Expansion Stages and System Capacity
Max. number... SMBC AIN with SMBC as Master
Abbreviated dialling numbers +
PISN users
4000 4000
Operator keys per phone on Mitel
6800/6900 SIP
10
14
10
6
Room keys on Mitel 6873 SIP Mitel
6940 SIP (inclusive expansion
keypad)
200 200
Line keys per key telephone
(except Mitel 6800/6900 SIP)
39 39
Line keys per key telephone on
Mitel 6800/6900 SIP
2...12
15
2...12
g
Line keys per CDE on Mitel
6800/6900 SIP
8
16
8
h
Total line keys on Mitel 6800/6900
SIP
see
17
see
i
Switch groups 50 50
Positions per switch group 3 3
14
Only 6 on Mitel 6940 SIP Mitel 6873 SIP if phone is also used as reception phone.
15
Depending on the phone type: Aastra 6730i/31i: 6 keys; Mitel 6735/37/39/53/55/57 SIP: 9 keys; Mitel 6863 SIP: 2 keys; Mitel 6865/67
SIP: 9 keys; Mitel 6869/73 SIP: 12 keys; Mitel 6900 SIP: 12 keys
16
The value applies to CDE with destination KT line. With MiVoice Office 400 multiple destinations (User + KT or KT + UG) the value is
reduced to 4.
17
Depending on the highest number of line keys, configured for the same line. The following pairs apply (line keys per line / total
line keys): (16/48), (14/56), (12/72), (10/100), (8/160), (6/240), (4/320), (2/400).Example: The following line keys are configured on
different Mitel SIP phones: 8 keys for line 1, 14 keys for line 2, 10 keys for line 3, 10 keys for line 4.
Highest number of keys per line: 14
total 56 line keys are allowed
Configured line keys: 8 + 14 + 10 + 10 = 42 -> OK
Release 7.1
59 System Manual for Mitel SMB Controller