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Issue Descriptionwhen
70% of SS7 trunk is occupied, the extensions cannot hunt free channels and
receive “ channel busy signal” so no user can make calls over this ss7 trunk link
Alarm Information- some calls that use ss7 link is disconected and users get busy signaling tone
Handling Process- collect SS7 link status on the web admin page
- collect alarm information on the pbx using LMT
Root Cause- the alarm table shows that there are many frame slip this will have directly effect on the ss7 trunk circuit
Solution- remove the frame slip that shown on the alarm table by set the clock source as the peer device , after set the clock source as peer device the issue has been solved
END
Author : a84069756
Document ID: EKB1000868409
Fault Type :
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