Android之Dialer之紧急号码

Android之Dialer之紧急号码

e over any other (e.g. supplementary service related) number analysis.
a) 112 and 911 shall always be available. These numbers shall be stored on
the ME.
b) Any emergency call number stored on a SIM/USIM when the SIM/USIM is
present.
c) 000, 08, 110, 999, 118 and 119 when a SIM/USIM is not present. These
numbers shall be stored on the ME.
d) Additional emergency call numbers that may have been downloaded by the
serving network when the SIM/USIM is present.
3GPP协议中规定要显示的紧急号码总共8个
紧急号码的来源--三种
手机中内置----3GPP协议中规定的这8个号码
存在SIM/USIM卡中的
当插入SIM卡时从网络中获取的
TS 22.101 10.1.1
Service aspects;
Service principles
10.1.1 Identification of emergency numbers
The ME shall identify an emergency number dialled by the end user as a valid
emergency number and initiate emergency call establishment if it occurs under
one or more of the following conditions. If it occurs outside of the
following conditions, the ME should not initiate emergency call establishment
but normal call establishment. Emergency number identification takes place
before and takes precedenc