ISUP CPC Configuration Bytes (ITU)

Block 1

Byte | Description | Value
--- | --- | ---
0x01 | Dual-seizure Control Flag | 0x00 Drop Outgoing Call 0x01 Drop Incoming Call 0x02 Drop Incoming Call if OPC is less than DPC and CIC is odd, or OPC is greater than DPC and CIC is even (see Q.767 D2.10.1.4) (default)
0x02 | Incoming Congestion Control | 0x00=Disable 0x01=Enable (default)
0x03 | User Part Test Retry Count | 4 (default)
0x04 | Outgoing SGM required | 0=Outgoing SGM not required (default) 1=Outgoing SGM required
Overload Message (OLM)
0x05 | REL/OLM Selection | 0x00=Send REL upon detecting incoming congestion (default) 0x01=Send OLM upon detecting incoming congestion
Unrecognizable Parameter Processing
0x06 | Parameter Compatibility Parameter Handling | 0x00=PCP Handling Disabled 0x01=PCP Handling Enabled (Default)
0x07 | Unrecognized Parameter Pass On | 0x00=Pass On Not Possible 0x01=Pass On Is Possible (Default)
0x08 | Reserved | 0x00
0x09 | Send RFS to host after incoming continuity result is received. When setting this byte to 0x01, the host should not try to send any call processing API on the circuit where incoming Continuity Check is being performed, until continuity check results are received in the form of PPL Event Indication. | 0x00 = Send RFS after Continuity has been performed 0x01 = Send RFS before Continuity has been performed
Release (REL) for T8 Expiration
0x0A | Information Length | 0x06
0x0B | Message ID | 0x0C (REL)
0x0C | Parameter Count | 0x01
0x0D | Parameter 1 ID | 0x12 (Cause Indicators)
0x0E | Parameter 1 Data Length | 0x02
0x0F | Parameter 1 Data[0] | 0x80 (Location=User)
0x10 | Parameter 1 Data[1] | 0xA9 (Cause 41=Resource Unavailable, Temp Failure)
0x11 | T7/T9 Timer Expired. Send Event Indication. | 0x00=Disabled (default) 0x01=Enabled
Release (REL) for Call Modification Complete (CMC)
0x12 | Information Length | 0x06
0x13 | Message ID | 0x0C (REL)
0x14 | Parameter Count | 0x01
0x15 | Parameter 1 ID | 0x12 (Cause Indicators)
0x16 | Parameter 1 Length | 0x02
0x17 | Parameter 1 Data[0] | 0x80 (Location=User)
0x18 | Parameter 1 Data[1] | 0xE6 (Recovery on Timer Expiry)
Release (REL) for Unexpected RLC Received
0x19 | Information Length | 0x06
0x1A | Message ID | 0x0C (REL)
0x1B | Parameter Count | 0x01
0x1C | Parameter 1 ID | 0x12 (Cause Indicators)
0x1D | Parameter 1 Data Length | 0x02
0x1E | Parameter 1 Data[0] | 0x80 (Location=User)
0x1F | Parameter 1 Data[1] | 0xA9 (Cause 41=Resource Unavailable, Temp Failure)
Release (REL) for Normal L3P
0x20 | Information Length | 0x06
0x21 | Message ID | 0x0C (REL)
0x22 | Parameter Count | 0x01
0x23 | Parameter 1 ID | 0x12 (Cause Indicators)
0x24 | Parameter 1 Length | 0x02
0x25 | Parameter 1 Data[0] | 0x80 (Location=User)
0x26 | Parameter 1 Data[1] | 0x90 (Normal Release)
0x27 | Unused |
Release (REL) for BLK in Wait for ACM State
0x28 | Information Length | 0x06
0x29 | Message ID | 0x0C (REL)
0x2A | Parameter Count | 0x01
0x2B | Parameter 1 ID | 0x12 (Cause Indicators)
0x2C | Parameter 1 Data Length | 0x02
0x2D | Parameter 1 Data[0] | 0x80 (Location=User)
0x2E | Parameter 1 Data[1] | 0xA9 (Cause 41=Resource Unavailable, Temp Failure)
0x2F–0x36 | Unused |
Release (REL) for Congestion
0x37 | Information Length | 0x09
0x38 | Message ID | 0x0C (REL)
0x39 | Number of default parameters | 0x02
0x3A | Parameter 1 ID | 0x12 (Cause Indicators)
0x3B | Parameter 1 Data Length | 0x02
0x3C | Parameter 1 data[0] | 0x80 (Location=User)
0x3D | Parameter 1 data[1] | 0xAA (Cause 42=Resource Unavailable, Switching Equipment Congestion)
0x3E | Parameter 2 ID | 0x27 (Automatic Congestion Level)
0x3F | Parameter 2 Data Length | 0x01
0x40 | Parameter 2 Data[0] | 0x02 (Automatic Congestion Level 2)
0x41–0x45 | Unused |
Release (REL) for T7 Expiration
0x46 | Information Length | 0x06
0x47 | Message ID | 0x0C (REL)
0x48 | Number of default parameters | 0x01
0x49 | Parameter 1 ID | 0x12 (Cause Indicators)
