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Roaming Training & Consultancy

Basic and advanced levels in various languages

ROAMING TRAINING AND CONSULTANCY

Roamingwise offers roaming trainings (online and on-site) and consultancy on a variety of international roaming topics. Next to English, trainings can be provided in Spanish, Dutch and French.

Training

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In-house Training

Basic and advanced trainings on commercial and technical roaming topics. For further details click here!

Seminars

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Seminars

Online Training Seminars are organised throughout the year. For further details click here!

Consultancy

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Consultancy

Consultancy on short-term and long-term roaming projects. For further details click here!

TRAININGS

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All trainings can be delivered as customer dedicated training on a date which is suitable to you. For information, please send a mail to info@roamingwise.com.

CONSULTANCY

Roamingwise has various consultants available to deliver the following roaming activities:

ROAMING START-UP

Guidance to setting up the roaming team, preparing documents, GSMA membership, IREG and TADIG testing and launching the first roaming agreements.

ROAMING AGREEMENT NEGOTIATION

Contacting potential roaming partners and having roaming agreements signed. IOT Discount Negotiation can be included.

IOT DISCOUNT STRATEGY & NEGOTIATION

Looking at the traffic figures a strategy of IOT Discount Negotiation is prepared and roaming partners are approached to negotiate the best possible deals.

TESTING AND TROUBLESHOOTING

  • IREG and TADIG Testing (GSM, GPRS, CAMEL, UMTS and LTE) on-site and off-site
  • Roaming configuration
  • Troubleshooting roaming issues

To discuss your consultancy needs in detail, please contact us.

RECENT EVENTS

ABOUT

With her passion and enthusiasm for Roaming and training, Milja Hofman started the company Roamingwise in 2011 in which she combines the two.

In sharing her broad knowledge, she uses the 20 years of experience she gained working as Product Manager International Roaming  at Telfort The Netherlands, the Data Clearing House MACH and the many projects she delivered via Roamingwise. Milja closely follows the GSMA working groups and teaches the GSMA standards.

Milja delivered on-site trainings to over seventy operators worldwide and organised a number of successful Open Training Seminars.

SPECIALISED TRAINERS

Erik Vrolijk

Erik Vrolijk

Following a successful managerial career within Finance & Wholesale at the KPN Mobile Group, Erik Vrolijk founded Connect2Roam early 2007. Erik specializes in improving the profitability of the roaming business for mobile operators. Part of his service portfolio is providing support on IOT negotiations. Many companies have chosen Connect2Roam because of our outstanding experience and contacts in the industry.

Joshua Odoteye

Joshua Odoteye is an international telecom consultant with over 12 years experience in the telecom industry. His core areas of expertise are international roaming and core networks. He has supervised the implementation, testing and launching of over 300 LTE roaming services as well as several GSM/CAMEL/UMTS services. Joshua has consulted for various mobile operators across Europe and Africa and has extensively worked on global vendor products including Ericsson, Huawei, Cisco and Nokia.

Chrisjan de Weerd

Chrisjan de Weerd

With over 27 years of experience in the mobile industry, Chrisjan has worked for a number of mobile service providers, network operators and equipment manufacturers. He has a background in product management, product development / innovation and strategy setting on national and international level. Chrisjan has expert knowledge of sim cards, eSIM’s and eSIM platforms, Multi IMSI applications, mobile devices, mobile device management platforms and IoT.

PARTNERS

CLIENTS

TESTIMONIALS

Roaming All-round

21-04-2026|

I appreciated that Milja tailored the amount of time spent on topics to the group taking the training and her ability to discuss industry trends.

Andrew Zulkoski, Carrier Relations Manager, SaskTel Canada

BCE

18-02-2026|

Milja Hofman is a very efficient and eloquent trainer with deep knowledge of the subject and with the ability to convey that knowledge in a very direct and effective way.

Manuel Garbes, Senior Roaming Manager, Nova Greece

Travel eSIM

17-02-2026|

The session was very informative and technical.

Seba Al-Naami, Assistant Specialist, Zain Omantel Oman

Thales, France

03-10-2025|

Thanks for having tailored the content to our needs, your deep expertise in both technical and business fields, and your ability to answer questions whlile keeping the pace of the training.

Frederic Martinent, Product Line Manager, Thales, France

CONTACT

Telephone

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+31610235958

E-mail

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