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Voice Over IP Phones

15 Items Found Per Page: 12 24 36 All
1 - 15 of 15 items

Items Similar To The 6751i RP aastra 9143i

Aastra 9143i

Includes One Year Manufacturer's Warranty

Item # A1733-0131-10-05

  • Corded Voice Over IP Phone
  • Voice Over Internet Protocol (VoIP)
  • Session Initiation Protocol (SIP)
  • Built-In HTTP Server
  • XML Browser
  • Up to 9 Call Appearance Lines
  • 3-Way Conferencing

**Requires A Broadband Internet Connection & Does Not Operate On A Regular (Analog) Phone Line**

$127.99

Items Similar To The 6751i RP aastra 9480i

Aastra 9480i

Includes One Year Manufacturer's Warranty

Item # A1735-0131-10-05

  • Corded Voice Over IP Phone
  • Voice Over Internet Protocol (VoIP)
  • Session Initiation Protocol (SIP)
  • Built-In HTTP Server
  • XML Browser
  • Up to 9 Call Appearance Lines
  • Caller ID / Call Waiting
  • 3-Way Conferencing

**Requires A Broadband Internet Connection & Does Not Operate On A Regular (Analog) Phone Line**

$165.99

Items Similar To The 6751i RP aastra 9480i ct

Aastra 9480i CT

Includes One Year Manufacturer's Warranty

Item # A1737-0131-10-05

  • Corded Voice Over IP Phone
  • Voice Over Internet Protocol (VoIP)
  • Session Initiation Protocol (SIP)
  • Built-In HTTP Server
  • XML Browser
  • Up to 9 Call Appearance Lines
  • Expandable Up To 4 Handsets
  • 3-Way Conferencing

**Requires A Broadband Internet Connection & Does Not Operate On A Regular (Analog) Phone Line**

$248.99

Items Similar To The 6751i RP aastra 6730i

Aastra 6730i

Includes One Year Manufacturer's Warranty

Item # A6730-0131-10-01

  • Corded Voice Over IP Phone
  • Voice Over Internet Protocol (VoIP)
  • Session Initiation Protocol (SIP)
  • Built-In HTTP Server
  • XML Browser
  • Up to 6 Call Appearances Lines
  • Hearing Aid Compatible
  • Single 10/100 Mbps Ethernet Port



**Requires A Broadband Internet Connection & Does Not Operate On A Regular (Analog) Phone Line**

$83.99

Items Similar To The 6751i RP aastra 6731i

Aastra 6731i

Includes One Year Manufacturer's Warranty

Item # A6731-0131-10-01

  • Corded Voice Over IP Phone
  • Voice Over Internet Protocol (VoIP)
  • Session Initiation Protocol (SIP)
  • Built-In HTTP Server
  • XML Browser
  • Up to 6 Call Appearances Lines
  • Hearing Aid Compatible
  • Two-Port 10/100 Mbps Ethernet Switch



**Requires A Broadband Internet Connection & Does Not Operate On A Regular (Analog) Phone Line**

$139.99

Items Similar To The 6751i RP aastra 6753i rp

Aastra 6753i RP

Includes One Year Manufacturer's Warranty

Item # A1753-0135-10-01

  • Corded Voice Over IP Phone
  • Voice Over Internet Protocol (VoIP)
  • Session Initiation Protocol (SIP)
  • Built-In HTTP Server
  • XML Browser
  • Supports Up To 6 Lines / Users
  • Expandable Up To 3 Modules
  • Hearing Aid Compatible
  • Wall Mountable
  • Full Duplex Quality SpeakerPhone


Compatible With:
Microsoft Response Point System

**Requires A Broadband Internet Connection & Does Not Operate On A Regular (Analog) Phone Line**

$169.99

Items Similar To The 6751i RP aastra 6757i rp ct

Aastra 6757i RP CT

Includes One Year Manufacturer's Warranty

Item # A1758-0135-10-01

  • Corded Voice Over IP Phone
  • Voice Over Internet Protocol (VoIP)
  • Session Initiation Protocol (SIP)
  • Built-In HTTP Server
  • XML Browser
  • Up to 9 Call Appearance Lines
  • Caller ID / Call Waiting
  • Expandable Up To 3 Modules
  • Hearing Aid Compatible
  • Full Duplex Quality SpeakerPhone


Compatible With:
Microsoft Response Point System

Aastra 6757i RP CT Includes:

  • 1 Corded Base Station
  • 1 Cordless Handset / Charger

**Requires A Broadband Internet Connection & Does Not Operate On A Regular (Analog) Phone Line**

$344.99

Items Similar To The 6751i RP aastra 6739i

Aastra 6739i

Includes One Year Manufacturer's Warranty

Item # A6739-0131-10-01

  • Corded Voice Over IP Phone
  • Voice Over Internet Protocol (VoIP)
  • Session Initiation Protocol (SIP)
  • Built-In HTTP Server
  • XML Browser
  • Up to 9 Call Appearance Lines
  • Caller ID / Call Waiting
  • Expandable Up To 3 Modules
  • Duplex Speakerphone
  • Aastra Hi-Q Audio™ Technology


