Grandstream IP Phone GXP1620, No POE Support

A reliable 2‑line, 2‑SIP account desktop IP phone tailored for small-to‑medium business use. Delivers high-quality HD audio, essential telephony features, and integrated provisioning tools—all powered by Linux. Requires external power (no PoE).

Grandstream IP Phone GXP1620, No POE Support Specifications

• Lines & Accounts: 2 lines, 2 SIP accounts, 2 call appearances

• Display & Keys: 132×48 backlit LCD, 3 XML soft keys, 13 fixed-function keys

• Audio Quality: HD wideband audio with echo cancellation (handset & speakerphone)

• Network Interfaces: Dual auto-sensing 10/100 Mbps Ethernet ports (no PoE)

• Codecs: G.711, G.722, G.723, G.726‑32, G.729A/B, iLBC; DTMF via RFC2833, SIP INFO

• Telephony Functions: Hold, transfer, forwarding, 3‑way conferencing, call park/pickup, SCA/BLA, hot desking, call history (200), phonebook (500‑1,000 entries), redial, paging/intercom, recording, voicemail message light

• Headset Support: RJ9 jack with EHS for Plantronics

• QoS & Security: 802.1Q/P, ToS, DiffServ, MPLS QoS; TLS, SRTP, HTTPS, 802.1x, AES‑256 config encryption, MD5 authentication

• Provisioning/Upgrades: TFTP/HTTP/HTTPS, TR‑069, encrypted XML mass provisioning

• Physical: 209×184.5×76 mm; 0.73 kg; wall-mountable with two-angle stand

• Power: External PSU (100–240 VAC to 5 V DC @600 mA)

• Enviro Range: 0–40 °C operating; -10–60 °C storage; 10–90% humidity