ZYCOO® is the leading developer and manufacturer of IP Communication System. Our slogan “We Focus, We Deliver” is also our mission that is to focus on our commitments to deliver innovative unified communication solutions world wide.

Dinstar has the most complete VOIP gateway products line in China, which covered GSM/CDMA/LTE Wireless Gateway, E1/T1 Trunk Gateway, FXS/FXO Analog Gateway, SIMBANK and SIMCLOUD system etc.
Through our increasing innovation ability, excellent user experience, high performance-price ratio and tailored OEM/ODM service, Dinstar products and services have been widely deployed and recognized by telecom operators, system integrators, and enterprises around the world.

Digium, Inc. is a privately held communications technology company based in Huntsville, Alabama. In 1999, Digium’s founder Mark Spencer created Asterisk, the open source software project that can be used to turn a personal computer into a communications server or Voice over IP (VoIP) phone system.

Today, Digium’s core business lines include Switchvox, the Asterisk-based VoIP business phone system, Digium IP phones, and Asterisk telephony software and hardware products.