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Microsoft Teams Rooms Design Guide: AV, Network, and Cabling for Conference Rooms

Summit DNC EngineeringApril 10, 20268 min read

Microsoft Teams Rooms (MTR) has become the standard for enterprise video conferencing. But a great Teams Room experience depends on infrastructure — network, cabling, displays, and audio — not just the software license.

## Room Categories

### Focus Room (2-4 people) - Single 55-inch display - Soundbar with built-in camera and microphone - 1 network drop (for MTR compute) - USB-C connection for BYOD laptop

### Standard Conference Room (6-12 people) - Dual 65-75 inch displays - Ceiling microphone array (2-4 mic pods) - PTZ camera or intelligent framing bar camera - DSP (Digital Signal Processor) for audio management - 3-4 network drops (MTR compute, camera, DSP, spare)

### Boardroom (12-20 people) - Dual 85-inch displays or single LED video wall - 4-6 ceiling microphone pods with beamforming - Dual cameras (speaker tracking + room view) - DSP with acoustic echo cancellation - 6-8 network drops - Dedicated PoE switch in AV closet

## Network Requirements

Bandwidth per room:

- Teams video call: 4-8 Mbps per stream - Gallery view with 49 participants: ~12-15 Mbps - Content sharing: 2-5 Mbps additional - Total: 15-25 Mbps per active room

QoS marking:

- Audio: DSCP EF (46) - Video: DSCP AF41 (34) - Screen sharing: DSCP AF21 (18)

VLAN:

Dedicated AV VLAN for all Teams Room devices

## Cabling

  • Cat6A to every device (display, camera, MTR compute, DSP, ceiling mics)
  • HDMI 2.0 or USB-C for BYOD connectivity
  • CATx extenders for displays beyond 15 feet from the source
  • Conduit from AV closet to ceiling for mic pods (separate from power)

## Audio Design (Most Important)

Video quality is forgiven. Audio quality is not. Poor audio ruins every meeting: - Ceiling microphone pods with coverage overlapping by 20% - DSP with AEC (Acoustic Echo Cancellation) — essential for large rooms - Ceiling speakers for far-end audio (not display speakers) - Acoustic treatment: absorption panels on parallel walls to reduce reverb

Summit DNC designs and installs Microsoft Teams Rooms for businesses across Southern California — from the network drops and cabling to display mounting, audio DSP, and camera placement.

Microsoft TeamsVideo ConferencingAV DesignConference RoomCollaboration
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