📦 Description: 
The Grandstream GHP621 is a compact IP phone designed for hotels, hospitals, apartments, and enterprise deployments. It provides 1 SIP account with 2 lines, a 2.4‑inch color LCD, and integrated Wi‑Fi (2.4GHz & 5GHz) for flexible installation. With support for PoE, advanced provisioning, and compatibility with Grandstream’s GDMS cloud management, it ensures reliable and scalable communication.

⚙️ Details:

• Product: IP Network Telephone
• Brand: Grandstream Networks
• Model: GHP621
• Lines / Accounts: 2 lines, 1 SIP account
• Display: 2.4‑inch color LCD
• Connectivity:
  • 1 × 10/100 Mbps Ethernet (PoE supported)
  • Dual‑band Wi‑Fi (2.4GHz & 5GHz)
• Audio: HD voice, full‑duplex speakerphone
• Features:
  • 3 programmable keys
  • 10 speed dial keys
  • 2 SIP lines with call hold, transfer, forward, 3‑way conference
  • Integrated provisioning via TR‑069, XML, or GDMS cloud
• Power: PoE or micro‑USB adapter
• Application: Hotels, hospitals, apartments, enterprise IP telephony