Grandstream GS-GXP1780 Mid-Range IP Phone with 8 Lines

The Grandstream GXP1780 IP Phone is designed for growing businesses that need robust call handling and productivity features at a competitive price. It supports 8 lines with 4 SIP accounts, offering visibility via 8 dual‑color line keys and 4 XML‑programmable soft keys—all on a clear 200 × 80 pixel backlit LCD.

Built for performance, the GXP1780 delivers wideband HD audio, full‑duplex speakerphone, and 5‑way conferencing. It includes a USB port for data import/export and supports EHS-compatible Plantronics headsets via RJ9. Deployment is fast with PoE power plus TR‑069 or encrypted XML zero‑config provisioning—ideal for Grandstream UCM systems.

Security is enterprise-grade with TLS/SRTP encryption and a Kensington security slot to prevent theft. This model maintains up to 2,000 contact entries and 500 call history records, offering scalability and ease of use for dynamic teams.

 Key Features

• 8 lines with 4 SIP accounts via 8 dual‑color line keys

• 4 XML‑programmable soft keys

• 32 BLF/speed‑dial keys for efficient call management

• 200×80 pixel backlit LCD display

• HD wideband audio, full‑duplex with echo cancellation

• 5‑way local audio conferencing

• Built‑in PoE with dual 10/100 Mbps Ethernet ports

• USB port for data import/export

• EHS support for Plantronics headsets (RJ9)

• TLS and SRTP encryption, plus Kensington lock slot

• Auto‑provisioning: TR‑069, AES-encrypted XML, zero‑config

• Large capacity: up to 2,000 contacts & 500 call logs

• Wall‑mountable with adjustable desktop stand

• Multi‑language interface