• SIP Trunking

    IPPBX SIP Trunk

    Already have IPPBX,
    Help you call in & out using VOIP

  • Hosted PBX

    Cloud Phone System

    A flexible, powerful and cost efficient alternative to a telephone system

  • Customize Solutions

    Consulting in China

    Provide professional suggestions when you set up VOIP system


About us

A Leading Business VOIP Solution Provider in China

As one of the china professional VOIP providers, CTS has been delivering Amazing Service to business of all sizes since 2007 in china. We take great pride in providing the highest quality business phone system for any type of business. From small business phone system to large call center service, our hosted PBX and SIP Trunking can save your business 70% on phone system and service costs.

Room 215 Building 4,Focus Innovation Park ,No. 3599 Yuanjiang Road, Minhang District, Shanghai


@2007-2017 Shanghai xiyou computer technology Co.Ltd 沪ICP备07022691号 沪公网安备 31011202002156号 Customer Portal Login 我要啦免费统计