Foreword1 Scope2 References3 Definitions, symbols and abbreviations4 UMTS capability set5 Naming conventions6 Topology descriptor7 Transaction timers8 Transport9 Multiple Virtual MG.10 Formats and codes11 Mandatory Support of SDP and H.248 Annex C information elements12 General on packages and Transactions13 Void14 Call independent H.248 transactions15 Transactions towards IM CN Subsystem16 Transactions towards ISUP16.1 Procedures relating to a termination towards ISUP17.1 Procedures related to a termination towards BICC17.2 BICC packagesA.1 Profile IdentificationA.2 SummaryA.3 Gateway Control Protocol VersionA.5 Context AttributesA.6 TerminationsA.7 DescriptorsA.8 Command APIA.9 Generic command syntax and encodingA.10 TransactionsA.11 MessagesA.12 TransportA.13 SecurityA.14 PackagesA.15 Mandatory support of SDP and H.248 Annex C information elementsA.16 Optional support of SDP and H.248 Annex C information elementsA.17 Procedures17 Transactions towards BICC 16 Transactions towards ISUP 29.3323GPPMedia Gateway Control Function (MGCF) - IM Media GatewayMn interfaceRelease 17TS Tools: ARFCN - Frequency Conversion for 5G NR/LTE/UMTS/GSM