<P> The pan-European 112 code was introduced in the UK in April 1995 with little publicity . It connects to existing 999 circuits . The GSM standard mandates that the user of a GSM phone can dial 112 without unlocking the keypad , a feature that can save time in emergencies but that also causes some accidental calls . All mobile telephones will make emergency calls with the keypad locked . Originally a valid SIM card was not required to make a 999 / 112 emergency call in the UK . However , as a result of high numbers of untraceable hoax calls being made , this feature is now blocked by all UK networks . Most UK mobile telephone handsets will dial 999 / 112 without a SIM inserted ( or with a locked / invalid SIM ) , but the call will not be connected . Following the blocking of SIM-less calls , in 2009 the UK networks introduced emergency call roaming . This allows a user with a valid SIM of a UK network to make emergency calls on any network for which they have coverage . </P>
<P> The pan-European 112 code was introduced in the UK in April 1995 with little publicity . It connects to existing 999 circuits . The GSM standard mandates that the user of a GSM phone can dial 112 without unlocking the keypad , a feature that can save time in emergencies but that also causes some accidental calls . All mobile telephones will make emergency calls with the keypad locked . Originally a valid SIM card was not required to make a 999 / 112 emergency call in the UK . However , as a result of high numbers of untraceable hoax calls being made , this feature is now blocked by all UK networks . Most UK mobile telephone handsets will dial 999 / 112 without a SIM inserted ( or with a locked / invalid SIM ) , but the call will not be connected . Following the blocking of SIM-less calls , in 2009 the UK networks introduced emergency call roaming . This allows a user with a valid SIM of a UK network to make emergency calls on any network for which they have coverage . </P>
how to call emergency services from a mobile phone uk
how to call emergency services from a mobile phone uk
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