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SIP Vicious Call

BGH
Level 1
Level 1

In our organization, we keep receiving random calls from: 60200, 501
When we answer the call, the call drops.

It looks like SIP Vicious call or ghost call.

We have cisco ASA  Firewall

I have very new in Cisco Firewall.

The VLAN for VOIP is 650.

 

Can someone guide or advise me, what shall i check in our Cisco Firewall step by step.

 

I do have access to Cisco Firewall through Cisco ASDM.

 

2024-07-10 13_28_03-Cisco ASDM 7.9(2) for ASA - 10.162.188.5.png

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