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SS7 Parameter IDs

The following is a partial list of SS7 parameters. For a complete list and coding, consult the appropriate ANSI or ITU specification.

0x03 | Access transport
--- | ---
0x27 | Automatic congestion level
0x11 | Backward call indicators
0xC6 | Business group
0x01 | Call reference
0x04 | Called party number
0x0A | Calling party number
0x09 | Calling party's category
0xC5 | Carrier identification
0xEE | Carrier selection information
0x12 | Cause indicators
0xEB | Charge number
0x0D | Connection request
0xC3 | Egress service
0x07 | Forward call indicators
0xC0 | Generic address
0xC1 | Generic digits
0x0F | Information indicators
0x0E | Information request indicators
0xC4 | Jurisdiction
0x06 | Nature of connection indicators
0xEF | Network transport
0xE1 | Notification indicator
0x29 | Optional backward call indicators
0x28 | Original called number
0xEA | Originating line information
0x13 | Redirection information
0x0B | Redirection number
0xE2 | Service activation
0xEC | Service code indicator
0xED | Special processing request
0xE3 | Transaction request
0x23 | Transit network selection
0x1D | User service information

See Signaling System Number Seven.
American National Standards Institute. ANSI administers and coordinates the U.S. voluntary standardization and conformity assessment system for the
telecommunications industry. More details on these standards may be
viewed at www.ansi.org.
International Telecommunications Union (UN)