Collaboration
MiCollab Advanced Messaging
MiCollab Advanced Messaging (formerly OneBox) provides enterprise voicemail, auto attendant, fax mail, and unified messaging for Mitel telephony platforms including MX-ONE.

Unified voicemail, attendant, and fax
Connects via SIP to the call manager with MWI and message diversion integration. Users access messages via phone TUI, web UI, mobile, or directly from their email inbox.
Features
- Voice mail with SMS, email, and MWI notifications
- Multi-language auto attendant for inbound call processing
- Fax mail: create, send, receive, and manage faxes from desktop
- Unified messaging integration with major email platforms
- Web-based voicemail management interface
- Telephone user interface (TUI) with menu-driven access
- SIP extension connectivity to MX-ONE and other platforms
- FaxUtil mailbox with routing, forwarding, and delegation
- RightFax integration for enterprise fax workflows
- Redundant, secure voice messaging architecture
Key benefits
- Unified voicemail, attendant, and fax in one platform
- Access messages from phone, web, mobile, or email inbox
- Full auto-attendant reduces live operator load
- Email integration for true unified communications
- Upgrade path from legacy OneBox versions via Software Assurance
Related products
MiTeam MeetingsCloudLink-based video meetings with seamless voice, video, chat, and file sharing — standalone or integrated with MiCollab.MiCollabVoice, video, chat, SMS, web conferencing, and team messaging in one platform — accessible from desk phone, softphone, web, or mobile.MiTeamWork-stream collaboration tool providing persistent team spaces for chat, files, to-do lists, and meetings within MiCollab.Mitel InAttendScalable SIP-based attendant application for high-volume call handling with rich presence, directory search, and calendar integration.