You are here: CSP Developer’s Guide: Common Channel Signaling > 7 SS7 PPL Information > SSUTR2 CPC (0x0052)
Purpose
This section includes PPL Config Bytes, all PPL Event Indications, and Timer information for the PPL Component SSUTR2 CPC, a variant of TUP CPC.
SSUTR2 CPC Configuration Bytes
|
Byte |
Description |
Value
|
|---|---|---|
|
0x0A |
LIG (Release Guard Field Count) |
0 |
|
0x14 |
ECH (Call Failure Signal Field Count) |
0 |
|
0x19 |
Specialized Circuit (Location of this byte must not be changed) |
0=Mixed circuit (incoming/outgoing) (default) 1=Outgoing call only |
|
0x1A |
Congestion Control Enabled/Disabled |
0=Disabled 1=Enabled (default) |
|
0x1B |
Congestion Signal Type |
1=EEC 2=EFC 3=ERN |
|
0x1E |
FIU (Clear Forward Field Count) |
0 |
SSUTR2 CPC PPL Event Indications
|
Event ID |
Event |
|---|---|
|
0x01 |
Incoming Continuity Check successful |
|
0x02 |
Incoming Continuity Check failure |
|
0x03 |
Failure to receive FIU in response to call unsuccessful ECH |
|
0x04 |
Stop ECH repeat after timeout |
|
0x05 |
Stop FIU repeat after timeout |
|
0x06 |
Continuity in incoming MIF |
|
0x07 |
Outgoing continuity success |
|
0x08 |
Outgoing continuity failure |
SSUTR2 CPC PPL Timers
|
Timer ID |
Timer |
Default Value (10ms) |
|---|---|---|
|
0x01 |
Wait for subsequent address message Tsam |
1500 |
|
0x02 |
Release guard timer1 Tlig |
1000 |
|
0x03 |
Release guard timer2 T(FIU repeat) |
6000 |
|
0x04 |
Wait for 1st backward signal timer Tacf |
2400 |
|
0x05 |
Non receipt of reply signal Triu |
24000 |
|
0x06 |
Non receipt of FIU after sending clearback Tfiu |
3000 |
|
0x07 |
Non hang-up of the caller after receipt of a hang-up signal of the called subscriber |
500 |
|
0x08 |
Non receipt of continuity test message Tcont |
1500 |
|
0x09 |
Non receipt of the end signal after transmission of a call setup failure signal |
1000s |
|
0x0A |
ECH repetition stop T(ECH, repeat) |
6000 |