Products of Mitel
Mitel: Phone Systems, VoIP & Unified Communications for Industry and Commerce
Mitel is a leading manufacturer of business communication systems – telephone systems, IP PBX, DECT handsets, unified communications and contact centre solutions for organisations of all sizes, available from Lieske Elektronik, your B2B specialist for IT and communications technology.
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1973
Year Founded
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3,500+
Employees Worldwide
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70+
Countries Worldwide
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50 Mio.+
Users Worldwide
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Professional Business Communications – from IP PBX to the CloudMitel was founded in 1973 by Michael Cowpland and Terry Matthews in Ottawa, Canada. After decades of experience in TDM PBX systems, Mitel has fully specialised in VoIP, unified communications (UC) and contact centre solutions. The acquisition of Unify in 2023 extended the portfolio with the established OpenScape and Unify product families. Mitel supports hybrid communication strategies: on-premises, cloud and hybrid scenarios within a unified system. Industry focus areas include healthcare, manufacturing, government, hospitality and multi-site enterprises. The product range covers IP desk phones, DECT handsets, softclients, IP PBX, UCaaS services and contact centre software. Lieske Elektronik offers Mitel endpoints and system components for B2B customers – with expert advice on migration paths from legacy TDM systems to modern VoIP infrastructures. |
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► Product Families at a Glance
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⚡ IP System Phones & Endpoints
Mitel 6900/6800 series: SIP desk phones for office, call centre and administration. Colour displays, HD audio, PoE operation, Bluetooth and USB headset support. For on-premises and cloud PBX systems.
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★ DECT Systems & Mobile Handsets
DECT base stations and handsets (Mitel DECT 142/612d) for enterprise DECT infrastructures. Robust variants for hospitals, industry and logistics. Multicell DECT for large-area coverage.
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◆ IP PBX & Phone Systems
MiVoice Business, MiVoice Office 400 and OpenScape Business for on-premises installations. Scalable from 5 to 65,000 extensions, with unified messaging, conference bridges and SIP trunk support.
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► UCaaS & Contact Centre
MiCloud Connect and MiTeam Meetings for cloud UC. MiContact Center Business for omnichannel customer communication (phone, chat, email, social media). Microsoft Teams integration for hybrid scenarios.
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► Application Areas for B2B Customers
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★ Healthcare
HIPAA-compliant UC systems for hospitals and care facilities – alerting, nurse call, DECT integration and secure patient communication.
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⚡ Manufacturing & Industry
Robust DECT handsets and IP phones for production environments, machine control integration and company-wide communication across multiple sites.
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◆ Multi-Site & Hospitality
Centrally managed phone systems for multi-location businesses and hotels – guest telephony, housekeeping integration, conference systems and guest WLAN connectivity.
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► Your Benefits with Mitel at Lieske
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► Mitel Products by Category
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► Frequently Asked Questions about Mitel
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Which Mitel phone systems are suitable for small and medium-sized businesses?
MiVoice Office 400 and OpenScape Business (from the Unify acquisition) are designed specifically for SMEs: straightforward administration, integrated voicemail, SIP trunk connectivity and optional cloud expansion – scalable from 10 to 500 extensions.
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Can I integrate Mitel systems with Microsoft Teams?
Yes. Mitel offers certified direct integration (Direct Routing) for Microsoft Teams. Mitel IP phones and DECT handsets can be used as Teams-certified devices in hybrid communication environments.
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What does the Unify acquisition mean for existing Unify customers?
Mitel takes over full product support for all Unify OpenScape products. Existing customers benefit from continuity guarantees and an expanded support network. Migrations to newer Mitel or OpenScape platforms are actively supported.
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Mitel Enquiry for Your Communications Project?
Volume discounts, project pricing & expert advice for B2B customers – contact us today.
