Aastra 53i Sip phone
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Aastra 53i SIP IP Phone

The 53i from Aastra offers powerful features and flexibility in a standards based, carrier-grade business IP telephone. With a sleek and elegant design and 3 line LCD display, the 53i is fully interoperable with leading IP-Telephony platforms, offering advanced XML capability to access custom applications and support for up to 9 calls simultaneously.

Part of the Aastra family of IP telephones, the 53i is ideally suited for all business telephone requirements.


53i Aastra


Product Features

  • Up to 9 call appearance lines
  • Shared call and bridged line appearances
  • Multi-proxy support
  • Distinctive ringing, priority alerting
  • XML browser
  • Personal directory (200 entries)
  • Call forward/Call transfer/Call waiting
  • Caller and calling line information
  • Callers log (200 entries)
  • Local 3-way conference
  • Intercom with auto-answer
  • Redial list (last 100 numbers)
  • Do Not Disturb
  • Live dial pad or pre-dial support
  • Digium's Asterisk Business Edition - supports Busy Lamp Field (BLF), Bridged Line Appearances (BLA), Intercom BroadSoft’s BroadWorks enhanced
  • SIP - supports Shared Call Appearances, Busy Lamp Field (BLF), CommPilot Call Manager

Product Specification

Display

  • 3 line LCD display
  • LED for call and message waiting indicator

Feature Keys

  • 3 call appearance lines with LEDs
  • 4 navigational keys
  • 6 programmable keys with LEDs
  • 8 predefined hard keys
  • Goodbye
  • Options
  • Hold
  • Redial
  • Speakerphone/Headset toggle
  • Mute
  • 2 volume keys

Networking

  • Dual 10/100 Mbps switched Ethernet ports
  • Manual or Dynamic Host Configuration Protocol (DHCP) IP address setup
  • Time and date synchronisation using SNTP
  • Quality of Service (QOS) support IEEE 802.1 p/Q VLAN and priority tagging, Type of Services (TOS), and Differentiated Services Code Point Network Address Translation (NAT) support
  • Integrated HTTP/HTTPS server for web administration and maintenance including a built-in troubleshooting section
  • Mass deployment via central provisioning of user configuration files – TFTP, FTP, HTTP, HTTPS
  • Redundant server support
  • DNS-SRV
  • Local backup registrar and/or proxy server

Protocols / Codecs

  • IETF SIP (RFC3261 and associated RFCs)
  • G.711 μ-law / A-law
  • G.729



£96.00
£112.80incVAT