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Grandstream GHP621 Hotel IP Phone, 2 SIP Lines, PoE, 6 Programmable Keys, USB-C, Black

Part number GHP621
  • 2 SIP accounts, 2 lines with an HD speaker on the handset
  • 6 programmable keys and 10 speed dial keys
  • 3-way audio conferencing for easy conference calls
  • Includes one 100Mbps network port with PoE
  • Swappable faceplate to allow for easy logo customization
  • USB Type-C port for charging external devices (500mA max)
  • GDMS online device management and provisioning
  • Enterprise-level protection including secure boot
IP Phone SIP PoE HD Voice Hotel Phone Grandstream
Price
⃁ 163.13 ⃁ 163.13 ⃁ 212.41 Save 23%
⃁ 163.13 ⃁ 212.41
(Tax excluded)
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  • Delivery within 4–10 business days across Saudi Arabia
  • Warranty according to the manufacturer
  • Tax invoice with every order
  • Technical support before and after purchase

Not sure this model fits your setup? Read the buying guide

Official datasheetGrandstream_GHP621_Datasheet.pdf Download

Overview of Grandstream GHP621

The Grandstream GHP621 is an easy-to-use black hotel IP phone that can be programmed and customized to the needs of hotels and their guests. It offers an HD speaker, 2 SIP accounts/lines, 6 programmable keys, 10 speed dial keys and 3-way conferencing, plus the full-band Opus codec and a jitter-resilience algorithm that tolerates up to 30% packet loss. It is powered by PoE through its 10/100 Mbps Ethernet port, so a single cable delivers both network and power. A USB Type-C port charges guests' devices, and the swappable faceplate allows logo customization. Managed through GDMS, it fits hotel rooms, serviced apartments, dormitories, hospitals and retail.

Technical Specifications – Grandstream GHP621

Protocols & Network

SIP ProtocolsSIP RFC3261, TCP/IP/UDP, RTP/RTCP, RTCP-XR, TLS, SRTP
Network ProtocolsIPv4, IPv6, HTTP/HTTPS, ARP, ICMP, DNS (A record, SRV, NAPTR), DHCP, SSH, TFTP, NTP, STUN, LLDP, TR-069, 802.1X
Network InterfacesOne auto-negotiation 10/100 Mbps ethernet port integrated PoE Class 2
QoSLayer 2 QoS (802.1Q, 802.1p) and Layer 3 (ToS, DiffServ, MPLS) QoS

Hardware

Feature Keys26 keys, including 6 programmable keys; 12 standard phone digit keys (0-9: speed dial keys configuration on web page, *, #); 5 function keys (Flash, Redial, Hands-free, Voice Mail, Hold); 3 volume control keys, Up/Down/Mute (with red color LED)
USBUSB Type-C port for charging external devices (500mA MAX)
Wall Installation1 Wall Mountable Base
Antimicrobial CasingAntimicrobial casing according to ISO 22196:2011 testing

Audio & Telephony

HD AudioOne HD handset support for wide band audio
Voice Conferencing2 SIP accounts and lines, up to 3-way conference
Voice Codecs and CapabilitiesSupport for G.729A/B, G.711µ/a-law, G.726, G.722 (wide-band), G.723.1, iLBC, and full band Opus; in-band and out-of-band DTMF (in audio, RFC2833, SIP INFO), VAD, AEC, CNG, PLC, AGC, AJB
Telephony FeaturesDial, Answer, Transfer, Conference, Redial, Flash, Hands-free, Voice Mail (with the server), Hold/Unhold, Mute/Unmute, flexible dial plan, Speed dial, server redundancy & fail-over, Call out
Advanced FeaturesSupport for multicast paging and E911 service; advanced jitter-resilience algorithm; GDS door opening

Security & Management

SecuritySecure boot, random default password, unique security certificate per device, administrator level passwords, 256-bit AES encrypted configuration file, SRTP, TLS, 802.1X media access control
Multi-languageEnglish and Chinese
Upgrade/ProvisioningFirmware upgrade via FTP/TFTP/HTTP/HTTPS, fast boot in 15 seconds, mass provisioning using GDMS/TR-069 or AES encrypted XML configuration file
Device ManagementYes, GDMS

Power & Environment

PowerPoE (integrated, Class 2)
Operating Temperature0°C to 40°C
Storage Temperature-10°C to 60°C
Humidity10% to 90% (Non-condensing)

Physical

ColorBlack
Dimensions210mm (L) x 132mm (W) x 89.8mm (H) (with handset and base stand)
Unit Weight560g
Package Weight860g
Package ContentGHP621 phone, handset with cord, Base Stand, faceplate, Quick Installation Guide
ComplianceFCC: Part 15 Subpart B, Class B; Part 68. 316/317. CE: EN 55032; EN 55035; EN IEC 61000-3-2; EN 61000-3-3; EN IEC 62368-1. UKCA: BS EN 55032; BS EN 55035; BS EN IEC 61000-3-2; BS EN 61000-3-3; BS EN 62368-1. RCM: AS/NZS CISPR32; AS/NZS 62368.1; AS/CA S004. IC: ICES-003; CS-03 Part V.

Source: Grandstream official website and datasheet. Specifications are subject to change by the manufacturer.

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PRACTICAL ANSWERS

IP phone questions

How do I choose an IP phone for an employee?

Start with the person’s daily call workflow, required keys, headset use and desk connectivity. Check the exact model against the PBX and provisioning method rather than selecting only by screen size or appearance.

Does an IP phone need a separate power adapter?

Check the phone’s supported power options, what is included in the package and the capabilities of the connected switch. Confirm that the complete proposed arrangement can power every phone, not just a single test device.

Will my headset work with the new phone?

Compare the headset and phone model numbers, connector type and any required adapter or call-control support. Ask to test answering, ending and muting a call with the intended combination before equipping a team.

Can a phone be used by a remote employee?

Confirm the PBX’s supported remote deployment method and the employee’s network requirements. Plan secure provisioning and support responsibilities; do not expose administration interfaces or assume a phone can be moved without configuration.

How should I compare phone models for a reception desk?

List the extensions the receptionist handles, the required transfer workflow and any need for expansion keys or a headset. Evaluate the full workflow with the PBX, including the features actually licensed and supported.

What should I check before deploying many IP phones?

Test a small representative group first, then review network ports, power, provisioning, user labels and the rollback plan. Keep an inventory linking each physical device to its intended user or location.

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