41-001343-01 Rev 02, Release 3.2.2
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Softkey/Programmable Key/Feature Key/Expansion Module
Key Parameters
This section provides the softkey, programmable key, feature key, and expansion module key
parameters you can configure on the IP phones. The following table provides the number of keys
you can configure for each model phone and expansion module, and the number of lines available
for each type of phone.
*The M670i expansion module consists of 36 softkeys. You can have up to 3 expansion modules on an IP phone totaling 108
softkeys. Valid for 6735i, 6737i, 6739i, 6753i, 6755i, 6757i, and 6757i CT phones.
**The M675i expansion module consists of 60 softkeys. You can have up to 3 expansion modules on an IP phone totaling 180
softkeys. Valid for 6735i, 6737i, 6739i, 6755i, 6757i, and 6757i CT phones.
IP Phone
Model
Softkeys
Expansion Module
Keys
Programmable
Keys
Lines
Available
Handset
Keys
Available
9143i
-
Not Applicable
7
9
-
9480i
6
Not Applicable
-
9
-
9480i CT
6
Not Applicable
-
9
15
6730i
-
Not Applicable
8
6
-
6731i
-
Not Applicable
8
6
-
6735i
6 Bottom Keys
36 to 108*
(Model M670i)
60 to 180**
(Model M675i)
6 Top Keys
9
-
6737i
12 Top and
Bottom Softkeys
36 to 108*
(Model M670i)
60 to 180**
(Model M675i)
-
9
-
6739i
55
36 to 108*
(Model M670i)
60 to 180**
(Model M675i)
-
9
-
6753i
-
36 to 108*
(Model M670i)
6***
9
-
6755i
6 Bottom Keys
36 to 108*
(Model M670i)
60 to 180**
(Model M675i)
6 Top Keys
9
-
6757i
12 Top and
Bottom Softkeys
36 to 108*
(Model M670i)
60 to 180**
(Model M675i)
-
9
-
6757i CT
12 Top and
Bottom Softkeys
36 to 108* on Base
Station
60 to 180** on Base
Station
(Model M675i)
-
9
15