Description
The Grandstream GRP2636 is the ideal 12-line IP phone for IT directors, facilities managers, and business owners who need reliable, scalable voice solutions that are simple to deploy across small offices or large enterprises. With 16 SIP accounts, 24 multi-purpose keys, integrated Wi-Fi 6, and full-duplex HD audio, it handles busy call volumes while keeping every conversation clear and professional. Zero-touch provisioning through Grandstream’s Device Management System (GDMS) means your team can configure and monitor phones in minutes instead of hours—no more manual setup headaches.
The Telecom Spot Take
At The Telecom Spot, we help customers like you streamline office communications without complexity. The GRP2636 shines for growing businesses because its GDMS support delivers true zero-touch provisioning and centralized monitoring, saving IT teams countless hours on mass deployments. The swappable faceplate lets you add custom logos quickly, while Wi-Fi 6 and dual Gigabit PoE ports give you flexible installation options in any workspace layout. The key feature of the GRP2636 is the 24 multi-purpose MPK extension keys with paper slots, perfect for the reception desk or executive suite. It’s the smart choice for anyone who wants professional performance at a competitive price.
Key Features
- 12 lines and 16 SIP accounts let you manage multiple simultaneous calls and extensions—perfect for reception areas, sales teams, or support desks that juggle high call volumes every day.
- 24 multi-purpose MPK extension keys with paper slots give instant access to BLF, speed dials, or shared lines so your team can transfer or monitor calls with one touch.
- Integrated Wi-Fi 6 (hardware v5.0+) and Bluetooth eliminate cable clutter and support flexible desk setups in modern or temporary offices.
- Dual Gigabit Ethernet ports with PoE deliver fast, reliable networking and power over a single cable—easy installation even in locations without nearby outlets.
- Full-duplex HD speakerphone with Noise Shield technology ensures crystal-clear audio on both ends, reducing background noise for more productive meetings and calls.
- 5-way audio conferencing lets you bring in colleagues or clients instantly without extra hardware or services.
- RJ9 headset jack (EHS with Plantronics) plus USB support keeps agents comfortable during long calls with their favorite headsets.
- Swappable faceplate makes branding or logo updates fast and professional—no tools required.
- Enterprise security features including secure boot, dual firmware images, and encrypted storage protect your communications and data.
Technical Specifications
| Category | Details |
|---|---|
| Lines & SIP Accounts | 12 lines, 16 SIP accounts |
| Display | 4.3-inch (480x272) TFT color LCD |
| 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 & 5 GHz) Wi-Fi 6 (802.11a/b/g/n/ac/ax) – hardware version 5.0 and above |
| Bluetooth | Yes, integrated |
| Feature Keys | 12 line keys, 24 MPK extension keys with paper slot, 5 XML programmable context-sensitive softkeys, 5 navigation/menu keys, 8 dedicated function keys (MESSAGE with LED, TRANSFER, HEADSET, HOLD, MUTE, SEND/REDIAL, SPEAKERPHONE, VOL+/VOL-) |
| Headset Ports | RJ9 (EHS with Plantronics) + USB (supports Grandstream GUV series and others) |
| Audio | Full-duplex speakerphone with HD audio, Noise Shield technology, dual microphones, wide-band support |
| Voice Codecs | G.729A/B, G.711µ/a-law, G.726, G.722 (wide-band), G.723, iLBC, OPUS; in-band & out-of-band DTMF |
| Telephony Features | Hold, transfer, forward, 5-way conference, call park/pickup, SCA/BLA, XML/LDAP phonebook (up to 2000 entries), call waiting/log (up to 2000 records), hot-desking, server redundancy & failover |
| Conferencing | 5-way audio conferencing |
| Management | Zero-touch provisioning via GDMS, TR-069, FTP/TFTP/HTTP/HTTPS, AES encrypted XML config |
| Security | Secure boot, dual firmware images, encrypted data storage, 256-bit AES config file, SRTP, TLS, 802.1x |
| Power | 12V/1A adapter (included) or PoE; max consumption 3.2W (adapter) / 4.3W (PoE); IEEE 802.3az Energy-Efficient Ethernet |
| Physical | 220mm × 210mm × 82mm; unit weight 880g; package weight 1260g |
| Operating Conditions | 0°C to 40°C, 10–90% non-condensing humidity |
| Package Content | GRP2636 phone, handset with cord, phone stand, 12V power adapter, network cable, Quick Installation Guide, GPL license |
Please see the Grandsteam GRP2636 Datasheet for more info!