Hanlong Technology focuses on VOIP since founded, with more than 8-year professional experience on VOIP technology.
Our R&D team has average 10 years of experience. Working together,our designers combine their respective stores of knowledge to create our interoperable, high-performance IP devices.
Our products have passed interoperability tests by Broadsoft, Huawei, Asterisk,3CX, Philips and more.
Since our strong technology background,we are honored to be the ONLY certificated partner of Texas Instruments in VOIP industry.
Tristar is a provider of Long Distance, Local Telephone Service, and Broadband access between specific locations and the internet. Tristar is unique because we can deliver broadband with multiple technologies. Tristar can provide DSL, Frame-Relay, Point-T
Read more