Emergency? call 112
Why use 112 instead of 999
There are many benifits to using 112. Watching this YouTube video, “Help Me” The Secrets of using 112 on a mobile phone in an emergency is 6 mins that might save your life or someone elses. 112 calls will search for ANY network to connect and provides location info, it also bypasses any security settings on the phone, so you could use anyones phone.
You also register to send SMS messages to the emergency services. Often a text can get through when there is not enough of a signal for a voice call.
Send a text message with REGISTER to 112
Follow the instructions in the text you receive in reply.
Read more about this at www.emergencysms.org.uk
On a first aid course I was told by a mountain rescue team member that 112 would get put through to a more local call centre, so a call from the highlands wouldn't get routed to Hampshire for example, but I haven't found any firm proof if that is true.