The Mobile Station Identitfier (MSI) is a number uniquely
identifying a CDMA mobile phone.
Once a mobile has affiliated, the
network allocates a temporary MSI (TMSI), which is used to
identify the subscriber in future exchanges. This provides limited anonymity,
The Mobile Station Identitfier (MSI) and electronic serial
number (ESN) are independent.
Other topics in our resources on CDMA related to Mobile Station Identitfier include: