58 VoIP cooperates with the three major operators in mainland China to provide SIP Trunk services and Local DID numbers covering major cities in the mainland except the Xinjiang Autonomous Region. It can directly connect SIP Trunks to 3CX systems, eliminating the need to configure third-party VoIP Gateways.

Advantages and Limitation


  • Wide range of DID numbers, can apply for DID numbers in major cities across the country
  • The opening time is short, and when the information is complete, it takes only 7 working days to apply for the number.
  • The number of concurrent channels can be flexibly customized according to the needs, or can be increased at any time.


  • One year contract at least. The annual charge shall be prepaid.
  • Cannot dial special service numbers such as 95116, 10000, only normal mobile and fixed number
  • Currently, we only offer IP2IP connection. So the PBX shall has a public static IP.

Requirements and Fees


  • The applicant shall have a legally registered and operating company in mainland China
  • Copy of company business license
  • Copy of the applicant’s ID


  • Initial Setup Fee 200RMB
  • DID Number Charge 35RMB/Month
  • Outbound rate 0.25RMB/Minute, no inbound charge
  • 180RMB minimum commitment charge per month for one channe