Pac-West Telecomm, Inc. provides integrated communications solutions, which enable communication providers to design, deploy, and deliver integrated communications services to their end-users in the United States. The company’s dial access services provide incoming call access lines, modems, routers, and authentication services. Its collocation services enable its customers to install equipment in switch facilities and interconnect directly to the company’s central office switching, transport, and data equipment. Pac-West Telecomm’s high-volume multirate center local service offers customers to establish local points of presence. Its VoiceSource suite of products,...