SIGNET Electronic Systems Inc., Norwell, Mass., a privately held system integrator operating in New England, acquired American Business Telephone Company Inc. (ABT), a Chestnut Hill, Mass.-based telecommunications technologies firm. With an expanded focus on telecommunications technology, the asset purchase makes SIGNET one of the largest telecommunications system integrators in the region.

Micro Key Solutions, Kissimmee, Fla., a provider of software solutions for the security alarm industry, created a new program to help users get the most out of Micro Key’s automated solutions. Micro Key announced a series of new skills-based courses delivered online through newly formed Micro Key University (MKU).

ONVIF, a standardization initiative for IP-based physical security products, announced that it released a new set of tools designed to aid member companies in designing and releasing new, innovative ONVIF conformant products to the physical security market.

BICSI, an association supporting the information technology systems (ITS) industry with infor-mation, education and knowledge assessment, partnered with PSA Security Network® (PSA), an electronic security cooperative representing security system integrators, to promote training and credentialing for the electronic safety and security systems industry.

Tyco Security Products, Westford, Mass., announced that it added three key members to its enterprise commercial product management team.The additions of Jeremy Krinitt, Shahar Ze’Evi and Charlie Morganti to the product management team will add dedicated resources in key product areas, including product integrations, NVRs, video storage and mobile applications.

North American Video (NAV), Brick, N.J., a provider of security systems integration technology and services, announced the acquisition of Nexus Technologies Group. Nexus Technologies operates from offices in New York, Philadelphia and Harrisburg, Pa. The business has a long-standing reputation for innovation and customer service.

Stanley Convergent Security Solutions (Stanley CSS), Naperville, Ill., purchased all of the operating assets of First National AlarmCap Income Fund, an alarm company headquartered in Edmonton, Alberta. AlarmCap is Canada’s fourth largest alarm company, according to Stanley CSS. The company, operating under the brand Microtec Security Systems, provides sales, installation, service, monitoring and maintenance of intrusion, fire, video, and access control systems.

IQinVision, San Juan Capistrano, Calif., a provider of high-performance HD megapixel IP cameras, announced a series of personnel promotions, additions, and enhancements to the company’s sales and management teams to further fuel the company’s growth and market penetration.

Mace Security International Inc., Horsham, Pa., announced that Michael Smith was appointed the company’s chief executive officer. Raefield, the company’s current CEO and president, notified the company of his resignation after the completion of his employment contract, effective on August 18, 2011.