Telefonaktiebolaget Lm Ericsson (publ)

Christian Van De Pol

Karl Hellwig

Timo Helin

A network node (), referred to as answering point (), performs a method including a triggering procedure (s) for triggering the transmission, towards a mobile station (), of an instruction message () including an instruction to start a new emergency communication towards the answering point (). The triggering procedure (s) includes sending (s), towards the mobile station (), a trigger message (). The mobile station () performs a method including a receiving procedure (s) and a starting procedure (s). The receiving procedure (s) includes receiving the instruction message () including the instruction to start a new emergency communication towards the answering point (), and the starting procedure (s) includes starting a new emergency communication towards the answering point (). This enables to re-establish an emergency communication between the answering point () and the mobile station (). The invention also relates to network nodes, mobile stations and computer programs.

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Heerlen, Netherlands

Christian Van De Pol