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Item#: N82E16833553020

Grandstream GXP2120 6-line Executive HD IP Phone

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  • Dual switched 10/100Mbps Ethernet ports w/integrated Power-over-Ethernet (802.3af)
  • 10/100Mbps
  • Wired VoIP

  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

The GXP2120 Executive HD telephone features 6 lines, a generous 320x160 backlit graphical LCD, 4 XML programmable context-sensitive soft keys, 7 XML programmable BLF extension keys, dual network ports with integrated PoE, and 5-way conferencing. Delivering superior HD audio quality, rich telephony features, personalized information and customizable application services, the GXP2120 is the perfect choice for enterprise users looking for a high quality, feature rich multi-line executive IP phone with advanced functionalities and performance. The GXP2120 also supports automated provisioning for easy deployment, advanced security protection for privacy, and broad interoperability with most 3rd party SIP devices and leading SIP/NGN/IMS platforms.

Learn more about the Grandstream GXP2120




Wired VoIP


Support SIP (RFC3261), TCP/IP/UDP, RTP/RTCP, HTTP, ARP, ICMP, DNS (A record and SRV), DHCP(both client and server), PPPoE, TFTP, NTP
Dual switched 10/100Mbps Ethernet ports w/integrated Power-over-Ethernet (802.3af)
Generous 320x160 pixel backlit graphical LCD display with up to 8 level grayscale


Grandstream executive HD telephone

6 dual-color line keys (with 6 SIP accounts), 4 XML programmable context-sensitive soft keys, up to 5-way conferencing, and up to 13 call appearances with 7 dual-color BLF extension keys

HD wideband audio, superb full-duplex hands-free speakerphone with advanced acoustic echo cancellation and excellent double-talk performance

Support NAT traversal (STUN, etc), server fail-over, SIP presence (SIMPLE), and more

6 lines indicators with individual SIP account profiles

7 programmable hard keys and 4 XML programmable context-sensitive soft keys

Multi-line support of up to 13 call appearance lines with dual-color LED indicators

Expandable to additional 112 lines through expansion key-modules

Support Caller ID display or block, per call or permanent

Call waiting, hold, mute, transfer (blind or attended), forward, and more

Multi-party conferencing (up to 5-way)

Full duplex speakerphone w/advanced audio echo cancellation

Headset jack (2.5 mm and RJ9) for broad headset compatibility

Large phonebook (up to 2,000 contacts) and call history (up to 2,000 records)

Automated provisioning using TR-069 or encrypted XML configuration file, SRTP and TLS for advanced security protection, 802.1x for media access control

Voice codecs: G.711 (a/u-law), G.723.1, G.729A/B, G.726, iLBC, and G.722 (wideband)

Superb Audio Quality: Advanced Digital Signal Processing (DSP), Silence suppression, VAD, CNG, AGC high fidelity wideband audio (G.722). HD handset

Custom ringtone software: Convert most music files to a Grandstream ringtone

Advanced functionality: Multi-line support, multi-party conferencing (5-way), multi-language support (MLS), headset enabled, expandable, intercom, AES encryption, etc.

Cost-effective IP solution
Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year
  • Read full details
  • Return Policies
    • Return for refund within: 30 days
    • Return for replacement within: 30 days
  • This item is covered by's Standard Return Policy.
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