Description

The Grandstream GXP2020 Enterprise SIP phone addresses the following needs for VoIP users:

New stylish design.
Addresses the need for an elegant IP handset solution for the executive office at a highly competitive price.
The GXP2020 provides excellent voice clarity,
Extensive and advanced call feature set,
Multi-language support
Security protection (SRTP)
Automated provisioning and broad compatibility with leading SIP platforms.

The GXP2020 offers multiple feature rich functions such as:

6 VoIP lines,
7 programmable keys
4 dynamic context-sensitive soft keys,
dual switched 10M/100Mbps auto-sensing Ethernet ports with integrated PoE,
Backlit 320x160 high resolution graphic LCD with multi-level grey scales
Secure Real-time protocol (SRTP) and TLS (pending) for privacy protection,
Secure and automated provisioning for mass deployment.
The GXP2020 is the second phone in the Grandstream GXP Enterprise SIP Phone series.

The GXP2020 is ideal for both the executive office and advanced enterprise users.

Protocols
SIP (RFC3261), TCP/IP/UDP, RTP/RTCP, HTTP, ARP, ICMP, DNS (A record and SRV), DHCP(both client and server), PPPoE, TFTP, NTP
Protocol Features
NAT traversal (STUN, etc), server fail-over, SIP presence (SIMPLE), and more
Dual-switched 10/100Mbps Ethernet ports w/integrated Power-over-Ethernet (802.3af)
Backlit 320x160 high resolution graphic LCD with multi-level grey scales

6 lines indicators with individual SIP account profiles
Multi-line support of upto 13 call appearance lines with dual-color LED indicators
7 programmable hard keys and 4 XML programmable context-sensitive soft keys
Expandable to additional 112 lines via expansion key-modules
Supports 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)
And many more "Enterprise Grade" features

Full duplex speakerphone w/advanced audio echo cancellation
Secure / automated provisioning for mass deployment
Headset jack (2.5 mm and RJ22)
Secure Real-time Protocol (SRTP) and Telephone Line Simulator pending (TLS) for privacy protection
And many more enterprise grade features....

SIP Compliancy and Protocols: SIP, TCP/IP/UDP, RTP/RTCP, HTTP, ARP, ICMP, DNS (A record and SRV), DHCP (both client and server), PPPoE, TFTP, NTP, etc.
Networking Interfaces
Dual 10/100mbps Ethernet ports (switched or routed).
Advanced Digital Signal Processing (DSP), Silence suppression, VAD, CNG, AGC high fidelity wideband audio (G.722).
"Superb Audio Quality"
Custom Ringtone Software
Transcode / Convert most music files to a Grandstream ringtone.
Advanced Functionality: