Unified Messaging System (Mailbox)
Model No. Activation Key Type Description Maximum Mailboxes
KX-NSU201 UM/E-mail 1 User Allows the use of an e-mail
(IMAP4) client and e-mail
notification (voice) for 1 user.
500 mailboxes
KX-NSU205 UM/E-mail 5 Users Allows the use of an e-mail
(IMAP4) client and e-mail
notification (voice) for 5 users.
KX-NSU210 UM/E-mail 10 Users Allows the use of an e-mail
(IMAP4) client and e-mail
notification (voice) for 10 users.
KX-NSU220 UM/E-mail 20 Users Allows the use of an e-mail
(IMAP4) client and e-mail
notification (voice) for 20 users.
KX-NSU299 UM/E-mail All Users Allows the use of an e-mail
(IMAP4) client and e-mail
notification (voice) up to the
system’s limit.
Feature Guide References for Related Features of Activation Keys
• 3.2.1.28 Message Waiting Notification—E-mail Device
• 3.3.1 Integration with Microsoft Outlook
• 3.3.2 IMAP Integration
Unified Messaging System (Two-way Recording/Two-way Transfer Users)
Model No. Activation Key Type Description Maximum Users
KX-NSU301 2way REC 1 User Allows the use of Two-way
Recording/Two
-way Transfer for
1 user.
The same number as
the maximum number
of allowable extensions
KX-NSU305 2way REC 5 Users Allows the use of Two-way
Recording/Two
-way Transfer for
5 users.
KX-NSU310
2way REC 10 Users Allows the use of Two-way
Recording/Two
-way Transfer for
10 users.
KX-NSU320
2way REC 20 Users Allows the use of Two-way
Recording/Two
-way Transfer for
20 users.
KX-NSU399
2way REC All Users Allows the use of Two-way
Recording/Two
-way Transfer up
to the system’s limit.
64 Installation Manual
3.1.1 Type and Maximum Number of Activation Keys