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IoTAS – Frequently Asked Questions


It is not a GCF requirement that all the testing is completed on GCF Field Trial Qualified networks (FTQs), as long as you have the required network infrastructure information to complete the GCF Certification Criteria.

Accordingly IoTAS will select networks that offer the most cost effective solution for testing against the GCF requirements.

Category: GCF

There are 3 types of membership available:

  1. Operator Membership – Open to any Operator of a network based on any 3GPP or 3GPP2 technology: LTE (FDD & TDD); 3G/HSPA/DC-HSPA; GSM/GPRS/EDGE.
  2. Manufacturer Membership – The GCF scheme identifies products as being interoperable with multiple networks and therefore suitable for sale in multiple markets.
  3. Observer Membership – Open to any organisation that has a genuine interest in 3GPP and 3GPP2 mobile devices but is not a network operator or device manufacturer.

For more information go to www.globalcertificationforum.org/membership.html

Category: GCF

The GCF or Global Certification Forum is brings together the world’s leading experts on the interoperability of mobile products from manufacturers, operators, test equipment manufacturers and other industry stakeholders.

GCF membership is open to any organisation with an interest in cellular mobile connectivity. Participating companies demonstrate their shared commitment to supplying the end-users with products that work effectively and efficiently on multiple mobile networks worldwide.

Manufacturers can certify any product incorporating mobile connectivity based on 3GPP and 3GPP2 technologies.

For more information go to www.globalcertificationforum.org

Category: GCF

Local Solutions

IoTAS have representation in the following countries:

  • Australia
  • China
  • Finland
  • France
  • Japan
  • Mexico
  • Turkey
  • United Kingdom
  • United States of America

These country locations also create a wider network of support and deployment opportunities for Customers looking to test globally.


Category: Local Solutions


IoTAS have a dedicated team ready to respond to your testing requirements as quickly as possible.

The type of quote that will be provided is dependent upon the specifics, such as:

  • Device Type (Handset / Embedded Module/ Tablet etc.)
  • Device Category/ Technology supported (this will have a large impact on the quotation)
  • Test Scope – ISO / Non-ISO (additionally broken down into a number of different solutions)

Obviously location and timescales are important factors too.

Category: Sales


Depending upon your location you may be required to include a Commercial Invoice with your equipment shipment.

A Commercial Invoice is a customs document which should include all relevant address information, details about the items being sent, quantities, value, etc. A Commercial Invoice template is usually made available by the courier for use with your shipment.

As the majority for items sent for testing are development or engineering samples they are not for sale and therefore have no direct commercial value.

Accordingly we advise that your declaration for the shipment value be a nominal amount and as low as possible to reflect the non-commercial value of the items. By declaring a low item value  excess import duty fees can be avoided, which are usually automatically applied to shipments whose value exceeds $100 US. Please ensure that the description of the item clearly states that it is a non-commercial sample for the purposes of testing.


In addition we strongly advise that devices are not sent in their OEM marketing/sales packaging as this may be considered a commercial offering by Customs.

We recommend the attachment of a sticker, on every device, clearly stating ‘Engineering/Development Samples’ and ‘No Commercial Value. Value attached for customs purposes only.’

Covering Letter

Please include, with the Airway Bill, a covering letter clearly stating the purpose of shipment. Please use your business letterhead stationery with a company stamp impression or identifier where possible. And electronic version should be sent to logistics@iotas.co.uk

Within the covering letter please declare the following:
1. The phone(s) and/or devices are ‘NON-COMMERCIAL DEVELOPMENT/TEST UNITS’
2. The phone(s) and/or devices are ‘NOT FOR SALE’
3. The phone(s) and/or devices shall be used for ‘R&D AND TESTING PUPOSES IN JAPAN’

Please ensure that you always select the option ‘Duty and Tax to be paid by shipper’
Where Duty and Tax has to be paid by consignee, please inform the same with an advance via email.

Category: Shipping

The regulations on how batteries can be transported are strict and must be followed.

The rules on how batteries, either removable or non-removable shall be shipped is dependent upon your country’s guidelines and the handling requirements of your chosen courier.

Please ensure that you follow the regulations that apply to your devices and batteries when shipping to IoTAS.

Here is a link to the IATA Lithium Battery Guidance Document (Revised 2019) which contains clear information on shipment handling, including packing and marking:


Category: Shipping

Unless you have been instructed otherwise please use the following shipping instructions  for any items destined for IoTAS UK:


Name: Alex Lanham – Support Services
Department: Support Services
Address 1: IoTAS
Address 2: 4 Quy Court
Address 3:

Colliers Lane

Town: Stow-cum-Quy
County: Cambridgeshire
Postcode: CB25 9AU
Country: United Kingdom
Tel No.: +44 1223 810010


Category: Shipping


IoTAS offers a full VoLTE testing solution to ensure your product complies with all of the criteria outlined by the Global Certification Forum (GCF). IoTAS have also developed a VoLTE test plan, which goes beyond the scope of the GCF too thoroughly test the device and give you a high level of confidence that the device is functioning as expected. Examples of the areas these additional tests cover are:

  • Functionality
  • Registration*
  • In Call Supplementary Services*
  • CS Functionality after SRVCC*
  • SMS over IP interworking
  • VoLTE-CS Call interworking

Multiple scenarios not covered in GCF-CC F5.2 are tested

IoTAS are capable of capturing and analyzing both protocol and IMS logs, for test case validation, defect investigation and performance analysis. We have experienced Engineers ready to meet your testing needs. For more information on our VoLTE services contact us here.

Category: VoLTE

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IoTAS are specialists in wireless networking testing and solutions we provide professional outsourcing solutions for 3GPP and other wireless technologies.

For more information about IoTAS please get in touch. Call +44 1223 810010.