User`s manual

SIP User's Manual 12. Special Applications
Version 5.0 271 October 2006
12.2.3 SS7 Parameters
The parameters in Table 12-1 below configure all MTP attributes simultaneously. To set
each MTP attribute individually, add _xx (xx equals the element number in the range of 0 to
2) to the end of the ini file field name.
Table 12-1: SS7 Parameters (continues on pages 271 to 272)
ini File Parameter Name Description
SS7_MTP2_Param_AERM_TIE
[AERM TIE]
Defines the SS7 alignment emergency error rate threshold.
The valid range is 0 to 10.
The default value is 1.
SS7_MTP2_Param_AERM_TIN
[AERM TIN]
Defines the SS7 alignment normal error rate threshold.
The valid range is 0 to 20.
The default value is 4.
SS7_MTP2_Param_Error_Correction_
Method
[Error Correction Method]
Defines the SLI error correction method.
0 = Basic (default)
B = Basic
P = PCR (Preventive Cyclic Retransmission)
SS7_MTP2_Param_IAC_CP
[IAC CP]
Defines the number of aborted proving attempts before sending an
out-of-service to MTP-3.
The valid range is 0 to 10.
The default value is 5.
SS7_MTP2_Param_Link_Rate
[Link Rate]
Defines the SS7 SLI Link Rate.
Choose either:
0 = 64 kbps (default)
A = 64 kbps
D = 56 kbps
SS7_MTP2_Param_LSSU_Length
[LSSU Length]
Defines the SS7 MTP2 LSSU length as 1 or 2 (bytes).
The valid range is 1 to 2.
The default value is 1.
SS7_MTP2_Param_Octet_Counting
[Octet Conting]
Defines the SS7 MTP2 Octet received while the OCTET is in
counting mode (# of Octets received - N Octets - while in Octet
counting mode).
The valid range is 0 to 256.
The default value is 16.
SS7_MTP2_Param_SUERM_SU_D
[SUERM SU D]
Defines the SS7 Signal Unit error rate monitor D threshold.
The valid range is 0 to 256.
The default value is 256.
SS7_MTP2_Param_SUERM_T
[SUERM T]
Defines the SS7 SUERM (Signal Unit Error Rate Monitor) T
threshold.
The valid range is 0 to 256.
The default value is 64.
SS7_MTP2_Param_Timer_T1
[T1]
Defines the SS7 MTP2 T1 alignment ready timer (in msecs).
The valid range is 0 to 100000.
The default value is 50000.
SS7_MTP2_Param_Timer_T2
[T2]
Defines the SS7 MTP2 T2 unaligned timer (in msecs).
The valid range is 0 to 200000.
The default value is 150000.
SS7_MTP2_Param_Timer_T3
[T3]
Defines the SS7 MTP2 T3 timer aligned.
The valid range is 0 to 20000.
The default value is 2000.
SS7_MTP2_Param_Timer_T4E
[T4E]
Defines the SS7 MTP2 T4e Emergency proving period timer (msec).
The valid range is 0 to 5000.
The default value is 500.
SS7_MTP2_Param_Timer_T4N
[T4N]
Defines the SS7 MTP2 T4n Nominal proving period timer.
The valid range is 0 to 15000.
The default value is 8200.