Prowid course material: https://kurslar.prowid.com/en/index.php?id=lesson&m=4356
VoLTE, VoWiFi and SRVCC · Section 4. Call Continuity: SRVCC
SRVCC: Why and How a VoLTE Call Is Handed Over to 2G/3G
🔒 This is the beginning of the lesson. The full lesson is available with a subscription.