Grand Stream GHP620 Hotel IP Phone

The Grandstream GHP620 is a compact, easy-to-deploy SIP hotel IP phone ideal for guest rooms, dormitories, healthcare, and similar hospitality settings. It supports dual SIP lines, central provisioning via Grandstream’s GDMS, and customizable speed-dial options. The GHP620W variant adds dual-band Wi‑Fi connectivity for flexible wireless deployment.

Grand Stream GHP620 Hotel IP Phone Specifications

• SIP Support: 2 SIP accounts, 2 concurrent lineshttps://www.city.co.ke

• Network Interface:

  • GHP620: 10/100 Mbps Ethernet with integrated PoE (Class 2)

  • GHP620W: Ethernet + built-in dual-band Wi-Fi (2.4GHz and 5GHz, 802.11 a/b/g/n/ac)

• Keypad Layout: 26 keys total

  • 12 numeric speed-dial keys (0–9, *, #)

  • 6 programmable function keys

  • 5 dedicated function keys (Flash, Redial, Hands-free, Voicemail, Hold)

  • 3 volume/mute keys with LED indicators

• Audio Features:

  • HD wideband audio through handsethttps://www.city.co.ke

  • Full-band Opus and G.722 codec support

• Conferencing: 3-way local audio conferencing

• Supported Codecs: G.711 µ/a, G.722, G.726, G.723, G.729A/B, iLBC, Opus

• Voice Processing Technologies: VAD, AEC, CNG, PLC, AGC, AJB, DTMF (in-band & out-of-band)

• Advanced Telephony Features:

  • Call hold, transfer, voicemail, mute, speed dial

  • Multicast paging, flexible dial plans, E911 support, door control integration

  • Server failover and jitter-resilience with support for up to 30% packet loss

• USB Port: USB Type-C (up to 500 mA) for guest device charging

• Security:

  • Secure boot, random default password, per-device certificate

  • AES-256 configuration encryption, TLS/SRTP voice encryption

  • 802.1x authentication

• QoS: Layer 2 (802.1p/Q VLAN) and Layer 3 (ToS, DiffServ, MPLS)

• Provisioning & Management:

  • GDMS and TR-069 support

  • Encrypted XML configuration

  • Firmware updates via FTP, TFTP, HTTP, or HTTPS

  • Dual firmware image support

  • Fast boot (~15 seconds)

• Language Support: English and Chinese

• Power Options:

  • Power over Ethernet (PoE)

  • 12V DC/0.5A adapter (approx. 6W max)

• Environmental:

  • Operating temperature: 0°C to 40°C

  • Storage temperature: –10°C to 60°C

  • Humidity: 10–90% (non-condensing)

• Physical Dimensions: Approx. 210 × 132 × 90 mm

• Weight:

  • GHP620: ~560 g

  • GHP620W: ~610–620 g

• Mounting: Wall or desktop mounting

• Accessibility: Hearing Aid Compatible (HAC)

• Compliance: Meets FCC, CE, UKCA, IC, and RCM standards