0x4A | Parameter 1 Data Length | 0x02
0x4B | Parameter 1 Data[0] | 0x80 (Location=User)
0x4C | Parameter 1 Data[1] | 0xA9 (Temp Failure)
Release (REL) for T9 Expiration
0x55 | Information Length | 0x06
0x56 | Message ID | 0x0C (REL)
0x57 | Parameter Count | 0x01
0x58 | Parameter ID | 0x12 (Cause Indicators)
0x59 | Parameter 1 Length | 0x02
0x5A | Parameter 1 Data[0] | 0x80 (Location=User)
0x5B | Parameter 1 Data[1] | 0xA9 (Temp Failure)
Call Modification Reject (CMRJ)
0x5C | Information Length | 0x05
0x5D | Message ID | 0x1E (CMRJ)
0x5E | Parameter Count | 0x01
0x5F | Parameter 1 ID | 0x17 (Call Modification Indicator)
0x60 | Parameter 1 Length | 0x01
0x61 | Parameter 1 Data[0] | 0x01
Continuity (COT)
0x64 | Information Length | 0x04
0x65 | Message ID | 0x05 (COT)
0x66 | Parameter Count | 0x01
0x67 | Parameter ID | 0x12 (Cause Indicators)
0x69 | Parameter Length | 0x00
Release (REL) for T33 Expiration
0x6E | Information Length | 0x06
0x6F | Message ID | 0x0C (REL)
0x70 | Parameter Count | 0x01
0x71 | Parameter 1 ID | 0x12 (Cause Indicators)
0x72 | Parameter 1 Length | 0x02
0x73 | Parameter 1 Data[0] | 0x80 (Location=User)
0x74 | Parameter 1 Data[1] | 0x9F (Normal Unspecified)
Release (REL) for T2 Expiration
0x82 | Length of the data | 0x06
0x83 | Message ID | 0x0C MCP/PCP
0x84 | Parameter Count | 0x01
0x85 | Parameter 1 ID | 0x12 (Cause Indicators)
0x86 | Parameter 1 Length | 0x02
0x87 | Parameter 1 Data[0] | 0x80 (Location=User)
0x88 | Parameter 1 Data[1] | 0xE6 (Cause 102=Protocol Error, Recovery on Timer Expiration)
Release (REL) for PCP
0x8C | Information Length | 0x06
0x8D | Message ID | 0x0C (REL)
0x8E | Parameter Count | 0x01
0x8F | Parameter 1 ID | 0x12 (Cause Indicators)
0x90 | Parameter 1 Length | 0x02
0x91 | Parameter 1 Data [0] | 0x80 (Location=User)
0x92 | Parameter 1 Data [1] | 0xE3 (Cause 99=Protocol Error, IE or Parameter Not Implemented, Discarded)
Confusion (CFN) for PCP
0x96 | Information Length | 0x06
0x97 | Message ID | 0x2F (CFN)
0x98 | Parameter Count | 0x01
0x99 | Parameter 1 ID | 0x12 (Cause Indicators)
0x9A | Parameter 1 Length | 0x02
0x9B | Parameter 1 Data[0] | 0x80
0x9C | Parameter 1 Data[1] | 0xE3 (Cause 99=Protocol Error, IE or Parameter Not Implemented, Discarded)
Confusion (CFN) with Unrecognized Parameters
0xA0 | Information Length | 0x06
0xA1 | Message ID | 0x2F (CFN)
0xA2 | Parameter Count | 0x01
0xA3 | Parameter 1 ID | 0x12 (Cause Indicators)
0xA4 | Parameter 1 Length | 0x02
0xA5 | Parameter 1 Data [0] | 0x80 (Location=User)
0xA6 | Parameter 1 Data [1] | 0xEE (Cause 110=Protocol Error, Message with Unrecognized Parameters, Discarded)
Facility Reject (FRJ) for PCP
0xAA | Information Length | 0x09
0xAB | Message ID | 0x21 (FRJ)
0xAC | Parameter Count | 0x02
0xAD | Parameter 1 ID | 0x18 (Facility Indicator)
0xAE | Parameter 1 Length | 0x01
0xAF | Parameter 1 Data [0] | 0x02 (User-to-User Service)
0xB0 | Parameter 2 ID | 0x12 (Cause Indicators)
0xB1 | Parameter 2 Length | 0x02
0xB2 | Parameter 2 Data [0] | 0x80 (Location=User)
0xB3 | Parameter 2 Data [1] | 0xE3 (Cause 99=Protocol Error, IE or Parameter Not Implemented, Discarded)
Release Complete (RLC) for PCP
0xB4 | Information Length | 0x06
0xB5 | Message ID | 0x10 (RLC)
0xB6 | Parameter Count | 0x01
0xB7 | Parameter 1 ID | 0x12 (Cause Indicators)
0xB8 | Parameter 1 Length | 0x02
0xB9 | Parameter 1 Data[0] | 0x80 (Location=User)
0xBA | Parameter 1 Data [1] | 0xE3 (Cause 99=Protocol Error, IE or Parameter Not Implemented, Discarded)
0xBB | Length of the Data Structure | 0x06
User Part Available (UPA)
0xBE | Information Length | 0x06
0xBF | Message ID | 0x35 (UPA)
0xC0 | Parameter Count | 0x01
0xC1 | Parameter 1 ID | 0x39 (Parameter Compatibility Information)
0xC2 | Parameter 1 Length | 0x02
0xC3 | Parameter 1 Data[0] | 0x00
0xC4 | Parameter Data[1] | 0x00 (End Node Interp, Do Not Release, Do Not Notify, Discard Message, Discard Parameter)

