| Brand | Grandstream |
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| Product code | GHP630 |
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| Display | 3.5" High-Resolution (480x320) Color LCD |
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| SIP accounts / lines | 2 SIP accounts, 2 lines |
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| Network | One auto-negotiation 10/100 Mbps ethernet port, integrated PoE Class 2 |
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| Wi-Fi — GHP630W / GHP631W only | Integrated dual-band 2.4GHz & 5GHz 802.11 a/b/g/n/ac/ax Wi-Fi 6 |
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| Wi-Fi — GHP630 / GHP631 | No Wi-Fi |
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| PoE | Yes, integrated (GHP630 / GHP631) |
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| Power — W models | Universal power adapter, input 100–240Vac 50–60Hz, output 12V/0.5A (6W); also USB Type-C charger |
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| USB | 1 USB Type-C port for charging external devices (500mA MAX) |
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| Feature keys | 26 keys, including 6 context-sensitive soft keys, 12 standard phone digit keys (0-9, *, # — speed-dial configurable on web page) |
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| Feature keys (continued) | 5 function keys (Flash, Redial, Hands-free, Voice Mail, Hold), 3 volume control keys (Up/Down/Mute, with red colour LED) |
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| Speed-dial keys | 10 speed-dial keys |
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| Voice conferencing | 2 SIP accounts and lines, up to 3-way conference |
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| Voice codecs | G.729A/B, G.711µ/a-law, G.726, G.722 (wide-band), G.723, iLBC, full-band Opus |
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| Voice codecs (continued) | In-band and out-of-band DTMF (in audio, RFC2833, SIP INFO), VAD, AEC, CNG, PLC, AGC, AJB |
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| HD audio | HD speaker on the handset; HD handset, wide-band audio |
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| Voice quality | Advanced jitter-resilience algorithm that tolerates up to 30% packet loss without impacting voice quality |
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| Hearing aid compatibility | Yes (HAC) |
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| Device management | Yes, GDMS (online device management and provisioning) |
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| Security | Enterprise-level protection including secure boot |
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| Custom faceplates | No (GHP630 comparison column; other columns not exposed) |
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| Colour | White (GHP630, GHP630W), Black (GHP631, GHP631W) |
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| Mounting | Desktop or wall-mounted |
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| Dimensions | 210mm (L) x 147mm (W) x 89.8mm (H), with handset and base stand |
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| Unit weight | 601g (GHP630 / GHP631), 658g (GHP630W / GHP631W US), 668g (GHP630W / GHP631W World) |
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| Package contents | GHP phone, handset with cord, base stand, universal power supply (GHP630W, GHP631W), faceplate, Quick Installation Guide |
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| Warranty | Manufacturer warranty |
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