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SummitDNC

Free Tool

Phone System Sizer

Plan your VoIP deployment with handset counts, PoE port requirements, voice bandwidth estimates, and license cost comparisons — all in one tool.

Configure

Size Your VoIP Phone System

Add user groups, set handset types, and pick a license tier to get your deployment plan.

Group 1

Additional Phones

Lobby, breakroom, warehouse, etc.

Network Settings

License Tier

Why This Matters

VoIP Planning Done Right

A properly sized phone system means clear calls, no dropped connections, and predictable monthly costs.

Group-Based Planning

Size your phone system by department — desk phones for offices, cordless for warehouse, conference phones for meeting rooms.

PoE & Bandwidth Estimates

Know exactly how many PoE switch ports and how much dedicated voice bandwidth your deployment requires.

License Tier Comparison

Compare Basic, Standard, and Premium license tiers to find the right feature set and monthly cost for your team.

Related Services

Need help deploying your VoIP phone system? Our certified engineers handle provisioning, installation, and ongoing management.

Ready for a Professional VoIP Deployment?

Our VoIP specialists design, install, and manage complete phone systems with number porting, QoS tuning, and 24/7 support.

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