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Cisco SX20 "Cisco" phone me every 10min

Hello,

 

we have more then 3 Cisco SX20 Telepresence Systems running,

every 10min a unknown user names "cisco" phone us, only work is set "do not disturbed" mode, phone by all Codecs

 

do anybody know what that is? and how to fix it?

 

the caller is every a different IP Adress so i cant block him in my Firewall!

I have heard that that is a hacking attack to all Videoconferencing Systems LifeSize and Polycom too from russia?

 

Thanks,
 

1 Reply 1

bharath01
Level 1
Level 1

Hello Team,

Pls Some one Suggest, What can be done to Solve the Above Issue....

It is Causing lot of Problems....

 

Thanks & Regards,

     Bharath

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