Working Group

Roaming Quality Enhancement Workshop

Milestone



March 2017 Macau: First Workshop

Mobile network operators face universal challenges in delivering high-quality voice, data and SMS roaming services to users. The Roaming Quality Enhancement Workshop brought together 14 hi-H member companies to share roaming experiences and discuss initiatives for universal improvement. Workshop participants were united by a shared vision to improve customer experience, support the growth of business lines, and strengthen the influence of fellow hi-H partner members in the market.

June 2018 MWC Shanghai: Follow-up Workshop


A follow up session of Roaming Quality Enhancement Workshop was introduced during 2018 MWC Shanghai Mobile workshop. CMI has displayed the result of bilateral roaming quality test among participated members
since 2017, while DT and AT&T presented the important of roaming quality from user experience side and new generation of network side respectively.



Objective



Objectives for roaming quality enhancement included:

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SMS

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SMS

  • Allow fast message delivery.
  • Provide secure and reliable mobile message transmission to customers.

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Voice

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Voice

  • Enhance roaming quality for high-quality voice services.
  • Expand direct connections to more international operators.
  • Deliver outbound traffic via calling line identification (CLI) supportive routes in specified destinations among project members.

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Data

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Data

  • Improve and leverage the parties’ IPX capabilities among hi-H members.
  • Optimize multiple connections to simplify network transport to increase operational efficiency and lower operating costs

Achievement



A roaming network quality measurement program was established among member companies, based on a combination of active testing traffic monitoring. Through regular communication and exchange of measurement information and KPIs among partner networks, the members to enhance roaming service quality and ultimately benefit all parties.



Other roaming quality enhancement initiatives covered in the workshop included VoLTE roaming quality, smartphone apps for roaming common fraud practices, and steering of roaming for quality.

A follow-up workshop was held during June 2018 in Shanghai, focusing on roaming quality test results and customer experience.

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