Koller-Computer GmbH is a company known for its customer-friendliness, punctuality, and excellent service.Our main areas of focus include:- Trading of hardware and software- Network technology and network security- Support and maintenance- Migration and optimization- Voice and VOIP (Voice over IP)- Data security and firewall technology- Consultation and integration of ICT and telephone services- Computer services- Sale of hardware and software of all kinds, including Apple products- Setting up internet connections, corporate networking, firewall SwisscomTV, mobile internet- Planning and implementation of IT networks for business and private sectors- Connecting home electronics (watching vacation photos on TV is no problem; we establish the connection)- Creating graphic products such as business cards, logos, websites, etc.- Telephone services- Internet telephony (Voice or IP) Sipcall, BluewinPhone, etc.- Planning and setting up telephone systems- Connection to computer network CTI- Administrative tasks such as mutations, relocation, etc.