Humidity

10% – 90% (non-condensing)

Compliance

FCC / CE / C-Tick

Table 7: GXP21xx Technical Specifications

Lines

Protocol Support

Display

Feature Keys

Device Management

Audio Features

Multiple direct lines with independent SIP accounts, programmable speed dial keys,

XML programmable soft-keys

Support SIP 2.0, TCP/UDP/IP, PPPoE, RTP/RTCP, SRTP by SDES, HTTP, ARP/RARP, ICMP, DNS, DHCP, NTP, TFTP, SIMPLE/PRESENCE protocols, TR-069, 802.1x

Support multiple SIP accounts and up to 11 media channels concurrently

Support SIP PUBLISH method (RFC 3903), SIP Presence package (RFC 3856, 3863) for use of MFKs, SIP Dialog package (RFC 4235)

Support for SIP MESSAGE method (RFC 3428) Backlit graphic LCD display, up to 8 level grayscale Feature keys on different models:

 

GXP2120

GXP2110

GXP2100

HOLD

Yes

Yes

Yes

SPEAKERPHONE

Yes

Yes

Yes

SEND

Yes

Yes

Yes

TRANSFER

Yes

Yes

Yes

CONF

Yes

Yes

Yes

MUTE

Yes

Yes

Yes

DND

Yes

Yes

No

HEADSET

Yes

Yes

Yes

INTERCOM

Yes

Yes

Yes

PHONEBOOK

Yes

Yes

Yes

MSG

Yes

Yes

Yes

MENU

Yes

Yes

Yes

NAVIGATION (4)

Yes

Yes

Yes

NAT-friendly remote software upgrade (via TFTP/HTTP) for deployed devices including behind firewall/NAT

Auto/manual provisioning system, Web GUI Interface Expansion interface, Address Book

Full-duplex hands-free speakerphone, headset enabled Advanced Digital Signal Processing (DSP)

Dynamic negotiation of codec and voice payload length

Support for G.723,1 (5.3/6.3K), G.729A/B, G.711 a/µ-law, G.726-32, G.722 (wide-band), and iLBC codecs

In-band and out-of-band DTMF (in audio, RFC2833, SIP INFO)

Silence Suppression, VAD (voice activity detection), CNG (comfort noise generation), ANG (automatic gain control)

Acoustic Echo Cancellation (AEC) with Acoustic Gain Control (AGC) for speakerphone mode, Support side tone

Grandstream Networks, Inc.

GXP21xx User Manual

Page 9 of 41

 

Firmware version: 1.0.1.66

Last Updated: 05/2011

Page 10
Image 10
Grandstream Networks GXP21XX user manual Humidity, Compliance, GXP21xx Technical Specifications

GXP21XX specifications

Grandstream Networks GXP21XX series is a line of high-performance VoIP (Voice over Internet Protocol) desktop IP phones designed to deliver a versatile communication experience for both small and medium-sized businesses as well as large enterprises. The GXP21XX series encompasses a range of models, including the GXP2130, GXP2140, and GXP2160, each offering distinct features and capabilities to cater to various user needs.

One of the main features of the GXP21XX series is its support for high-definition (HD) voice technology. This ensures crystal-clear audio quality during calls, enhancing the overall communication experience. HD voice is complemented by advanced echo cancellation and noise reduction technologies, making it easy to communicate even in bustling environments.

The GXP21XX series boasts a user-friendly interface supported by a large LCD display, which is designed for easy navigation and menu access. These phones offer programmable keys, allowing users to customize their devices for quick access to frequently used features, including speed dials and call transfers.

In terms of connectivity, the GXP21XX series is equipped with dual Gigabit Ethernet ports, facilitating high-speed connections to both the local network and the internet. This allows for seamless integration into existing infrastructures without compromising call quality or network performance. Additionally, the phones support Power over Ethernet (PoE), enabling straightforward installation without the need for additional power sources.

The phones come pre-loaded with a multitude of voice codecs, including G.722, G.711, and G.729, offering flexibility to adapt to various network conditions. Users can enjoy secure communication through built-in security encryption features, such as TLS and SRTP, ensuring sensitive data remains safeguarded.

Moreover, the GXP21XX series incorporates advanced functionalities, such as support for up to six SIP accounts, call presence, and a full-duplex speakerphone, making them ideal for multi-tasking and collaborative environments. Interoperability with major VoIP platforms enhances compatibility, ensuring that users can easily integrate their devices into diverse communication systems.

In conclusion, the Grandstream GXP21XX series stands out as a robust and feature-rich solution for VoIP communication. With its focus on HD voice quality, user-friendly interface, and advanced connectivity options, it provides a comprehensive tool for enhancing both individual and team productivity. Whether used in an office environment or for remote work, the GXP21XX series delivers reliability and performance tailored to the needs of today’s business communication landscape.