Question

What number is used by a wireless carrier to route the subscriber's call to the correct PSAP (Public Safety Answering Point)?

a. IP address
b. MAC address
c. ESN (Electronic Serial Number)
d. IMSI (International Mobile Subscriber Identity) number

Answer 1

The IMSI (International Mobile Subscriber Identity) number is used by wireless carriers to route calls to the correct PSAP during emergencies.

Step-by-step explanation:

The number used by a wireless carrier to route the subscriber's call to the correct Public Safety Answering Point (PSAP) is the d. IMSI (International Mobile Subscriber Identity) number. The IMSI is a unique identifier assigned to a mobile network subscriber. It is stored in the SIM card and is used by the network to identify subscribers and to route calls appropriately. It is especially critical during emergency calls when the caller must be connected to the nearest PSAP for timely assistance.