You are here: CSP Developer’s Guide: Common Channel Signaling > 7 SS7 PPL Information > ISUP CVS (0x0078)
Purpose
This section includes ANSI PPL Config Bytes, all PPL Events, and Timer information for the PPL Component ISUP CVS.
ISUP CVS Configuration Bytes (ANSI)
Byte |
Description |
Value |
---|---|---|
0x01 |
CIN |
0x00=Not Configured 0x01=Configured (default) |
0x02 |
CLLI |
0x00=Not configured 0x01=Configured (default) |
0x03 |
CVR Processing |
0x00=Do Not Process/Send PPL Event (default) 0x08 (CVR Received) to Host 0x01=Send CVR |
0x04 (Continued on next page) |
CGC Indicator |
0x00 (default) Bits 1, 0=Circuit Group Carrier Indicator 00=Unknown 01=Analog 10=Digital 11=Digital and Analog.
Bits 3, 2=Double Seizing Indicator 00=Always 00; configuration is taken from CPC data. DO NOT CHANGE. |
0x04 (Continued) |
CGC Indicator |
Bits 5, 4=Alarm Carrier Indicator 00=Unknown 01=Software Carrier Handling 10=Hardware Carrier Handling 11=Spare
Bits 7, 6- Continuity Check Requirement Indicator 00=Unknown; 01=None; 10=Statistical; 11=Per Call
|
0x05-0x06 |
Unused |
|
0x07 |
Timer to be used by UPU/CVT Test |
0–24 |
0x08 |
CVT Re-attempt Count |
0–255 |
0x09 |
Unused |
|
For CLLI and CIN parameter formats, refer to ANSI T1-113.
ISUP CVS PPL Event Indications (ANSI)
Event ID |
Event |
---|---|
0x01 |
CVT Successful=CIN Match, CGC Match |
0x02 |
CVT Successful=CIN Mismatch Data[0–25]=Local CIN Data[26–51]=Remote CIN |
0x03 |
CVT Successful=CGC Data Inconsistent Data[0]=Remote CGC Parameter Data[1–26]=Local CIN |
0x04 |
CVT Failure=CLLI Not Received |
0x05 |
CVT Failure=CLLI Received Data[0–10]=Remote CLLI |
0x06 |
CVR Receive Failed after Reattempt |
0x07 |
Local Circuit Translation Data Absent |
0x08 |
CVR Received=CVR in TLV Format Data [0]=Message Type [CVR] Data [1]=Number of Parameters Data [2]=CVR Indicator Parameters Code Data [3]=CVR Indicator Length Data [4]=CVR Indicator Value Data [5]=CGC Parameters Code Data [6]=CGC Parameters Length Data [7]=CGC Parameters Value Data [8-n]=Optional Parameters [TLV] |
ISUP CVS PPL Timers (ANSI)
Timer ID |
Timer |
Default Value (10ms) |
---|---|---|
0x01 |
TCVT |
1000 |
0x02 |
T37 |
3000 |