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.