Hi Michael,

Just to add a note to the great info from Tommer. Here is the related Unity 5.x info;

Limits on a Cisco Unity Demonstration System

Depending on the type of license file you use-Default License File or Time-Limited License File-the Cisco Unity demonstration system will have the limits listed below.

Default License File

10 languages

2 RealSpeak text-to-speech (TTS) sessions

10 mailboxes for one of the following subscriber types:

-Unified Messaging (UM) subscribers

-Voice Messaging (VM) subscribers

10 Cisco Unity Inbox subscribers

2 voice ports

2 voice-recognition sessions

30-second limit for messages

The ability to integrate with any supported phone system

Time-Limited License File

The time-limited license enables either Unified Messaging (UM) or Voice Messaging (VM) with the following limitations:

UM feature package

-50 UM subscribers with 16 sessions

-2 RealSpeak text-to-speech (TTS) sessions

-2 languages

-AMIS

-16 voice ports

-2 voice-recognition sessions

VM feature package

-50 VM subscribers with 16 sessions

-2 RealSpeak text-to-speech (TTS) sessions

-2 languages

-25 Cisco Unity Inbox users

-16 voice ports

-2 voice-recognition sessions

The time-limited license includes the following additional limitations:

Time limit (after which Cisco Unity stops handling calls)

-60 days

-90 days

Only one license file on the Cisco Unity server is permitted

Non-renewable

Locked to the specific MAC address of the network interface card (NIC) on the Cisco Unity server

The ability to integrate with any supported phone system

From this good doc;

http://www.cisco.com/en/US/docs/voice_ip_comm/unity/5x/release/notes/501curelnotes.html#wp42815

Hope this helps!

Rob