how does CUCM stops toll fraud when someone calls into it MVA DID from an invalid phone?

[service]

I was reading about unified mobility MVA feature. but I am confused here. what if someone from outside dials into the MVA DID from a public phone but has a spoofed caller ID similar to one configured in one of the remote destination, so that CUCM authenticates and allows him to make international calls?

[Leo Salcie Tejeda · Accepted solution]

Hi,

When working with MVA you'll need to authenticate using a PIN (password) so it's a secure feature.

If a person is able to spoofed the callerID you should demand your service provider for a lot of money .

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MDGDP, CCNA, CCNA Voice certified