Compatible With:
Microsoft Response Point System

**Requires A Broadband Internet Connection & Does Not Operate On A Regular (Analog) Phone Line**

$439.99

Items Similar To The 6751i RP aastra 6753i 53i

Aastra 6753i / 53i

Includes One Year Manufacturer's Warranty

Item # A1753-0131-10-01

  • Corded Voice Over IP Phone
  • Voice Over Internet Protocol (VoIP)
  • Session Initiation Protocol (SIP)
  • Built-In HTTP Server
  • XML Browser
  • Up to 9 Call Appearance Lines
  • Caller ID / Call Waiting
  • Digital Duplex Speakerphone
  • 3-Line LCD Display



**Requires A Broadband Internet Connection & Does Not Operate On A Regular (Analog) Phone Line**

$144.99

Items Similar To The 6751i RP aastra 6755 55i

Aastra 6755i / 55i

Includes One Year Manufacturer's Warranty

Item # A1755-0131-10-01

  • Corded Voice Over IP Phone
  • Voice Over Internet Protocol (VoIP)
  • Session Initiation Protocol (SIP)
  • Built-In HTTP Server
  • XML Browser
  • Up to 9 Call Appearance Lines
  • Caller ID / Call Waiting
  • Expandable Up To 3 Modules
  • Digital Duplex Speakerphone
  • 144x75 Graphical LCD Display


**Requires A Broadband Internet Connection & Does Not Operate On A Regular (Analog) Phone Line**

$184.99

Items Similar To The 6751i RP aastra 6757i 57i

Aastra 6757i / 57i

Includes One Year Manufacturer's Warranty

Item # A1757-0131-10-01

  • Corded Voice Over IP Phone
  • Voice Over Internet Protocol (VoIP)
  • Session Initiation Protocol (SIP)
  • Built-In HTTP Server
  • XML Browser
  • Up to 9 Call Appearance Lines
  • Caller ID / Call Waiting
  • Expandable Up To 3 Modules
  • Digital Duplex Speakerphone
  • 144x128 Graphical LCD Display

**Requires A Broadband Internet Connection & Does Not Operate On A Regular (Analog) Phone Line**

$204.99

Items Similar To The 6751i RP aastra 57i ct

Aastra 6757i CT / 57i CT

Includes One Year Manufacturer's Warranty

Item # A1758-0131-10-01

  • 2.4GHz Corded / Cordless VoIP Phone
  • Up To 300,000ft Range
  • Voice Over Internet Protocol (VoIP)
  • Session Initiation Protocol (SIP)
  • Built-In HTTP Server
  • XML Browser
  • Up to 9 Call Appearance Lines
  • Caller ID / Call Waiting
  • Expandable Up To 3 Modules
  • Digital Duplex Speakerphone
  • 144x128 Graphical LCD Display



Aastra 6757i CT / 57i CT Includes:

  • 1 Corded Base
  • 1 Cordless Handset / Charger

**Requires A Broadband Internet Connection & Does Not Operate On A Regular (Analog) Phone Line**

$287.99

Items Similar To The 6751i RP aastra 536m

Aastra 536M (M670i)

Includes One Year Manufacturer's Warranty

Item # A1736-0000-10-55

  • Expansion Phone Module
  • Wall Mountable
  • Powered Via IP Phone Connection. No Separate Power Supply Required
  • Busy Station Indicators
  • 36 Keys with Status LED's

  • Up To Three Modules Can Be Used With The 5i Series Models 55i, 57i or 57i CT, Offering Up To 180 Keys.


**Not A Stand-Alone Phone, Requires The 55i, 57i or 57i CT Telephone**

$117.99

Items Similar To The 6751i RP aastra 560m

Aastra 560M (M675i)

Includes One Year Manufacturer's Warranty

Item # A1760-0000-10-55

  • Expansion Phone Module
  • Wall Mountable
  • 144x128 Graphical LCD Display
  • Powered Via IP Phone Connection. No Separate Power Supply Required
  • Busy Station Indicators
  • 20 Keys / 3 Hardkeys with LED's

  • Up To Three Modules Can Be Used With The 5i Series Models 55i, 57i or 57i CT, Offering Up To 180 Keys.


**Not A Stand-Alone Phone, Requires The 55i, 57i or 57i CT Telephone**

$151.99

Items Similar To The 6751i RP aastra link pro 160

Aastralink Pro 160

Includes One Year Manufacturer's Warranty

  • IP PBX Control Unit
  • Local SIP Extensions, Remote SIP Users & SIP Trunking
  • Expandable up to 50 SIP Extensions
  • Auto Fax Detection & Routing
  • Visual & Standard Voicemail
  • Auto-Attendant (AA)
  • Input Trigger & Relay Output
  • Built In Audio In/Out Circuitry For Music On Hold & External Paging
  • Each FXO Is Equipped w/ On-Hook Caller-ID Detection & G.168 Echo Cancellation
  • Configuration & Administration via Web Interface
  • Operation & Configuration Of Phones via Web & Telephone Interface


Will Work With:

  • Astra 51i, 53i, 55i, 57i, 57i CT, 536M, 560M,9143,9480i & 9480i CT

$737.99