ISUP CPC Configuration Bytes (ANSI)

Block 1

Byte | Description | Value
--- | --- | ---
0x0 1 | 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 – 0x08 | Unused |
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
0x12 – 0x18 | Unused | 0x00
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) Normal L3P Release
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 T7 Expiration
0x37 | Information Length | 0x06
0x38 | Message ID | 0x0C (REL)
0x39 | Parameter Count | 0x01
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] | 0xA9 (Cause 41=Resource Unavailable, Temp Failure)
0x3E-0x45 | Unused |
Release (REL) (Temp Failure) on Congestion Parameters
0x46 | Information Length | 0x09
0x47 | Message ID | 0x0C (REL)
0x48 | Number of default parameters | 0x02
0x49 | Parameter 1 ID | 0x12
0x4A | Parameter 1 Data Length | 0x02
0x4B | Parameter 1 Data[0] | 0x80 (Location=User)
0x4C | Parameter 1 Data[1] | 0xAA
0x4D | Parameter 2 ID | 0x27
0x4E | Parameter 2 Data Length | 0x01
0x4F | Parameter 2 Data[0] | 0x02
0x50-0x54 | Unused or User-defined |
Release (REL) for T9 Expiration
0x55 | Information Length | 0x06
0x56 | Message ID | 0x0C (REL)
0x57 | Parameter Count | 0x01
0x58 | Parameter 1 ID | 0x12 (Cause Indicators)
0x59 | Parameter 1 Length | 0x02
0x58 | Parameter 1 Data[0] | 0x80 (Location=User)
0x59 | Parameter 1 Data[1] | 0xA9 (Temp Failure)
Continuity (COT)
0x64 | Information Length | 0x04
0x65 | Message ID | 0x05 (COT)
0x66 | Parameter Count | 0x01
0x67 | Parameter 1 ID | 0x10 (Continuity Indicators)
0x69 | Parameter 1 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 T6 Expiration
0x82 | Information Length | 0x06
0x83 | Message ID | 0x0C (REL)
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] | 0xA9 (Cause 41=Resource Unavailable, Temp Failure)
ANSI ISUP Segmentation
0xD4 | ANSI ISUP Segmentation | 0x00 E bit in forward indicator is treated as a spare. No ANSI segmentation. (default) 0x01 E bit in forward indicator is for ANSI segmentation

Block 2

Value | Description | Value
--- | --- | ---
Miscellaneous Information
0x01 | Not used |
0x02 | Not used |
0x03 | Events | 0x00=Unique Events 0x01=Group Events (default)
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.
0x0B | Sending of COT | 0x00=No (default) 0x01=Yes
0x0C | Segmentation | 0x00=No (default) 0x01=Yes

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.
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.
See Integrated Services Digital Network User Part.
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.