Module
Keys
Programmable
Keys
Lines
Available
Handset
Keys
Available
9480i 6 Not Applicable - 9-
9480i CT 6 Not Applicable - 915
55i 6 36 to 108*
(Model 536M)
60 to 180**
(Model 560M)
6 9-
57i 12 36 to 108*
(Model 536M)
60 to 180**
(Model 560M)
- 9-
57i CT 12 36 to 108* on Base
Station
(Model 536M)
60 to 180** on Base
Station
(Model 560M)
- 915