Description
Businesses that handle lots of calls every day need a phone that’s easy to use and simple to manage. The Grandstream GRP2670 delivers exactly that with 12 lines, a large 7-inch capacitive touchscreen, and built-in Wi-Fi 6 plus Bluetooth. IT teams and facilities managers love how GDMS makes mass deployment quick and painless, while HD audio and noise shield technology keep every conversation crystal clear—even in noisy environments.
The Telecom Spot Take
For IT directors, facilities managers, and business owners at small businesses and enterprises, the GRP2670 stands out as a true carrier-grade solution. Its 48 virtual multi-purpose keys and support for up to four GBX20 expansion modules give your receptionists and executives the tools they need to juggle calls without frustration. Zero-touch provisioning through GDMS means you can roll out dozens of phones across locations in minutes instead of hours. Add in Wi-Fi 6 flexibility, enterprise-level security, and energy-efficient design, and you get a phone that grows with your business while lowering long-term costs and headaches.
Key Features
- 12 lines and 16 SIP accounts – Handle high call volumes and multiple extensions without dropping important calls
- 7-inch (1024×600) capacitive touchscreen – Intuitive navigation and quick access to contacts, speed dials, and features for faster daily workflows
- Integrated dual-band Wi-Fi 6 (hardware version 5.0 and above) plus Bluetooth – Wireless freedom that cuts cabling costs and works perfectly in modern or temporary offices
- Full-duplex HD speakerphone with Noise Shield technology – Crystal-clear audio that blocks background noise so every call sounds professional
- 5-way audio conferencing – Hold productive team meetings right from the desk—no extra equipment needed
- Supported by Grandstream Device Management System (GDMS) – Zero-touch provisioning, monitoring, and updates from one central cloud dashboard
- Dual Gigabit Ethernet ports with PoE – Simple plug-and-play installation using existing network cabling
- Enterprise security features – Secure boot, dual firmware images, and encrypted data storage keep your communications protected
- RJ9 headset jack with EHS support and USB headset compatibility – Choose the headset style that fits your team’s needs
- Expandable with up to 4 GBX20 modules – Add up to 160 extra keys for busy reception or call-center desks
Technical Specifications
| Category | Details |
|---|---|
| Display | 7.0 inch (1024×600) capacitive touch screen TFT LCD |
| Lines | 12 lines |
| SIP Accounts | 16 SIP accounts |
| Network Interfaces | Dual switched auto-sensing 10/100/1000 Mbps Gigabit Ethernet ports with integrated PoE (802.3af) |
| Wi-Fi | Integrated dual-band (2.4 GHz and 5 GHz) Wi-Fi 6 (802.11a/b/g/n/ac/ax) – hardware version 5.0 and above |
| Bluetooth | Yes, integrated |
| Auxiliary Ports | RJ9 headset jack (EHS with Plantronics headsets), USB port for Grandstream GUV series and other USB headsets |
| Feature Keys | 5 navigation/menu keys; 9 dedicated function keys (MESSAGE with LED, TRANSFER, HEADSET, HOLD, MUTE, SEND/REDIAL, SPEAKERPHONE, VOL+, VOL–); 48 Virtual Multi-Purpose Keys (VPKs) |
| Voice Codecs | G.729A/B, G.711µ/a-law, G.726, G.722 (wide-band), G.723, iLBC, OPUS; In-band and out-of-band DTMF (In Audio, RFC2833, SIP INFO) |
| Telephony Features | Hold, transfer, forward, 5-way conference, call park, call pickup, SCA/BLA, downloadable phonebook (XML/LDAP up to 2000 items), call waiting, call log (up to 2000 records), XML customization, off-hook auto dial, auto answer, click-to-dial, flexible dial plan, hot-desking, personalized music ringtones, music on hold, server redundancy & fail-over |
| HD Audio | Yes – HD handset and speakerphone with wideband audio support |
| Extension Module | Yes – supports up to 4 GBX20 modules (160 extra contacts/extensions) |
| QoS | Layer 2 (802.1Q, 802.1P), 802.11e (WMM), Layer 3 (ToS, DiffServ, MPLS) |
| Security | User/admin passwords, MD5/MD5-sess authentication, 256-bit AES encrypted config file, SRTP, TLS, 802.1x, secure boot, dual firmware images, encrypted data storage |
| Upgrade/Provisioning | Firmware upgrade via FTP/TFTP/HTTP/HTTPS; Mass provisioning via GDMS/TR-069 or AES encrypted XML config file |
| Power | Universal 12V/1A power adapter included; PoE 802.3af; Max consumption 6.5W; IEEE 802.3az Energy-Efficient Ethernet |
| Physical | Dimensions: 267 × 220 × 82 mm; Unit weight: 1.1 kg; Package weight: 1.65 kg |
| Operating Conditions | 0°C to 40°C; 10–90% non-condensing humidity |
| Package Content | GRP2670 phone, handset with cord, phone stand, 12V power adapter, network cable, Quick Installation Guide, GPL license |
Comparison at a Glance
- vs GRP2650: Larger 7" touchscreen and Wi-Fi 6 built-in for wireless flexibility
- vs GRP2636: More lines and full touchscreen interface for higher call volumes
- vs older GXP models: Carrier-grade build, GDMS zero-touch management, and modern Wi-Fi 6
FAQ
How many calls can the GRP2670 handle at once?
It supports 12 lines and 16 SIP accounts plus 5-way conferencing, so receptionists and executives can juggle multiple calls effortlessly.
Does it work wirelessly?
Yes—integrated Wi-Fi 6 (on hardware version 5.0+) and Bluetooth let you skip Ethernet cables in most offices.
Is it easy to manage across multiple locations?
Absolutely. GDMS provides zero-touch provisioning, monitoring, and updates from one cloud dashboard.
Can I add more keys for a busy desk?
Yes—connect up to four GBX20 expansion modules for a total of 160 extra contacts or extensions.
What headsets are compatible?
RJ9 jack supports traditional headset models, and the USB port works with Grandstream GUV series plus most standard USB headsets.
Is the GRP2670 secure enough for enterprise use?
Yes—it includes secure boot, dual firmware images, 256-bit AES encryption, SRTP, TLS, and 802.1x for full enterprise protection.
Please see the Grandsteam GRP2670 Datasheet for more info!






