S1AP Decoder

Decode S1 Application Protocol messages for 4G LTE networks

What is S1AP?

S1AP (S1 Application Protocol) is the protocol used between the eNodeB and MME in LTE networks.

Key Features

  • PDU Type identification
  • Procedure Code decoding
  • IE extraction and parsing

Common Procedures

  • S1 Setup
  • Initial UE Message
  • Handover

Input

Output

Enter hex string and click Decode