Grandstream GHP620 Compact Hotel Phone
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- Brand Store: Grandstream
- Model: Grandstream GHP620
- Availability: In Stock
- Part No: GHP620
Key features
2 SIP Accounts, 2 Lines
GDMS online device management and provisioning
3-way audio conferencing for easy conference calls
GHP620W/GHP621W integrated dual band (2.4GHz and 5GHz) Wi-Fi 6 (802.11a/b/g/n/ac/ax) - hardware version 5.0 and above
Includes one 100Mbps network port with PoE
Swappable faceplate to allow for easy customization
GDMS online device management and provisioning
3-way audio conferencing for easy conference calls
GHP620W/GHP621W integrated dual band (2.4GHz and 5GHz) Wi-Fi 6 (802.11a/b/g/n/ac/ax) - hardware version 5.0 and above
Includes one 100Mbps network port with PoE
Swappable faceplate to allow for easy customization

Grandstream Grandstream GHP620
| Attribute | Details |
|---|---|
| Protocols / Standards | SIP: SIP RFC3261, TCP/IP/UDP, RTP/RTCP, RTCP-XR, TLS, SRTP Network: IPv4, IPv6, HTTP/HTTPS, ARP, ICMP, DNS (A/SRV/NAPTR), DHCP, SSH, TFTP, NTP, STUN, LLDP, TR-069, 802.1X |
| Network Interfaces | 1 x auto-negotiation 10/100 Mbps Ethernet port with integrated PoE (Class 2) |
| Wi-Fi | GHP620W / GHP621W: Integrated dual-band Wi-Fi 6 (2.4GHz & 5GHz), IEEE 802.11 a/b/g/n/ac/ax |
| Feature Keys | 26 total keys including: • 6 programmable keys • 12 standard phone digit keys (0–9, *, #) • 5 function keys: Flash, Redial, Hands-free, Voice Mail, Hold • 3 volume control keys (Up / Down / Mute with red LED) |
| HD Audio | HD handset with wideband audio support |
| Voice Conferencing | 2 SIP accounts / lines, up to 3-way conference |
| Voice Codecs & Capabilities | G.729A/B, G.711 /a-law, G.726, G.722 (wideband), G.723.1, iLBC, full-band Opus In-band & out-of-band DTMF (RFC2833, SIP INFO), VAD, AEC, CNG, PLC, AGC, AJB |
| Telephony Features | Dial, Answer, Redial, Flash, Hands-free, Voice Mail (server-based), Transfer, Conference, Hold/Unhold, Mute/Unmute, flexible dial plan, speed dial, server redundancy & fail-over, call out |
| Advanced Features | Multicast paging, E911 support, GDS door opening support, advanced jitter-resilience algorithm |
| USB | USB Type-C port for charging external devices (500mA max) |
| Wall Installation | Wall-mountable base included |
| QoS | Layer 2 QoS (802.1Q, 802.1p) and Layer 3 QoS (ToS, DiffServ, MPLS) |
| Security | Secure boot, random default password, unique security certificate per device, administrator-level passwords, 256-bit AES encrypted configuration, SRTP, TLS, 802.1X media access control |
| Multi-language Support | English, Chinese |
| Upgrade / Provisioning | Firmware upgrade via FTP / TFTP / HTTP / HTTPS, fast boot (≈15 seconds), mass provisioning via GDMS / TR-069 or AES-encrypted XML |
| Antimicrobial Casing | Antimicrobial casing compliant with ISO 22196:2011 |
| Power & Energy Efficiency | Universal power adapter (GHP620W / GHP621W): Input: 100–240VAC, 50–60Hz Output: 12V / 0.5A (6W) |
| Temperature & Humidity | Operating: 0C to 40C Storage: -10C to 60C Humidity: 10%–90% (non-condensing) |
| Package Contents | GHP phone, handset with cord, base stand, universal power supply (GHP620W / GHP621W), faceplate, Quick Installation Guide |
| Color | White (GHP620, GHP620W) Black (GHP621, GHP621W) |
| Physical Dimensions | 210 x 132 x 89.8 mm (with handset and base stand) |
| Compliance | FCC, CE, UKCA, RCM, IC (model-specific certifications for wired and Wi-Fi versions) |
Download Grandstream GHP620 Datasheet
| General | |
| Manufacturer | Grandstream |
|---|---|
| Model | Grandstream GHP620 |
| Manufacturer Part No | GHP620 |
| Compatible Country | Middle East, Africa, Iran, Dubai |
| Country of Origin | China |
| Price | AED 126 |



















