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• OpenScape Business V3, OpenScape Business S, Installation Guide

  Version: 3.0 | Language: EN | Updated: 04-29-2026

• OpenScape 4000 V11, Volume 4: IP Solutions, Service Documentation

  Version: 11.0 | Language: EN | Updated: 04-29-2026

• IP48x Desktop Phone and MiVoice Business Interoperability Guide

  Version: All Releases | Language: EN | Updated: 04-29-2026

• IP48x Desktop Phone and MiVoice Business Interoperability Guide

  Version: All Releases | Language: EN | Updated: 04-29-2026

• Mitel Administration for MiVoice Business Release Notes (HTML)

  Version: All Releases | Language: EN | Updated: 04-28-2026