The Absolute VOICE AV-270 is a great entry-level cloud based IP phone with 3 Session Initiation Protocol (SIP) accounts. It features industry standard PoE (Power over Ethernet), so no power cable or outlets are required. It has a full duplex speaker-phone, dual Ethernet Ports, conference calling, high definition voice quality, and built in Virtual Private Network (VPN) capability. Users can now control complicated features directly from their phones -no need to remember feature codes. Applications driven by DSS keys include (but not limited to) busy lamp field, call park, do not disturb, call forward, call record, speed dial, multi-cast paging etc.

Phone Features

  • 3 VoIP accounts
  • Call hold, mute, DND
  • One-touch speed dial, hotline
  • Call forward, call waiting, call transfer
  • Redial, call return, auto answer
  • 5-way conferencing
  • Group listening, SMS, emergency call
  • Ring tone selection/provisioning
  • Set date time automatically or manually
  • Dial plan per account
  • RTCP-XR (RFC3611), VQ-RTCPXR (RFC6035)
  • XML Browser
  • Action URL/URI
  • Voice Codecs Features
  • HD voice: HD handset, HD speaker
  • Codecs: iLBC, G.722, G.711(A/μ), GSM_FR, G.723,
  • G.729AB, G.726-32 DTMF: In-band, RFC 2833, SIP INFO
  • Full-duplex hands-free speakerphone with AEC
  • VAD, AGC, CNG, AEC, PLC, AJB
  • Caller ID with name and number

IP-PBX Features

  • Busy Lamp Field (BLF)
  • Anonymous call, anonymous call rejection
  • Hot-desking
  • Message Waiting Indicator (MWI)
  • Voice mail
  • Intercom, paging
  • Call park, call pickup
  • Music on hold
  • Call recording

Directory

  • Local phonebook up to 1000 entries
  • XML/LDAP remote phonebook
  • Intelligent search method
  • Phonebook search/import/export
  • Call history: dialed/received/missed/forwarded
  • Black list

Display and Indicator

  • 2.7” 192 x 64 pixel graphical LCD display with backlight
  • LED for call and message waiting indication
  • Dual-color (red or green) illuminated LEDs for line status information Intuitive user interface with icons and soft keys
  • National language selection

Key Features

  • 3 line keys with LED
  • Up to 17 feature keys (4-page view) for custom feature assignments 8 feature keys: hold, message, mute, transfer, redial, conference, headset, speaker
  • 4 context-sensitive “soft” keys
  • 6 navigation keys
  • Volume control keys
  • Illuminated speaker key
  • Illuminated headset key
  • Illuminated mute key

Inferface

  • Dual-port 10/100M Ethernet
  • Power over Ethernet (IEEE 802.3af), class 3
  • 1xRJ9 (4P4C) handset port
  • 1xRJ9 (4P4C) headset port

Physical Features

  • Stand with 2 adjustable angles
  • Wall mountable
  • External universal AC adapter : AC 100~240V input and DC 5V/1.2A output
  • Power consumption (PSU): 2.0~4.6W
  • Power consumption (PoE): 2.5~5.5W
  • Operating humidity: 10~95%
  • Operating temperature: -10~50°C

Management

  • Configuration: Browser/LCD-Menu/auto-provision
  • Auto provision via HTTP/HTTPS FTP/TFTP
  • Auto-provision with PnP
  • Reset to factory, restart, reboot
  • Local tracing log export, system log
  • Phone lock for personal privacy protection

Network and Security

  • SIP v1 (RFC2543), v2 (RFC3261)
  • SIP server/proxy redundancy
  • NAT Traversal: STUN mode
  • DHCP/static/PPPoE
  • HTTP/HTTPS web server
  • Time and date synchronization by SNTP
  • DNS-NAPTR/DNS-SRV(RFC 3263)
  • QoS: 802.1p/Q tagging (VLAN), Layer 3 ToS DSCP
  • IEEE802.1X
  • TLS(Transport Layer Security)
  • SRTP
  • Open VPN
  • HTTPS certificate manager
  • AES encryption for configuration file
  • Digest authentication using MD5/MD5-sess

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