The P-280 SIP Phone is a new generation intellectual desktop terminal. It brings in you a completely new and more efficient work experience in modern offices. Its excellent speech quality gives you an unprecedentedly comfortable talking and its rich function keys make the operation very convenient. One key dial can be easily achieved with proper settings. 4.3"high resolution LCD displayer provides you a friendly user interface. The P-280 SIP Phone support multi account registering and multi call management. Call Waiting, Call Queuing and Call Forward can be well implemented; meanwhile, it makes conference to be created very quickly. No matter how busy the calls will be, the P-280 SIP Phone can easily satisfy the requirement.

KEY FEATURES

• HD Voice: HD Codec, HD Speaker, HD Handset
• 8 SIP accounts and support 3-way conference, SMS 
• 2xLAN, PoE, RJ9Headset
  
• Auto-provision, HTTP/TFTP/FTP, TR069
  
• Multi-language, e.g. English, Russian, French etc
  
• Excellent adjustable bracket and wall-mountable
  
• XML/LDAP, BLF/BLA, Search someone in the Phone book

             P280 SIP Phone                  DSS-32 Module                      P280+DSS-32

PHONE FEATURES 

• 8 SIP accounts
• 3-way conferencing
  
• Auto-answer
  
• Black list
  
• Call forward 
  
• Call history
  
• Call hold
  
• Call return
  
• Call transfer (blind/busy/ask)
  
• Call waiting
  
• Caller ID display
  
• DND
  
• Direct IP call without SIP proxy
  
• Hotline
  
• Hand-free indicator
  
• Mute / Unmute (Microphone)
  
• Multi-Language
  
• Redial
  
• Ring tone selection
  
• SMS
  
• Soft keys programmable
  
• Speed dial
  
• Supports PC control
  
• Tone scheme
  
• Volume control
  
• Voicemail Message Indication LED

ADVANCED FEATURES

• XML Phone Book search and input & output
  
• Enterprise phone book (800 entries)
  
• Personal Phonebook (300 entries)
  
• LDAP phone book
  
• Functions customizable keys

AUDIO FEATURES

• HD Voice Microphone/Speaker (Handset/Hands-free, 0~ 7 KHz Frequency Response)
  
• Narrow band CODEC: G.711a/u, G.723.1,G.726-32K, G.729AB, AMR, iLBC, Opus
  
• Packet Loss Concealment (PLC)
  
• Dynamic Adaptive Jitter Buffer upto 300ms
  
• DTMF: In-band, Out-of-Band–DTMF-Relay (RFC2833) / SIPINFO
  
• Wideband ADC/DAC 16KHz Sampling
  
• Full-duplex hands-free speaker phone with AEC (Max filter length – 96ms)
  
• Wideband CODEC: G.722
  
• Voice Activity Detection (VAD)/Comfort Noise Generation (CNG) / Background Noise Estimation (BNE) / Noise Reduction (NR).

NETWORKING 

• SIP V1 (RFC2543), V2 (RFC3261)
  
• DNS SRV (RFC3263)
  
• NAT Traversal: STUN Mode
  
• DTMF: In-Band, RFC2833, SIP info,
  
• Auto Http/Https Web Management
  
• IP Configuration: Static/DHCP/PPPoE
  
• Bridge/Router mode for PC port
  
• TFTP/DHCP/PPPoE client
  
• Telnet/Http/Https
  
• DNS client, NAT/DHCP service
  
• Web Account log0ut
  
• QoS

DEPLOYMENT & MAINTENANCE

• Auto-Provisioning via FTP / TFTP / HTTP / HTTPS / SNMP V1/2, TR069 optional
  
• Configuration: Browser/phone/auto-provision
  
• Auto/Manual online Software Upgrade
  
• Web Management Portal
  
• Web-based Packet Dump
  
• Syslog

PHYSICAL FEATURES

• 480x272 graphic LCD,4.3" high resolution LCD
  
• 42 keys, including 8 Programmable-keys
  
• 16 LEDs:
  - 1 * Status Light
  - 8 * Account Lights
  - 1 * Message Light
  - 1 * Headset Lights
  - 4 * Function Lights
  - 1 * Speaker Light
  
• Power Consumption:
  - PoE: Idle–1.7W, Peak–2.5W,
  - Adapter: Idle–2.5W, Peak–3.5W
  
• HD Hands-free Speaker (0~ 7KHz) x 1
  
• HD Hands-free Microphone (0~ 7KHz) x 1
  
• HD Handset (RJ9 )x 1
  
• 1.5M CAT5 Ethernet Cable x 1
  
• RJ9 Phone Jacket x 2: Handset x 1, Headphone x 1
  
• 3.5mm PC Headset Port X 1
  
• RJ45 Ethernet Jacket x 2
  
• Power Adapter: AC 100 ~ 240v
  
• DC Power Input: 12V/1A
  
• USB Port: DC 5V
  
• Working Temperature: 0~40℃
  
• Storage Temperature: up to 60℃
  
• Working Humidity: 10~95%
  
• Color: Black
  
• Back Rack x 1: Desktop Stand (Two angles)
  
• Device Dimensions: 287 x 214 x 90mm (Desktop Stand)
  
• Net Weight: 1.37Kg

DSS-32 EXPANSION MODULE

• 32 Programmable DSS keys
  
• DSS key with dual-color indication LED
  
• Busy Lamp Field (BLF) / Speed Dialing
  
• Call Conference / Call Waiting / DND
  
• Power supply through SIP phone
  
• Maximum 6 no.s DSS module connection (Total 192 keys)
  
• RJ45 Ethernet Jacket x 2
  
• Net Weight: 0.25 Kg
  
• Dimensions: 73 x 100 x 58mm
  
• Working Temperature: 0~40℃
  
• Working Humidity: 10~95%