Block 2

Value | Description | Value
--- | --- | ---
Miscellaneous Information
0x01 | In-call Modification | 0=Not Allowed 1=Allowed (default)
0x02 | Timed out waiting for CMC/CMRJ | 0=Don’t Release Call 1=Release Call (default)
0x03 | Events | 0x00=Unique Events 0x01=Group Events
0x04 | Continuity Control | 0=In-switch Continuity enabled (default) 1=Host Controlled Continuity enabled
0x05 | Check for pending RSC | 0x00=Disabled (default) 0x01=Causes an RSC to be issued if an unexpected network message is received in the Wait for Answer state.
0x0A | Sending SAM to Host/L3P CIC Note: If you change this byte to 0x01, you must also set component 0x000F, byte 0x30, Block 0x01 to value 0x01 | 0x00=Send to Host (default) 0x01=Send to L3P CIC
0x0B | Sending of COT | 0x00=No 0x01=Yes
0x0C | Segmentation | 0x00=No 0x01=Yes
0x14 | Length of Data Structure | 0x06
0x15 | Parameter Message ID | 0x0C
0x16 | Parameter Count | 0x01
0x17 | Parameter Type - Cause Indicators | 0x12
0x18 | Parameter Length - Cause Indicators | 0x02
0x19 | Data[0] | 0x80
0x1A | Data[1] Destination Out of Order | 0x1B

Message delimiter (SS7 bit pattern - 01111110)
Destination Point Code
See Circuit Identification Codes.
ITU-TSS Publication on Applications of the ISUP for International ISDN Interconnections (ISUP)
See Request For Service.
See Programmable Protocol Language.
The condition of a component at a given instant. The current "context" of a PPL object, such as Idle, Seizing, Answered. In PPL files, a State is represented by a circle.
A computer, attached to the Excel platform through an RS-232 or Ethernet link, from which you run the telecommunications application that controls the Excel platform.