Support everyday business calling with a desk phone designed for consistent performance and straightforward deployment. The Poly Edge E400 gives IT teams the flexibility to power the device through PoE or the included power supply, which is useful in offices where switch capacity, cabling, or desk layouts vary by location. For organizations standardizing voice endpoints, this model fits cleanly into managed UC environments where reliability and predictable installation matter. The form factor is suited to shared workspaces, reception areas, and employee desks that need a dedicated phone without unnecessary complexity. By pairing network power options with a business-focused design, it helps reduce installation friction while keeping the user experience familiar. Choose this model when you want a practical desk phone that supports structured rollouts and avoids the compromises of lower-tier hardware. It is a strong fit for teams that value stable telephony, easier provisioning, and a device that can be deployed consistently across sites.