IWF Interworking Function
The Interworking Function is used to provide circuit switched data services when connecting a cellular network to a PSTN. It is comprised of rate adapters, modems and fax adapters.
We offer a wide variety of live and on demand courses covering 2G, 3G, 4G and 5G, RAN and core-focused training, complementary technologies including Wi-Fi, security and packet transport networks.
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From 2–5 March 2026, meet the Mpirical team and explore industry-led telecoms training. Find us in Hall 4, Stand CS300