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SS7 circuit the channels are getting busy after 70% of SS7 trunk is occupied

Publication Date:  2017-09-11 Views:  37 Downloads:  0
Issue Description

when 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