VoIP on-premise telephone systems can also help your organization gain a competitive advantage by boosting employee productivity, and enhancing customer service. If you already have an "on-premise" telephone system that is SIP capable, then Lantech Communications can provide "Sip Trunking" for your current telephone system. However, if you need to upgrade to VoIP technology, Lantech Communications will provide the equipment, installation and training for your new VoIP and SIP enable telephone system and network.