ISUP SPRC Configuration Bytes (ITU)

You can modify the parameters for Config Bytes 1–4, but you cannot move them to other byte locations. Other functions in the system access these parameters.

Byte | Description | Value
--- | --- | ---
0x01 | Parameter ID | 0x16 (Range and Status)
0x02 | Byte offset of range field | 0x00
0x03 | Service Indicator | 0x05
0x04 | Subservice Field | 0x02
0x05 | MTP Pause Logic Flag | 0x00 Disable [default] 0x01 Enable
0x06–0x09 | Unused |
Confusion (CFN) for MCP
0x0A | Information Length | 0x06
0x0B | Message ID | 0x2F (CFN)
0x0C | Parameter Count | 0x01
0x0D | Parameter 1 ID | 0x12 (Cause Indicators)
0x0E | Parameter 1 Length | 0x02
0x0F | Parameter 1 Data[0] | 0x80 (Location=User)
0x10 | Parameter 1 Data[1] | 0xE1 (Cause 97=Protocol Error, Message Type Not Implemented)
0x11–0x13 | Not Used |
0x14 | Information Length | 0x06
0x15 | Message ID | 0x2F (CFN)
0x16 | Parameter Count | 0x01
0x17 | Parameter 1 ID | 0x12 (Cause Indicators)
0x18 | Parameter 1 Length | 0x02
0x19 | Parameter 1 Data[0] | 0x80 (Location=User)
0x1A | Parameter 1 Data[1] | 0xEE (Cause 110=Protocol Error, Message with Unrecognized Parameters, Discarded)
Unequipped CIC (UCIC)
0x1E | Information Length | 0x02
0x1F | Message ID | 0x2E (UCIC)
0x20 | Parameter Count | 0x00
0x21–0x27 | Not Used |
0x28 | Enable/Disable ACC Local Overload Algorithm | 0x01=Enabled 0x02=Queue Probe
0x29 | Outstanding QueueProbe Count for ACL0 Low Level | 0x00
0x2A | Outstanding QueueProbe Count for ACL0 High Level | 0x04
0x2B | Outstanding QueueProbe Count for ACL1 High Level | 0x03
0x2C | Outstanding QueueProbe Count for ACL1 High Level | 0x0B
0x2D | Outstanding QueueProbe Count for ACL2 Low Level | 0x09
0x2E | Outstanding QueueProbe Count for ACL2 Low Level | 0x0B
0x2F | Congestion Cleared Threshold for Outgoing Calls, 100 ms units | 10 ms 0x0A
0x30 | Number of probes to determine congestion cleared=Outgoing Calls | 10 0x0A
0x31 | Defines the range of channels in GRS | 0x0C (Default value or indicates maximum number of CICs per span)
0x32 | Defines whether purging is on or off in the case of CCS redundancy loss. | 0x01 Enabled
0x3C | Exchange Type | 0x00=Type A 0x01=Type B (default)
Unrecognized Message Processing
0x3D | Message Compatibility Parameter (MCP) Processing Notification | 0x00=Do Not send PPL Event to Host 0x01=Send PPL Event to Host
0x3E | Unrecognized Parameter Pass On | 0x00=Pass On Not Possible 0x01=Pass On Is Possible
Release (REL) for Message Not Supported
0x42 | CGRS stop upon receipt of UCIC | 0x00 = Stop 0x01 = Do not stop (Default)
0x46 | Information Length | 0x06
0x47 | Message ID | 0x0C (REL)
0x48 | Parameter Count | 0x01
0x49 | Parameter 1 ID | 0x12 (Cause Indicators)
0x4A | Parameter 1 Length | 0x02
0x4B | Parameter 1 Data [0] | 0x80 (Location=User)
0x4C | Parameter 1 Data [1] | 0xE1 (Cause 97=Message Type Not Implemented)
ISUP Automatic Congestion Control (ACC)
0x50 | Multiplicative Decrement Constant Beta_0 normalized to 128 | 0x80
0x51 | Multiplicative Decrement Constant Beta_1 | 0x80
0x52 | Multiplicative Decrement Constant Beta_2 | 0x80
0x53 | Multiplicative Decrement Constant Beta_3 | 0x80
0x54 | Multiplicative Decrement Constant Beta_4 | 0x7A
0x55 | Multiplicative Decrement Constant Beta_5 | 0x76
0x56 | Multiplicative Decrement Constant Beta_6 | 0x6E
0x57 | Multiplicative Decrement Constant Beta_7 | 0x64
0x58 | Multiplicative Decrement Constant Beta_8 | 0x5A
0x59 | Multiplicative Decrement Constant Beta_9 | 0x5A
0x5A | Multiplicative Decrement Constant Beta_10 | 0x50
0x5B | Multiplicative Decrement Constant Beta_11 | 0x32
0x5C | Multiplicative Decrement Constant Beta_12 | 0x28
0x5D | Multiplicative Decrement Constant Beta_13 | 0x1E
0x5E | Multiplicative Decrement Constant Beta_14 | 0x0A
0x5F | Multiplicative Decrement Constant Beta_15 | 0x00
0x60 | Additive Increase Constant - Alpha | 0x02
0x61 | Maximum Residual delay of a Queue Probe | 0x64
0x62 | Accuracy Limit | 0x80
0x90 | ACL0 Low Level Offset for CPU Utilization | 0x5A
0x91 | ACL0 High Level Offset for CPU Utilization | 0x55
0x92 | ACL1 Low Level Offset for CPU Utilization | 0x53
0x93 | ACL1 High Level Offset for CPU Utilization | 0x5B
0x94 | ACL2 Low Level Offset for CPU Utilization | 0x58
0x95 | ACL2 High Level Offset for CPU Utilization | 0x5F
0x8C | Type of STACK | 0x00=Non-BT Stack(default) 0x01=BT Stack
0x8D | CS ACL2 Fraction Allowed | 0x20
Release (REL) for INF Timer Expiration
0x6E | Information Length | 0x06
0x6F | Message ID | 0x0C (REL)
0x70 | Parameter Count | 0x01
0x71 | Parameter 1 ID | 0x12
0x72 | Parameter 1 Length | 0x02
0x73 | Parameter 1 Data [0] | 0x80 (Location=User)
0x74 | Parameter 1 Data [1] | 0x9F (Cause 31=Normal Unspecified)
0x75–0xC8 | Unused |

See Message Transfer Part.
Message delimiter (SS7 bit pattern - 01111110)
See Circuit Identification Codes.
See Common Channel Signaling.
See Programmable Protocol Language.
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.
A condition that, when met, drives a state machine from one state to another. A condition that drives a Component out of its current state by invoking an associated primitive.
See Integrated Services Digital Network User Part.