Inter-Tel Japan, K.K., was incorporated in 1993 as a wholly owned subsidiary of Inter-Tel, Inc., which was originally incorporated in Arizona in 1969. Capitalized at 100,000,000 JPY, we are well known as a hardware manufacturer and software platforms integration developer. We provide a wide range of managed services, including SIP voice, data, and video network design with convergence across multiple business communications platforms. We also provide cloud-based local and long distance calling services, global DID services, custom software application development, maintenance, leasing, and support services for all of our products. Our customers include business enterprises, government agencies and non-profit organizations. We supply and support the backbone of NTT’s VoIP networks through our Vocal’Net services. Through our apprenticeship training programs, we provide engineering training to financially challenged, but well-deserving youth. Many of our programs lead to permanent positions with our company. In August of 2007, Ottawa-based Mitel Networks Corporation merged with Inter-Tel Inc. Details of the $723 million dollar merger can be found here. More information on Mitel support in Asia can be found here.

Business Details

Company Name: Inter-Tel Japan, Inc. 
Established:  September 3, 1993
Capitalization:  ¥100,000,000
President and CEO:  Michael R. Bell
Principal Activities:  Manufacturing, sales and support of fixed-line and mobile telecommunications equipment and peripheral devices. Cloud-based, enterprise-class telecommunications services.
Main Divisions: Business Solutions Division

Consumer Solutions Division 

Service & Support Division

Steven G. Mihaylo

Norman Stout

Kurt Knipp

Lyle Erwin

Senior Advisor:  Danny Ee

Keisuke Hana

Statutory Auditor:  Masanori Sakaguchi
Legal Council:  Ryosuke Nemoto

Customer Service

Please submit a ticket to us through our SupportSTAR database For emergency support, please call: 03-6721-7098.

Apprenticeship and Internship Programs

Inter-Tel Japan supports a wide variety of programs to ensure that all youth have the skills and training they need to successfully make the transition to adulthood and careers. Our programs include:

Apprenticeship Training: Apprenticeship training is a combination of on-the-job training and related classroom instruction in which workers learn the practical and theoretical aspects of our highly skilled occupation. Applicants for apprenticeship programs must meet our qualifications for a defined career pathway. Upon completion of our programs, the apprentice becomes fast-tracked for employment with Inter-Tel.
Internship Training: Internship training focuses on project-based opportunities for career exposure. Most of our internship work is contract based, flows in cycles and focuses on limited aspects of the interns’ specified career.


Inter-Tel Japan recruits individuals who consistently set personal standards for excellence. Our team of talented employees has helped build a successful, rapidly growing organization that prides itself on delivering superior customer service backed by excellence in dynamic, innovative, technologies. We are seeking employees who willingly sharing their talent, industry expertise and professionalism with every interaction.


Current Openings:

We are always seeking Japanese software development engineers for potential relocation assignment to support our business interests in China. You will be responsible for:

  • Designing and delivery of highly available and highly scalable telephony infrastructures to service thousands of simultaneous calls.
  • Designing and deploying converged networking solutions (e.g., PBX, video and voice conferencing systems).
  • High-level technical support of related issues.
  • Capacity planning and utilization.
  • Tuning and monitoring of systems.
  • Working with vendors for related support and services.
  • Ability to support, administer, and manage IPT environment documentation.

Job Requirements:

  • Extensive knowledge and experience with all NTT protocols, VoIP including H.323, SIP, SIP trunking, SIP gateways, SBC, data convergence, QoS, MOS & R-Factor scores, bandwidth traffic calculations, LAN and WAN operation and design.
  • Superior knowledge of voice and data network transport platforms including, but not limited to J1/T1/E1, IP using Frame and private line networks.
  • Clear understanding of networking concepts and protocols STP, MPLS, VoMPLS, OSPF, VRRP/HSRP, TCP/IP/UDP/HTTP.
  • Understanding of IPv4/v6 addressing, router components and functionality.
  • Working knowledge of Video H.261/263 protocols and equipment.
  • Thorough understanding of object oriented programming concepts and key design patterns (MVC, DAO).
  • Experience developing in Java, C/C++, or C#.
  • Familiarity with HTML, Javascript, JSON, XML, XSD, SOAP/REST web services.
  • Experience with relational database concepts and SQL.
  • Experience with open-source platforms such as asterisk and freeSWITCH.
  • Good understanding of operating system internals, software engineering and SDLC. Familiarity with Linux is a plus.
  • Ability to work well in a team environment and to adapt to team processes and styles with ease.
  • Excellent problem solving and communication skills.
  • Ability to quickly learn and apply new technologies.
  • Masters in computer science or bachelors with at least 1 year of experience preferable.
  • Strong command of English, Japanese and Chinese is a plus.

Compensation package based on experience. Interested candidates should submit their resume to

Contact Us

Inter-Tel Japan, K.K.
Square Daikanyama Building
8-7 Daikanyama-cho
Shibuya-ku, Tokyo, 150-0034




For more information, please contact us.