Amtech Systems is one of the largest Unified Communication and UCaaS (Unified Communication as a Service) provider in Pakistan. Amtech Systems had been involved in providing SIP trunking, SIP cloud integration using Sonus Session Border Proxy initially with completing the largest UC Microsoft Teams cloud integration with PBX for Philip Morris back in 2015-2016 in Pakistan. With Sonus now as Ribbon Commuication, Amtech Systems provides specialize services and integrations connecting your existing PBAX with Microsoft Teams, Zoom Phones and with other cloud platforms in Pakistan.