Numbering refers to mobile and telephone numbers that identify a mobile and telephone user and importantly act as the address, allowing the user to be able to receive calls and sms.
Primary Role of Numbers:
• Naming and addressing, i.e. routing calls or messages to a particular subscriber or particular termination point within a network;
Secondary Role of Numbers:
• Providing callers with an indication of the likely costs of calling the number
o e.g. geographic significant information
o e.g. On-net versus off-net calls
o Often used by operators to calculate retail billing rates and wholesale (i.e. inter-network) call charges
o Particular types of services (e.g. toll free services or information services)
o Particular operators or networks
• Providing call trace, malicious call identification and fraud prevention and detection.