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SIP Interconnect Technical Support (English)

We are seeking a highly motivated SIP Interconnect Technical Support to join our newly established Open Communication Network Business Unit. The mission of this Unit is to connect Telcos and App Providers by facilitating a robust and efficient integration process via the SIP trunk technology.

Join us and unlock the potential of seamless communication. As a Technical Support, you will play a pivotal role in handling interconnect, onboarding, and loading phone numbers into the system, as well as providing excellent customer service by answering queries from Telco partners and customers.

Your role & responsibilities:

  • Onboarding: Facilitate the onboarding process for new Telco partners, including setting up interconnect agreements, filling in the interconnect form, coordinating technical requirements, and ensuring successful integration.
  • Phone Number Loading: Manage the loading of phone numbers into our system, ensuring accuracy and adherence to established procedures and guidelines.
  • Troubleshooting: Collaborate with cross-functional teams to address and resolve interconnect-related issues promptly. Use analytical skills to troubleshoot technical problems and implement effective solutions.
  • Customer Queries: Assisting telco partners and customers with technical support inquiries.
  • Documentation: Maintain accurate records and documentation related to interconnect processes, configurations, and troubleshooting activities.

Your skills & qualifications:

  • At least 1 year of experience in VoIP Systems.
  • Experienced in SIP, SIP BYOC, SIP-TLS, RTP, SRTP, SBC.
  • Experienced in Network configuration and troubleshooting (routers, switches, firewalls).
  • Familiarity with Linux.
  • Speaking: Intermediate - Reading: Intermediate - Writing: Intermediate.
  • Understanding of telecommunications infrastructure is appreciated but not mandatory.
  • Can-do attitude, good adaptability, and high responsibility.
  • Be able to work individually and as part of a team.
1 week ago


  • Đà Nẵng, Thành phố Đà Nẵng
  • 6F, 100 Trần Hưng Đạo, Phường An Hải Tây, Quận Sơn Trà, Thành phố Đà Nẵng

Recruitment process

  • Round 1:

    Interview with Technical team
  • Round 2:

    Online Interview with KC



  • 40 Phạm Ngọc Thạch, Phường Võ Thị Sáu, Quận 3, Thành phố Hồ Chí Minh
  • Đà Nẵng, Thành phố Đà Nẵng
  • 6F, 100 Trần Hưng Đạo, Phường An Hải Tây, Quận Sơn Trà, Thành phố Đà Nẵng

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Tech stack