该小组履行以下部分或全部职责：

电话安装工和维修工

• 安装、安排、拆除和维护电话设备、布线和相关硬件
• 测试已安装的电话系统以定位传输故障
• 修理或更换有缺陷和损坏的电话、电线和相关设备。

交换机网络安装和维修人员

• 在电信中心局和交换中心安装机电、模拟和数字中继系统、电路和设备
• 检查和测试中继系统、电路和设备
• 分析测试结果并调整、更改或修复交换系统、网络、相关设备和软件。

电信服务测试仪

• 操作计算机化测试系统，对客户线路和设备进行服务测试
• 确定服务故障的性质、原因和位置
• 派遣合适的维修人员
• 完成测试报告并维护测试和服务记录
• 可协助维修人员测试线路、电路和系统，隔离和清除电缆故障并验证记录。

电信设备技术员

• 安装、拆除和维护各种电信设备和相关系统，例如电传和传真机、电传打字机、移动无线电、蜂窝电话、寻呼机和其他电信设备
• 配置操作系统并安装软件以访问互联网
• 检查和测试电信设备的运行
• 诊断和定位设备故障，调整、更换或维修电信设备。

有线电视服务技术人员

• 与订户和公司人员沟通以确定工作分配
• 连接、断开和重新定位电缆插座，安装分路器、转换器、解码器、终端、数字盒和卫星设备，以及安装其他电缆或无线调制解调器、路由器和软件，以便在用户处实现互联网访问
• 在订户处检查、测试和维修有线和卫星电视信号及相关设备

• 必须完成中学学业。
• 电话和交换机网络安装和维修人员需要完成三到四年的学徒计划，或者结合三年以上的行业工作经验和一些高中、大学或行业相关课程。
• 有线电视服务技术人员需要完成电子大学课程或与电子和电气系统相关的大学、函授或行业课程的组合，以及在职培训或完成为期四年的有线电视技术员学徒计划。
• 电信设备技术人员通常需要完成大学电气和电子课程以及几个月的在职培训或完成三年或四年的学徒培训课程。
• 在新斯科舍省、艾伯塔省、不列颠哥伦比亚省、西北地区和努纳武特地区，可以为通信技术人员提供行业认证，但这是自愿的。
• 服务测试员通常需要有安装和维修（电话和交换机网络）经验。

• 随着经验的积累，可能晋升到有线电视服务技术员的监督职位。

• 承包商和主管、电气行业和电信职业 ( 72011)
• 电子服务技术员（家庭和商业设备）（22311）
• 电信线路和电缆安装和维修工（72204）

This group performs some or all of the following duties:

Telephone installers and repairers

• Install, arrange, remove and maintain telephone equipment, wiring and associated hardware
• Test installed telephone systems to locate transmission faults
• Repair or replace defective and damaged telephones, wire and associated equipment.

Switch network installers and repairers

• Install electromechanical, analog and digital trunking systems, circuits and equipment in telecommunications central offices and switching centres
• Inspect and test trunking systems, circuits and equipment
• Analyze test results and adjust, change or repair switching system, network, associated equipment and software.

Telecommunications service testers

• Operate computerized testing systems to conduct service tests on customer lines and equipment
• Determine the nature, cause and location of service trouble
• Dispatch appropriate repair personnel
• Complete test reports and maintain test and service records
• May assist repair personnel to test lines, circuits and systems, isolate and clear cable faults and verify records.

Telecommunications equipment technicians

• Install, remove and maintain various telecommunications equipment and related systems such as telex and facsimile machines, teletypewriters, mobile radios, cellular telephones, pagers and other telecommunications equipment
• Configure operating systems and install software for access to the Internet
• Inspect and test operation of telecommunications equipment
• Diagnose and locate equipment faults, and adjust, replace or repair telecommunications equipment.

Cable television service technicians

• Communicate with subscribers and company personnel to determine work assignments
• Connect, disconnect and relocate cable outlets, install splitters, converters, decoders, terminals, digital boxes and satellite equipment, and install other cable or wireless modems, routers and software to enable Internet access at subscriber’s premises
• Inspect, test and repair cable and satellite television signals and associated equipment at subscriber’s premises

• Completion of secondary school is required.
• Telephone and switch network installers and repairers require completion of an apprenticeship program ranging from three to four years or a combination of over three years work experience in the trade and some high school, college or industry related courses.
• Cable television service technicians require completion of a college program in electronics or a combination of college, correspondence or industry courses related to electronics and electrical systems and on-the-job training or completion of a four-year cable television technician apprenticeship program.
• Telecommunications equipment technicians usually require completion of a college electrical and electronics program and several months of on-the-job training or completion of a three- or four-year apprenticeship training program.
• Trade certification for communication technicians is available, but voluntary, in Nova Scotia, Alberta, British Columbia, the Northwest Territories and Nunavut.
• Experience as an installer and repairer (telephone and switch network) is usually required for service testers.

• Progression to supervisory positions for cable television service technician is possible with experience.

• Contractors and supervisors, electrical trades and telecommunications occupations (72011)
• Electronic service technicians (household and business equipment) (22311)
• Telecommunications line and cable installers and repairers (72204)