Family-Owned & Operated for More Than 40 Years.

When you partner with Comtel, you can trust you’re dealing with local technicians, all trained in-house, who provide quality consultation, excellence in systems knowledge, a range of brands, and an understanding of local businesses.

No matter the size of your business, Comtel is committed to finding the right-sized solution for you.

After deployment, Comtel can continue to support you with local and qualified technicians who can be on-site to help you, with critical spare parts, within 2 hours.

Comtel’s History


Derm Guerin & Leith Tebbit start GT Communications (Guerin & Tebbit Communications), to provide communications systems to the Darling Downs and Western Downs.


Founder, Derm, testing GT (Guerin & Tebbit Communications) radio coverage from a service vehicle.


GT Communications launches Wide Area UHF Darling Downs and Lockyer Valley, allowing you to talk from Dalby to Gatton in the car.


First generation GARDA Dog deterrent designed and deployed for Paroo Shire Council. 


GT Communications rebrands as Comtel in Toowoomba.


Australian Federal Government deregulates the supply of telephony equipment and Comtel becomes Telecom's (Telstra) first local competitor.


Comtel supplies first non-Telecom PABX, after industry deregulation, to McLean Farms at Pittsworth.


First mobile phone deployments on the Telecom 017 network in Toowoomba.


Comtel, an early adopter for solar technology, setting up site infrastructure to increase radio coverage of remote emergency services in South West Queensland.


Comtel expands reach, opening our Brisbane branch as Philcomm to specialise in radio and fleet communications in a joint venture with Telecoast Communications.


Comel expands its reach, opening an office at Gailes East of Ipswich as our agreements procluded us from trading in Brisbane, so we set up on the boarder.


Leasing the top of Waterfront Place building in Eagle St, Brisbane to extend the wide area network to provide extended coverage around Brisbane.


Comtel becomes a Siemens partner (now Unify).


Comtel becomes a Optus Mobile Satellite Dealer.


Comtel wins Phillips Group Dealer Of The Year.


Comtel acquires Com Site Rentals (QLD) and Trunked Wide Area Radio Network covering South East Queensland.


Comtel installs the first private microwave link to Toowoomba City Council joining Administration to the Works Department. 


Comtel becomes a Telstra Premium FixedNet Dealer - one of the few dealers nationwide selling the whole suite of Telstra products.


Comtel deploys 5000 Users across Ipswich and West Moreton Regional Health's seven 7 Sites on Siemens HiCom 300 Network


Mt Kynoch tower is upgraded from 30m tower to a taller & stronger 40m tower, allowing for more more microwave dishes, providing extended services to the wider Toowoomba region.


Comtel purchases Siemens Enterprise Communications service agreements in Queensland and employees 4 staff.


Comtel, an early adopter of Australian-invented wifi, deploys our first 802.11 WiFi 0 links, joining buildings together. 


First national VoIP deployment over ISDN. The system reduced costs and allowed a lot more capacity.


Comtel deploys HiPath 4000 system to the  Brisbane Youth Detention Centre.


Comtel moves from Gordon Ave to a larger warehouse/ office in Ann St, Toowoomba, to accommodate the growing team.


Comtel part takes in an international project (Philippines), North Luzon Expressway for Leighton Construction funded by the World Bank to link eight sites with hundreds of kilometres of fibre.


Comtel upgrades over 2000 users of the University of Southern Queensland to Siemens HiPath DX V9, saving tens of thousands of dollars in replacement costs. 


Comtel deploys its first controller-based multi access point WiFi.


Comtel installs phone system for Brisbane State High School.


For utilising their tech in novel ways, Comtel wins Siemens Australian Dealer of the Year. 


Comtel acquires Tebbits Communications in Dalby, expanding service area to Western Queensland, and putting the GT Communications band back together.


Comtel deploys HiPath 5000 to the Queensland Department of Education School for 400 teachers of Distance Education.


Comtel introducing SIP Trunking (internet phone lines) to Queensland clients, reducing costs by 60%.


Comtel partners with Wagner Airport Corporation for radio communications and air services at Toowoomba Wellcamp Airport (WTB), Australia's first international airport in over 40 years. 


Comtel acquires Telecoast Communications on the Gold Coast, expanding serviced area to Northern New South Wales.


Comtel deploys DMR Tier 3 Wide Area Network over 13 sites covering South East Queensland, supporting 3000 users.


Comtel partners with the 2018 Commonwealth Games to deploy 800 Vehicle Radios with zero faults across the Games.


Comtel wins Unify Australian Dealer Of The Year


On behalf of a client, Comtel deploys Unify OpenScape Voice for 250 site customer across Australia. 


In response to the COVID-19 pandemic, Comtel launched Private Cloud Telephony solution powered by Unify OpenScape Voice.


Comtel’s pilot on staff expands our rural client support, including upgrades to the HF radios for Parks and Wildlife Service at Currawinya National Park.


In support of the Brisbane City Council bus project, Comtel deploys a wide area dark fibre network to connect all the broadcast radio sites with fibre in the ground for private and secure broadcast two-way radio communication channels. 


Comtel deploys 500 Avigilon CCTV 500 Camera in global project across Australia, USA and Asia. 


Comtel’s Mt Kynoch tower today, part of our tower network providing coverage from Millmerran to Brisbane, up to Gympie and down to the Tweed.

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