Grandstream GXP-2120 Executive IP HD Telephone
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SKU: 02-111122-1

What is the Grandstream GXP-2120 Executive IP HD Telephone?

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 conference. Delivering superior HD audio quality, rich telephony features, personalized information and customizable application service, 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.  6 dual-color line keys (with 6 SIP accounts), 4 XML programmable context-sensitive soft keys, up to 5-way conference, 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
  • Optional add-on line expansion modules with an extra 112 extension keys for receptionist and heavy call center requirements
  • Integrated real-time web applications (weather, stock, currency, RSS news, etc.)
  • Large phonebook (up to 2,000 contacts) and call history (up to 2,000 records)


This Phone will be a great addition to any of our VoIP Phone systems or to our Hosted solution


Technical Details

SIP Compliant and ProtocolsSIP, TCP/IP/UDP, RTP/RTCP, HTTP, ARP, ICMP, DNS (A record and SRV), DHCP, PPPoE, TFTP, NTP, etc.
Networking InterfacesDual 10/100mbps Ethernet ports
Voice CodecsG.711 (a/u-law), G.723.1, G.729A/B, G.726, iLBC, and G.722 (wideband)
Superb Audio QualityAdvanced Digital Signal Processing (DSP), Silence suppression, VAD, CNG, AGC high fidelity wideband audio (G.722). HD handset
Custom Ringtone SoftwareConvert most music files to a Grandstream ringtone
Advanced FunctionalityMulti-line support, multi-party conferencing (5-way), multi-language support (MLS), headset enabled, expandable, intercom, AES encryption, etc.
Cost-effective IP SolutionSmall to Medium enterprise office IP Phone


For Grandstream GXP2120 Quick start guide,  For Grandstream GXP2120 User Manual.

Warranty Information:

  • Manufacturer:
Grandstream GXP-2120 Executive IP HD Telephone

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