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Request Now |
Categories with products from Mitel
- Electronics ➤ Energy ➤ Network devices ( 1 )
- IT-Equipment ➤ Networks ➤ VoIP ➤ Accessories ( 1 )
- IT-Equipment ➤ Storage Media ➤ Memory Cards ➤ CompactFlash ( 1 )
- Technology ➤ Telecommunication ➤ Accessories ( 2 )
- Technology ➤ Telecommunication ➤ Headsets ➤ Corded Headsets ( 1 )
- Technology ➤ Telecommunication ➤ System Telephones S0/UP0 ( 2 )
- Technology ➤ Telecommunication ➤ Telephone Systems ( 1 )
- Technology ➤ Telecommunication ➤ Telephones Wireless ➤ Accessories ( 3 )
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Mitel 1HB8-0000BLFMitel 1HB8-0000BLF Digium PCIe 8-Port Hybrid Base Card with EC Eight Port Hybrid PCI-Express x1 card, no interfaces with HW Echo Can Lieske Part No.: 1044762 Mfg Part No: 1HB8-0000BLF |
480,61 EUR 480,61 EUR
 ≈ £402.27 | ≈ $537.80
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Mitel 1HB8-0400BLFMitel 1HB8-0400BLF Digium PCIe 8-port hybrid card with 4BRI and EC Eight Port Hybrid PCI-Express x1 card with 4 BRI interfaces and HW Echo Can Lieske Part No.: 1044808 Mfg Part No: 1HB8-0400BLF |
761,20 EUR
≈ £637.12 | ≈ $851.78
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Mitel 1HB8-0440BFMitel 1HB8-0440BF Digium PCIe 8-port hybrid card with 4BRI 4FXS and EC Eight Port Hybrid PCI-Express x1 card with 4 BRI and 4 Station interfaces and HW Echo Can Lieske Part No.: 1044810 Mfg Part No: 1HB8-0440BF |
919,95 EUR
≈ £770.00 | ≈ $1,029.42
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Mitel 1HB8-0800BLFMitel 1HB8-0800BLF Digium PCIe 8-port hybrid card with 8BRI and EC Eight Port Hybrid PCI-Express x1 card with 8 BRI interfaces and HW Echo Can Lieske Part No.: 1044809 Mfg Part No: 1HB8-0800BLF |
1.050,20 EUR 1.050,20 EUR
≈ £879.02 | ≈ $1,175.17
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Mitel 1TELD004LFMitel 1TELD004LF Sangoma Handset, Spare, D4x, D5x, D7x Series IP Phones Handset, Spare, D4x, D5x, D7x Series IP Phones Lieske Part No.: 1044719 Mfg Part No: 1TELD004LF |
22,71 EUR
≈ £19.01 | ≈ $25.41
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Mitel 20260511Mitel MiVoice Office 400 power supply cable 230 V/2 m Netzanschlußleitung 230V/2 m Lieske Part No.: 823815 Mfg Part No: 20260511 |
9,91 EUR
≈ £8.29 | ≈ $11.09
Delivery time from supplier's stock (ca.) 4 workdaysinfo_outline
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Mitel 20322815Mitel MiVoice Office 400 QSIG 4 Kanäle erweitert den Kommunikationsserver um 4 QSIG Kanäle für die Vernetzung über Standardfestverbindungen Lieske Part No.: 479325 Mfg Part No: 20322815 |
307,96 EUR
≈ £257.76 | ≈ $344.61
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Mitel 20322817Mitel MiVoice Office 400 QSIG maximale Anzahl erweitert den Kommunkikationsserver um die maximale Anzahl QSIG Kanäle für die Vernetzung über Standard- festverbindungen Lieske Part No.: 479326 Mfg Part No: 20322817 |
836,68 EUR
≈ £700.30 | ≈ $936.24
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Mitel 20327411Mitel MiVoice Office 400 Lizenz für CTI 3rd-Party Basic (mit OIP) Die Basic-Lizenz gibt die CTI-Grundfunktionen (z. B. für die Nutzung einer PC-Wahlhilfe) für alle internen Teilnehmer des lizenzierten Systems frei. Voraussetzung ist eine bestehende CTI connection ... Lieske Part No.: 479396 Mfg Part No: 20327411 |
193,90 EUR
≈ £162.29 | ≈ $216.97
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Mitel 20328174Mitel MiVoice Office 400 Lizenz Erweitertes Messaging für Ascom 9d24 Advanced Messaging Lizenz für die Anschaltung eines Ascom IMS Server Protokolls zur Integration eines SMS-Servers sowie das Anmelden von 9d-Handapparaten als Systemendgeräte (Produkte von Ascom ... Lieske Part No.: 468578 Mfg Part No: 20328174 |
836,68 EUR
≈ £700.30 | ≈ $936.24
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Mitel 20328451Mitel MiVoice Office 400 Lizenz AIN Basic (Master inkl. 1 Satellit) Lizenz zur Einrichtung eines transparenten Aastra Intelligent NET (AIN). Beinhaltet die Anbindung eines externen Systems (Satelliten), weitere externe Systeme müssen separat lizenziert werden. Die ... Lieske Part No.: 457967 Mfg Part No: 20328451 |
