I have the alarm message from the Cisco SS7 Signaling gateway:
"nas: 2002-09-05 12:30:18.119 GMT,ALM=\"M-OOS\",SEV=MN"
The nas is AS5300 connecting to local exchange via E1 link
- the transmission channel is "out of service"
"nas:TC=1,CALL=IDLE,PST=OOS,SPAN=0"
- the ss7 path is blocked
ss7p:CIC=33,PST=IS,CALL=IDLE,BLK=MATE_UNAVAIL"
- the local exchange guy told me that he receive blocking signal from the
Cisco signaling gateway.
when I check the ISDN link I get the following debug:
Sep 16 15:17:16.908 BKK: ISDN Se0:15 SC: TX -> SABMEp c/r = 0 sapi = 0 tei
= 0
Sep 16 15:17:16.916 BKK: ISDN Se0:15 SC: RX SABMEp c/r = 0 sapi = 0 tei
= 0
Sep 16 15:17:21.924 BKK: ISDN Se0:15 SC: RX sh isdn nfas g 0
ISDN NFAS GROUP 0 ENTRIES:
The primary D is Serial0:15.
The NFAS member is Serial1:15.
There are 2 total nfas members.
There are 0 total available B channels.
The primary D-channel is DSL 0 in state OUT OF SERVICE
There is currently no backup D configured.
The current active layer 2 DSL is 0.
nas>
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