Grandstream GXP-285

Grandstream GXP-285 is a SIP phone with 1 line support and FLASH function to support 2 simultaneous calls, equipped with two 10M/100Mbps network ports with support for power over Ethernet (802.3af PoE).

Small businesses will love the Grandstream GXP-285 phone for its combination of high-quality audio, graphical LCD display, and rich set of business features. The device supports one line via SIP protocol. The Grandstream GXP-285 is equipped with two 10M/100Mbps network ports with support for power over Ethernet (802.3af PoE), a full-duplex speakerphone with acoustic echo cancellation, 1 telephone line with FLASH function for the ability to receive 2 simultaneous calls, for connecting a headset. The GXP285 is an affordable choice for users from the SOHO segment due to such features as: auto-dial without lifting the handset, auto-answer, speed dial, downloadable ringtones, support for redundant servers, and support for protection against failures. The phone has security features (support for the SRTP protocol and encryption of the configuration file using the AES protocol).

The device supports 1 line and FLASH function to support 2 simultaneous calls.

Two 10/100M Ethernet ports with Power over Ethernet (802.3af PoE) support for centralized power supply and redundancy.

High-quality wideband audio and full-duplex speakerphone with advanced acoustic noise suppression.

Graphic LCD display with 128x32 pixel resolution with support for multiple colors.

Wide compatibility with most known IP-PBX, software switch platforms and third-party SIP devices. Possibility of easy auto-provisioning for mass implementation.

Technical characteristics of the Grandstream GXP-285 phone:

Protocols and standards

SIP RFC3261, TCP/IP/UDP, RTP/RTCP, HTTP, ARP/RARP, ICMP, DNS (Record and SRV), DHCP, PPPoE, TFTP, NTP, STUN, SIMPLE

Network interfaces

Dual-port 10/100 Mbps switch with integrated PoE (Power over Ethernet);

Display

128x32 pixel LCD display

Keys

3 XML context-insensitive programmable keys;

3 keys: navigation, menu, volume;

7 function keys: call hold, call send, speakerphone, call transfer, conference call, headset, FLASH

Voice codecs

G.723.1, G.729 A/B, G.711 u/a-law, G.726, G.722 (wideband), GSM and iLBC, in-band and out-of-band DTMF (in audio, RFC2833, SIP INFO )

Telephone functions

Call hold;

Mute;

Pre-dressing;

Tripartite conference;

Downloadable XML phone book, LDAP up to 200 entries;

XML display settings;

Call waiting;

Call log;

Auto-dial when the receiver is hung up;

Auto reply;

Downloadable ringtones;

Fault tolerance;

Quality of service

Layer 2 (802.1Q, 801.2p) and Layer 3 (ToS, DiffServ, MPLS) QoS

Headset jack

2.5mm and RJ22

Providing protection

passwords for the administrator and user;

MD5 and MD5-sess authentication;

AES;

SRTP;

Support multiple languages

English, Spanish, French, German, etc.

Update / Provisioning

Firmware upgrade via TFTP/HTTP, mass deployment using centralized secure file provisioning

PoE (Power over Ethernet)

Integrated (IEEE 802.3af)

Nutrition

Power supply from AC power supply 100-240 V, 5 V, direct current, maximum 1.2 A;

Physical characteristics

Dimensions: 186x200x89.5mm;

Weight: 620g.