Grand Stream GRP2650 Professional IP Phones

The Grand stream GRP2650 is a flagship 14‑line, carrier-grade IP phone built for execs, receptionists, and enterprise-class deployment, featuring a 5″ HD color display, 56 programmable keys, integrated Wi‑Fi 6, Bluetooth, dual Gigabit PoE ports, HD audio with noise shield, and centralized provisioning via GDMS.

Grand Stream GRP2650 Professional IP Phones Specifications

• Lines & SIP Accounts: 14 physical lines with support for up to 6 SIP accounts

• Display: 5.0″ HD color (1280×720) LCD touchscreen

• Programmable Keys: 56 dual‑color multi-purpose keys across 4 pages, plus 6 softkeys and 9 feature keys

• Audio Codecs: G.711, G.722, G.729A/B, G.726, G.723, iLBC, OPUS

• Speakerphone: Full‑duplex HD audio with https://www.city.co.ke dual-microphone noise shield

• Ethernet & PoE: Dual auto‑sensing 10/100/1000 Mbps ports with integrated PoE (802.3af)

• Wi‑Fi: Built-in dual-band Wi‑Fi 6 (2.4/5 GHz; 802.11a/b/g/n/ac/ax)

• Bluetooth: Integrated for headset pairing and mobile syncing

• USB & Headset Support: USB‑A port for headsets; RJ9 jack with EHS supporthttps://www.city.co.ke

• Security: Secure boot, dual firmware images, encrypted config storage, TLS/SRTP, 802.1x, AES‑256

• Provisioning: GDMS zero-touch provisioning, TR‑069, encrypted XML support, HTTP/HTTPS/FTP/TFTP updates

• Call Features: Call park/pickup, hold, transfer, forward, shared-line appearance, 5‑way conferencing

• Directory & Logs: LDAP/XML phonebook up to 2000 entries; call history up to 2000 records

• Extension Modules: Supports up to 4 GBX20 sidecars (160 total contacts)

• QoS Standards: Layer 2 (802.1Q/P) & Layer 3 (ToS, DiffServ, MPLS) support

• Power Consumption: 12V DC adapter (~6.2 W) or PoE (~6.2 W max)

• Physical Dimensions: 263 × 210 × 82 mm; approx. 1050 g

• Mounting Options: Adjustable base stand (2 positions); optional wall-mounting

• Environmental: 0–40 °C operating; 10–90% non‑condensing humidity

• Language Support: Multi-language UI covering major global languages