I have the a problem testing libss7 w ss7linktest . I receive SIO from Telco
and Send back SIOS , i this
this right , a quick check on ITU Q.781 - 1.4 shows me
PURPOSE: To check "Aligned ready" Timer T1 and "Proving period" Timer T4
(Normal)
PRE-TEST CONDITIONS: Link out of service
EXPECTED SIGNAL UNIT SEQUENCE:
SP B SP A
Link Link
<------------------------- 1?0 SIOS
1?0 SIOS ------------------------->
: start
<------------------------- 1?0 SIO
1?0 SIO ------------------------->
<------------------------- 1?0 SIN
1?0 SIN ------------------------->
T4 (Pn)
<------------------------- 1?0 FISU
T1
<------------------------- 1?0 SIOS
root at ss7:~/libss7-trunk# ./ss7linktest 1 itu 27 1
Starting link 1
Link state change: IDLE -> NOTALIGNED
Len = 4 [ ff ff 01 00 ]
FSN: 127 FIB 1
BSN: 127 BIB 1
>[0] LSSU SIO
Len = 2 [ ff ff ]
FSN: 127 FIB 1
BSN: 127 BIB 1
<[0] LSSU SIOS
Link state change: NOTALIGNED -> NOTALIGNED
Len = 4 [ ff ff 01 00 ]
FSN: 127 FIB 1
BSN: 127 BIB 1
>[0] LSSU SIO
Ideas ? !
--
TC
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