254,73 EUR
≈ £213.21 | ≈ $285.04
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Mitel 20328452Mitel MiVoice Office 400 Lizenz AIN Erweiterung (je +1 Satellit) Lizenz zur Anbindung eines externen Systems (Satelliten) in ein transparentes Aastra Intelligent NET (AIN). Setzt eine bestehende AIN Basic Lizenz voraus. Lieske Part No.: 458256 Mfg Part No: 20328452 |
205,30 EUR
≈ £171.84 | ≈ $229.73
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Mitel 20329239Mitel MiVoice Office 400 Lizenz für 1 SIP-Access Kanal SIP-Trunk Kanäle zur Anbindung von externen Applikationen oder SIP Amtszugängen Lieske Part No.: 462126 Mfg Part No: 20329239 |
33,05 EUR
≈ £27.66 | ≈ $36.98
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Mitel 20329240Mitel MiVoice Office 400 Lizenz für 1 SIP-Endgerät Die SIP-Endgeräte-Lizenz erlaubt den Anschluss von SIP basierenden Endgeräten an den Aastra Kommunikations- server Lieske Part No.: 463935 Mfg Part No: 20329240 |
39,35 EUR
≈ £32.94 | ≈ $44.03
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Mitel 20329320Mitel MiVoice Office 400 Analoge Netzkarte TIC-4AB inkl. WA-2W Modul zum Anschluß von 4 analogen Amtsleitungen (HKZ). Enthält Verdrahtungsadapter WA-2W Lieske Part No.: 455631 Mfg Part No: 20329320 |
205,30 EUR
≈ £171.84 | ≈ $229.73
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Mitel 20329321Mitel MiVoice Office 400 ISDN Netzkarte TIC-2 T/S inkl. WA-TS0 Schnittstellenkarte mit 2 ISDN-Anschlüssen zu Endgeräten oder zum Telefonnetz (umschaltbar). Enthält Verdrahtungs- dapter WA-TS0 Lieske Part No.: 455621 Mfg Part No: 20329321 |
133,07 EUR
≈ £111.38 | ≈ $148.91
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Mitel 20329323Mitel 20329323 MiVoice Office 400 ISDN network card TIC-1PRI incl. WA-1PRI-1 Schnittstellenkarte mit 1 ISDN PRI (T2) Anschluss zum Telefonnetz mit 10 lizensierten Kanälen für Aastra 415/ Aastra 430). Enthält Verdrahtungsadapter WA-1PRI-1 Lieske Part No.: 823813 Mfg Part No: 20329323 |
384,00 EUR
≈ £321.41 | ≈ $429.70
Delivery time from supplier's stock (ca.) 4 workdaysinfo_outline
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Mitel 20350090Mitel MiVoice Office 400 Cable Cover Kit Montage Kit für die Wandmontage inklusive Kabelösen und Kabelabdeckung Lieske Part No.: 457958 Mfg Part No: 20350090 |
25,01 EUR
≈ £20.93 | ≈ $27.99
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Mitel 20350173Mitel MiVoice Office 400 Verdrahtungsadapter 4-Draht TS0 Verdrahtungsadapter 4-Draht (TTTT oder STTT) Lieske Part No.: 457959 Mfg Part No: 20350173 |
12,61 EUR
≈ £10.55 | ≈ $14.11
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Mitel 20350236Mitel MiVoice Office 400 Rack Mount Kit Mitel SMB und Mitel IntelliGate 150 Montage Kit für den Einbau in ein 48,3 cm ( 19 inch ) Rack Lieske Part No.: 457955 Mfg Part No: 20350236 |
25,01 EUR
≈ £20.93 | ≈ $27.99
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Mitel 20350247Mitel SMB - power cable for A415/430 power supply Mitel SMB - power cable for A415/430 power supply Lieske Part No.: 1498734 Mfg Part No: 20350247 |
8,69 EUR
≈ £7.27 | ≈ $9.72
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Mitel 20350370Mitel MiVoice Office 400 Verdrahtungsadapter 4-Draht TS1 Verdrahtungsadapter 4-Draht (SSTT oder SSST) Lieske Part No.: 457961 Mfg Part No: 20350370 |
13,34 EUR
≈ £11.17 | ≈ $14.93
Made to order · Delivery time approx. 20 workdaysinfo_outline
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Mitel 20350436Mitel MiVoice Office 400 Analog Terminal Card ETAB4 (4 x FXS) incl. WA-2W Schnittstellenkarte mit 4 FXS-Anschlüssen zu Endgeräten. Enthält Verdrahtungsdapter WA-2W Lieske Part No.: 823810 Mfg Part No: 20350436 |
114,84 EUR
≈ £96.12 | ≈ $128.51
Delivery time from supplier's stock (ca.) 4 workdaysinfo_outline
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Mitel 20350441Mitel MiVoice Office 400 Systemkabel 2 x RJ45 4 Pin und 10 x RJ45 2 Pin 6m Systemkabel 6m zur direkten Beschaltung (2x4 + 10x2 adrig, RJ45) Lieske Part No.: 457964 Mfg Part No: 20350441 |
35,42 EUR
≈ £29.65 | ≈ $39.63
Made to order · Delivery time approx. 20 workdaysinfo_outline
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