Each signaling message belongs to one of the following categories:

GSM/WCDMA

• CBS, Cell Broadcast Service

• CC, Call Control

• GMM, GPRS Mobility Management

• LLC, Logical Link Control

• MM, Mobility Management

• RLC/MAC, Radio Link Control/Medium Access Control

• RR, Radio Resource (Management)

• RRC, Radio Resource Control

• SM, Session Management

• SMS, Short Message Service

• SS, Supplementary Services

LTE

• EMM, EPS (Evolved Packet System) Mobility Management

• ERRC, EPS Radio Resource Control

• ESM, EPS Session Management

CDMA

• ACH, Access Channel

• FTCH, Forward Traffic Channel

• PCH, Paging Channel

• RTCH, Reverse Traffic Channel

• SCH, Supplemental Channel

EV-DO

• ACH MAC, Access Channel MAC

• Addr. Mgmt, Address Management

• Air Link Mgmt, Air Link Management

• Authentication

• CCH MAC, Control Channel MAC

• Conn. State, Connected State

• Encryption

• FTCH MAC, Forward Traffic Channel MAC

• Idle State

• Init. State, Initialization State

• Key Exchange

• MM Cap. Disc., Multimode Capability Discovery

• Overhead Msgs, Overhead Messages

• Packet Cons., Packet Consolidation

• Physical Layer

• Route Update

• Security

• Session Cfg, Session Configuration

• Stream

• Stream0, Stream1, Stream2, Stream3

• Virtual Stream