Grandstream GXP285 IP Phone

The Grandstream GXP285 IP Phone, ideal as a small business IP telephone.

The Grandstream GXP285 IP Phone is a next generation small business SIP phone that features 1 line (1 SIP account), 2 call appearances (allowing up to 2 simultaneous calls), 128 x 32 graphic LCD, 3 context sensitive soft keys, dual 10/100 Mbps network ports and optional integrated Power-over-Ethernet.

Features

• 128 x 32 pixel graphical LCD with support for multiple languages
• 1 line SIP account and 2 call appearances (allowing 2 simultaneous calls and 3-way conference)
• 3 context sensitive soft keys
• HD wideband audio, full-duplex speakerphone with advanced acoustic echo cancellation
• Dual switched auto sensing 10/100 Mbps network ports, Power over Ethernet
• Secure and automated provisioning for mass deployment, SRTP

The Grandstream GXP285 IP Phone delivers superior HD audio quality, comprehensive telephony features, automated provisioning capability for easy deployment, advanced security protection for privacy and broad interoperability with most 3rd party SIP devices and leading SIP/NGN/IMS platforms.

An affordable choice for any SOHO user, the Grandstream GXP285 IP Phone also comes with off-hook auto dial, auto answer, click-to-dial, downloadable ringtones, server redundancy and fail-over support, as well as security protection (SRTP and AES encryption of configuration file).

Grandstream GXP285 IP Phone Technical Specifications

Protocols and Standards

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

Network Interfaces

• Dual switched 10/100 Mbps with integrated PoE (Power over Ethernet) support

Graphic Display

• 128 x 32 pixel graphic LCD

Feature Keys

• 3 dynamic context sensitive soft keys
• 3 navigation/menu/volume keys
• 7 dedicated function keys for: Hold, Speakerphone, Send, Transfer, Conference, Flash and Headset

Voice Codec

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

Telephony Features

• Hold
• Mute
• Transfer
• Forward
• 3-way Conference
• Downloadable Phone Book (XML, LDAP up to 200 items)
• Call Waiting
• Call Log
• Off-hook Auto Dial
• Auto Answer
• Click-To-Dial
• Downloadable Ringtones
• Server Redundancy
• Fail-over Support

Headset Jack

• 2.5mm and RJ22 headset jack

QoS

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

Security

• User and administrator level passwords
• MD5 and MD5- sess based authentication
• AES based secure configuration file
• SRTP

Multi-language

• English, Spanish, French, German, etc

Upgrades and Provisioning

• Firmware upgrade via TFTP/HTTP
• Mass deployment using central secure provisioning file

PoE (Power over Ethernet)

• Integrated (IEEE 802.3af)

Power

• Universal power adaptor (Input: 100-240VAC 50-60Hz, Output:+5VDC, 1.2A, UL Certified) included

Physical

• Dimension: 168mm x 200mm x 89.5mm
• Unit weight: 0.62kg
• Package weight: 0.725kg

Temperature and Humidity

• 32-104°F / 0-40 °C
• 10-90% (non-condensing)

Compliance

• FCC
• CE
• C-Tick

Note: Please refer to the Grandstream IP Phone Detailed Comparison Table for more information.

Grandstream IP Phones BriefComparison Table

Phone		Lines	Display	Prog. Hard Keys	Soft Keys	Ext. Module Support	PoE Support
Grandstream GXP2124		4	240 x 120 pixel	24	4
Grandstream GXP2120		6	320 x 160 pixel	7	4
Grandstream GXP2110		4	240 x 120 pixel	18	3
Grandstream GXP2100		4	180 x 90 pixel	7	3
Grandstream GXP2000		4	130 x 64 pixel	7
Grandstream GXP1450		2	180 x 60 pixel		3
Grandstream GXP1405		2	128 x 40 pixel		3
Grandstream GXP1400		2	128 x 40 pixel		3
Grandstream GXP1200		2	128 x 32 pixel		3
Grandstream GXP1105		1			3
Grandstream GXP1100		1			3
Grandstream GXP285		1	128 x 32 pixel		3
Grandstream GXP280		1	128 x 32 pixel		3

Specifications Tab

By Gordon Henderson These phoes are rubbish. The entire GXP21xxx range is to be avoided like the plague. Grandtream supp.. See full review 1 Date Added: Monday 03 October, 2011

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