AVST first delivered CallXpress unified messaging solutions to Microsoft Exchange / Outlook® customers back in the late nineties when Exchange 4.0 and Outlook 97 were the contemporary versions. Although the CallXpress feature set has expanded significantly since then, AVST has continued to offer unified messaging and unified communications solutions to Microsoft customers as Exchange and Outlook have been continuously upgraded to their current 2007 versions. AVST currently has thousands of Microsoft Exchange customers using CallXpress unified messaging throughout the world.

Today, AVST offers the following Microsoft Exchange / Outlook applications:

• Desktop access to voice messages via Outlook Inbox — CallXpress voice messages play through custom Outlook forms that support playback and recording via local multi-media or a desktop telephone.
• Desktop faxing — CallXpress users receive fax messages in their Outlook Inbox, and send outgoing fax documents via Outlook.
• Telephone and speech access to e-mail — CallXpress users can listen to e-mails over the telephone using Text-to-Speech technology, as well as save, reply, forward, and delete e-mail messages via a telephone keypad or speech interface.
• Multi-modal reply and forward — CallXpress users reply to e-mail with a voice message, forward a voice message with a text introduction, create e-mail messages over the phone, etc.
• Contact dialing — CallXpress users place calls to telephone numbers stored in their contacts database using speech commands over the telephone, as well as click-to-call dialing from their desktop using Outlook Contacts or Inbox.
• Calendar access and management —s CallXpress users access and manage their calendar via a speech interface. Users can create calendar items, invite other users, accept and reject calendar requests, and access their current calendar items, all over the telephone.
• MWI on phone — CallXpress controls the message waiting indicator on the user's desktop phone, even when messages are stored and managed by Exchange.
• Notification — CallXpress notifies users of new voice, fax, and e-mail messages. CallXpress supports SMS, SMTP, callout and pager notification methods.
• Client and server based architecture — CallXpress supports four methods of unified messaging with Exchange regardless of whether customers choose to store all messages in Exchange, or keep voice messages stored in CallXpress and e-mail stored in Exchange.

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