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Unified Messaging Service (UMS)

Unified Messaging Service (UMS) provides the integration of VoiceMail Pro with email systems. A very simple installation and configuration process enables users to manage their voicemail messages by using the device of their choice including email clients or mobile devices. UMS is licensed on a per-user basis as part of the IP Office Power User, Teleworker and Office Worker.

Depending on the existing infrastructure UMS can be integrated with IMAP-based email solutions as well as with Microsoft Exchange Server 2007 environments.

Voicemail Synchronization via IMAP

Email applications such as Outlook which support IMAP can connect to an IMAP server integrated with the VoiceMail Pro server.

VoiceMail Pro will deliver new voicemail messages by using the voicemail to email capability.


New voicemails arrive as emails with a .WAV attachment and the user can handle them like any other email. If a voicemail has been listened to, its status will change to "read", independent of the device that has been used to access the voicemail. If the user deletes it, it will be deleted everywhere.

Users that have UMS access enabled just need to add an additional email account to their email client to be able to use the unified messaging features. No additional client software installation is required.

The instructions how to add this account and configure the web address for the VoiceMail Pro Web Access can be provided by an administrator by email without the need for system administration or external support.

VoiceMail Pro UMS Web Access

The second interface UMS offers to the users is a web interface allowing voicemail access via a web browser, such as Internet Explorer or Mozilla Firefox, with the ability to listen to targeted voicemails by using either the PC’s multimedia equipment or the desk phone.


UMS Web Access requires the VoiceMail Pro installation to be on a server with IIS pre-installed. In addition, the VoiceMail Pro UMS Web Access option must be selected during installation.

Once installed, the system will require the following additional configuration:

IP Office Power User licenses (for the number of users that will be configured to use UMS).
Users selected for UMS support must be enabled by the system administrator in IP Office Manager.
Each user must have a voicemail PIN code (a blank PIN is not acceptable).

Integration with Microsoft Exchange Server 2007

As part of UMS, VoiceMail Pro can integrate with the Exchange Server 2007 from Microsoft. Each user with UMS enabled can be configured to use either the IMAP capability (see above) or the Exchange integration. If the Exchange option is selected all voicemails of the user will be forwarded and stored into the Exchange 2007 message store instead of the VoiceMail Pro message store. VoiceMail Pro is able to deliver new voicemails to Exchange formatted as ‘voicemail’ which enables Exchange to handle them differently from standard emails. If used in combination with a mobility solution voicemails can be managed using the visual voicemail user interface of the mobile device (e.g. Blackberry).

The following diagram illustrates the two possible ways of integrating with either a standard IMAP-based email system or with an Exchange Server 2007 email system.

voicemail ums

Both scenarios can exist in parallel on the same system but only one option can be configured for one user.

A voicemail stored in the Exchange message store can be retrieved by VoiceMail Pro and made accessible for all communication devices (as shown in the diagram above).

Earlier versions of Microsoft Exchange Server are supported by using the IMAP integration described above.

© 2010 AVAYA
15-601041 Issue 20.f.-
18:15, 25 February 2010

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Last Modified: 11/01/2010