# Embedded Voice Mail Capacities

Parameter | Capacity
Voice mail ports | MiVoice Business on ISS: 120 MiVoice Business Virtual: 120 AX: 20 CX II: 16 MXe III: 30 EX: 30 (programmed in the VM Port Capacity form) (See Note 1)
Mailboxes | 750 appliances (up to 5000 on servers) 5000 on Container-based MiVoice Business (cMiVB)
Number of messages per mailbox | 100
Disk space for voice mail files | 14 GB with 60 GB or larger HDD/SSD on MXe III (See Note 2) 13 GB with 32 GB SSD on CX II 4 GB with 16 GB flash card on AX (see Note 3) 8 GB on Container-based MiVoice Business (cMiVB)
Hours of voice storage | 450 hours with 13-14 GB partition on controllers with conventional (spinning) hard drives (130 if backup is required) 130 hours with 4 GB partition on CXi (II) with 16 GB SSD or on AX with 16 GB compact flash installed(30 if backup is required) (see Note 3) 250 hours on Container-based MiVoice Business (cMiVB) (see Notes 4 and 5)
Concurrent voice mail or auto attendant sessions | 30 120 for Container-based MiVoice Business (cMiVB)
Auto-attendant Levels | 10
Prompt languages (See Note 4) | Arabic, Dutch, English (North America), English (UK), Farsi, French (Canada), French (Europe), German, Italian, Mandarin, Portuguese (Europe), Spanish (Europe), Spanish (Latin America), Flemish, Turkish, Hebrew, Russian.

NOTES

1. The default number of supported ports for any controller is listed in the Embedded Voice Mail - Default Settings form. To increase this number, a reduction in other system functions might be required. In some cases, it might be necessary to reduce the number of ports below the default settings. See the MiVoice Business Engineering Guidelines and the System Engineering Tool for resource allocation.

2. The amount of disk space available for voice mail backup on controllers with conventional (spinning) drives is 4 GB. Messages must be deleted to reduce the overall voice mail file size to this amount before attempting a backup.

3. The 16 GB solid state drive or compact flash can support 100 hours of voice mail messages with no backups. Maximum backup capacity is 33 hours, which in a 100-user system works out to 26 voice mails lasting about 20 minutes each per user. For more capacity, use a spinning drive.

4. Although, 250 hours of storage is available, you can only backup 80 hours of storage. It is recommended to reduce the voice mail storage to 80 hours prior to backup.

5. The following table provides the average storage time per user and average number of messages per user for various user deployments.

   User deployment | Average storage time per user in minutes | Average number of message per user (assuming the length of a message to be 30 seconds)
   5000 | 3 | 6
   2500 | 6 | 12
   1000 | 15 | 30
   500 | 30 | 60
   250 | 60 | 120

6. The voice mail capacity of 4 GB on AX and CX II controllers provides a limited amount of storage space for messages and prompts (see table below).

   AX and CX II Controller Voice Mail Storage Space
   Capacity | 25 users | 50 users | 100 users | 200 users | 300 users | 400 users
   4 GB | 122 hours | 120 hours | 117 hours | 110 hours | 103 hours | 97 hours

Related Topics

- About Voice Mail

- Additional Documentation

- Default Settings

- Program Embedded Voice Mail