Voiceserve, Inc., through its subsidiaries, engages in developing, manufacturing, licensing, and supporting a range of voice over Internet protocol (VoIP) software products and services for various types of communication devices in Europe, North America, Asia, and internationally. It provides VoipSwitch, an Internet protocol telephony system offering services, such as device to phone technology, personal computer (PC) to phone/Web to phone features, calling cards, SMS/ANI/PIN/DID/WEB callback, DIDs' mapping, and call shops; Videoswitch, a video on demand platform for delivering online content to various screens ranging from smartphones and PCs to high definition home theatres; and Call-to-PBX, which offers voice, video, and mobile IP communications solutions for small-to-medium size businesses and residential customers. The company markets its products and services to VoIP wholesalers termination carriers, retail VoIP providers, Internet providers, including WiFi and WiMax operators, cable TV networks, GSM providers, telecom resellers, prepaid serve companies, and small-to-medium size companies.

Voiceserve, Inc. was founded in 2002 and is based in Edgware, the United Kingdom.