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Aastra 51i

The Aastra 51i offers features and flexibility in an open-standards based, carrier grade basic level IP telephone. With a sleek and elegant design and LCD display the 51i is fully interoperable with leading IP Telephony platforms, offering advanced XML capability to access custom applications and support for high-quality SIP communications.
CODE: AST51I

Price: £71.82
(inc. VAT £84.39)

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Aastra 51i

The Aastra 51i offers features and flexibility in an open-standards based, carrier grade basic level IP telephone.

With a sleek and elegant design and LCD display the 51i is fully interoperable with leading IP Telephony platforms, offering advanced XML capability to access custom applications and support for high-quality SIP communications. Part of the 5i Series of IP telephones, the 51i is ideally suited for light use small and medium business applications such as lobbies or common areas , where single line high-quality SIP communication is required.
Aastra 51i image

 

Aastra 51i:
  • XML Browser
    The Aastra 51i is equipped with XML browser capabilities allowing access to customized services and applications. Create internal service applications using development guides available from Aastra. This feature provides unlimited potential to customize the 51i to meet your specific business needs or vertical applications using the display keypad.

  • Enhanced Call Management
    With extensive storage capacity for personal directory, callers log, and redial list, the Aastra 51i can improve efficiency by providing more call information with the push of a button. Features such as shared call and bridged line appearances, call forward, call transfer and call waiting increase call flexibility and control..

  • Remarkable Audio
    All Aastra IP telephones offer full-duplex speakerphone with excellent voice clarity and delivery. With years of experience in telecommunications and telephone design, Aastra can ensure superior voice quality on every product we sell.

  • Simplified Deployment
    From initial deployment and configuration to future enhancements and upgrades, the Aastra family of IP telephones are designed to save your business time and money. Dual auto-sensing switched Ethernet ports eliminate additional wiring and simplify installations. Integrated IEEE 802.3af Powerover- Ethernet allows easy deployment with centralized powering and backup. Easily created configuration files, using any text editor, can be used to configure phones individually or centrally.



Aastra 51i

  • 3-line LCD screen
  • 1 call appearance line
  • Supports 1 call line with transfer capabilities
  • Full-duplex speakerphone for monitoring calls
  • Built-in two-port, 10/100 Ethernet ports - lets you share a connection with your computer
  • Inline power support (based on 802.3af standard) which eliminates power adapters.
  • * AC power adapter (sold separately)

Aastra 53i

 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
  • Redial
  • Speakerphone/Headset toggle
  • Mute
  • 2 volume keysDual 10/100 Mbps switched Ethernet ports

 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,
    TOS, and 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-SRVLocal backup registrar and/or proxy server
  • Local backup registrar and/or proxy server

  Protocols / Codecs

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


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VOIPDepot.co.uk - VOIP PBX, Asterisk hardware, VOIP phones and IP telephony.

VOIPDepot.co.uk is a dependable source for VOIP PBX equipment, a range of VOIP phones and other IP telephony solutions. We are also providers of voice over internet protocol services and supply a range of hardware from Skype phones to Asterisk hardware.

We are part of Quidigal Solutions, a privately run provider of IP telephony products and services in the centre of London. Our online shopping site, VOIPDepot.co.uk offer a range of equipment such as VOIP phones for home users and fully fledged VOIP PBX for business customers.

As an independent online retailer, we do not tie ourselves to any particular manufacturer of VOIP phones and services. As well as offering Asterisk hardware, other makes covered by us include Siemens, Linksys, Belkin and UTStarCom.

We also offer new and reconditioned equipment. Our VOIP PBX systems suit business and home users; for instance, the Fritz!X USB enables you to plug four conventional (BT Ren 1.0 socket) phones, includes an integrated firewall and communication software.

Whether you would prefer a modest or elaborate VOIP PBX system, let us find the best solution.

 
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