Business Telephony Services and Unified Communications Systems Telewebtech offers traditional telephony services and expanded systems that make use of VoIP (Voice Over Internet Protocol). Properly managed, VoIP allows companies to reduce wire and wireless phone costs by as much as 60%. Both on-site managed and hosted phone systems are available. TWT offers attractive pricing with System as a Service, monthly payments are often under $20 / user. The company also offers cloud based services and custom communications integration of web sites, CRMs, and company systems like email.