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Mitel Aastra 6737i SIP Telephone

Price From: £115.00 (Excl. VAT) £138.00 (Incl. VAT)

    PMC Product Code: 13347

    Manufacturer's Product Code: Mitel 6737i

    • Up to 9 lines with call appearances
    • XML support for productivity enhancing applications
    • Shared call and bridged line appearances
    • HD Audio

    Stock status: In Stock

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    The 6737i is a high-level phone for users who demand a lot from both their phones and their networks. Providing impressive HD audio and support for today’s high speed network through dual Gigabit Ethernet ports, the 6737i combines powerful features and flexibility in a standards based, carrier-grade advanced level expandable IP phone. Featuring a large 144 x 128 pixel graphical backlit LCD display, 12 programmable softkeys offering up to 30 functions, and supporting up to 9 simultaneous calls, the 6737i is ideally suited for heavy telephone users who require many one touch feature keys and a large screen for XML based programs.


    • Up to 9 lines with call appearances
    • Multi-proxy support
    • Distinctive ringing, priority alerting
    • XML support for productivity enhancing applications
    • Personal directory
    • Call forward/Call transfer/Call waiting/Call timer
    • Caller and calling line information
    • Callers log
    • Local 3-way Conference
    • Intercom with auto-answer
    • Paging and auto-answer capabilities
    • Redial list
    • Do Not Disturb
    • Programmable number pad speed dial
    • Live dial pad support
    • Missed Call Notification
    • One-touch call transfer, conference or call park
    • Busy Lamp Field (BLF)
    • Shared call and bridged line appearances
    • HD Audio

    HD Audio
    The 6737i incorporates HD audio technology to deliver enhanced performance and voice clarity. Integrating wideband audio software and hardware, the Aastra 6737i maximizes the acoustic performance to deliver a remarkable audio experience on every call, whether using the handset, hands-free speakerphone or headset port.

    XML Browser
    The Aastra 6737i is equipped with XML browser capabilities and an extra large display with dynamic softkeys to easily access customized services and applications. This feature provides unlimited potential to customize the 6737i to meet your specific business needs or vertical applications using the display and keypad.

    Enhanced Call Management
    The 6737i includes features such as shared call and bridged line appearances, call forward, call transfer, call waiting and 3-way conference providing enhanced call flexibility and control. Expandability The Aastra 6737i offers two different module extension options. It supports up to three Aastra M670i modules, each offering 36 keys with LED indicators to create a feature rich attendant console. Or, it will also support up to three of the advanced Aastra M675i modules, each offering 60 keys with a screen based LCD display and LED system.

    Simplified Deployment
    The Aastra family of IP telephones are designed to save your business time and money. Dual auto-sensing Gigabit switch Ethernet ports eliminate additional wiring and simplify installations. Integrated IEEE 802.3af Power-over-Ethernet allows easy deployment with centralized powering and backup.

    Feature Keys

    • Up to 9 lines with call appearances
    • 4 line/call appearance buttons with LEDs
    • 4 navigational keys
    • 12 customisable softkeys with LEDs, programmable up to 30 functions
    • 8 dedicated hard keys including Hold, Redial, Speakerphone/Headset toggle, Mute, Options, Goodbye, 2 volume keys

    Audio and Codecs

    • HD Audio*
    • Hearing aid compatible (HAC) handset
    • Full-duplex quality speakerphone
    • Codecs: G.711 ?-law / A-law, G.729, G.722 wideband, BV16, BV32, L16
    • Independent volume setting for handset/speaker/headset
    • Echo cancellation
    • Comfort noise
    • Packet loss concealment
    • Modular Headset Connector with built-in amplifier
    • Electronic Hookswitch (EHS) support for wireless headsets
    • Voice Quality Metrics, including MOS

    Display and Indicator

    • 144 x 128 pixels graphical backlit LCD display
    • Soft white backlight for user comfort in any lighting environment
    • Backlight Auto-on setting with configurable timer (power saving)
    • LED for call and message waiting indication


    • User and administrator level passwords for login
    • Encryption of configuration files
    • HTTPS configuration download and web management
    • Phone lock with PIN
    • Digest Authentication
    • Transport layer Security (TLS)
    • Secure Real-Time Protocol (SRTP)

    XML API Capabilities

    • Display control based on user actions or on events
    • Dynamic Phone Configuration
    • RTP Streaming control
    • CTI applications
    • See XML API Documentation for more details


    • Visit for an up to date listing of approved vendor/interoperability

    Expansion Modules

    • Supports up to 3 M670i or M675i
    • modules


    • Multi-lingual support – English, French, Spanish, Italian, German > Downloadable language pack support for customization and additional language translations
    • Country-specific call progress tones and cadences
    • Latin1, Latin 2 Character set


    • IETF SIP (RFC3261) and associated RFCs

    Networking and Provisioning

    • Dual 10/100/1000 Mbps switch Ethernet ports
    • Manual or Dynamic Host Configuration Protocol (DHCP) IP address setup
    • Support of multiple DHCP options: 66,60, 43, 77, 159, 160
    • Time and date synchronization 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), STUN, TURN 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
    • RTCP support (RFC1889)
    • RTP streaming for Paging and Intercom applications
    • IEEE 802.1x
    • LLDP-MED
    • TR-069 /TR-104


    • Integrated IEEE 802.3af Power Over

    Ethernet support

    • AC adapter (48V DC) sold separately. AC adapter is required if using more than a single expansion module

    Package Contents

    • Aastra 6737i phone
    • Handset and coil cord
    • 2 x Footstand
    • Ethernet cable
    • Wall mounting kit
    • Installation Guide


    • 23.5 cm W x 20.8 cm D x 8.0 cm H (9.3”W x 8.2”D x 3.2”H)
    • 940 g (33.0 oz)
    • 4 position footstand
    • Wall mountable

    Operating Conditions

    • Temperature: 0°C to 50°C (32°F to 122°F)
    • Relative Humidity: 20% to 90%, non condensing
    • Storage Temperature: -50°C to 70°C
    • (-58°F to 158°F)


    • CE
    • ROHS compliant
    • WEEE (2002/96/EC)
    • CE Mark (89/336/EEC EMC Directive and 73/23/EEC Low Voltage Directive)


    • FCC Part 15 Class B
    • ICES-003 Class B
    • AS/NZS 3548 Class B
    • EN55022 Class B
    • CISPR22 Class B
    • EN55024
    • EN61000 4-2, 4-3, 4-4, 4-5, 4-6, 4-8, 4-11


    • CAN/CSA C22.2 No. 60950
    • EN 60950
    • UL 60950-1


    • FCC Part 68 (Hearing Aid Compatibility)
    • AS/ACIF S004

    Part Numbers

    • A6737-0131-10-01 – Power adapter sold separately. Eng Keypad
    • A6737-0131-10-55 – Power adapter sold separately. Symbol Keypad.

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    Colour of TelephoneNo
    Warranty12 months
    Please Note
    Please noteAll information is provided for reference only. If you are unsure about any of the features listed, please check the manufacturer's official information.

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