Call Policy Role in Preventing Toll Fraud on Cisco Expressways
Question
Which role does Call Policy play when preventing toll fraud on Expressways?
Answers
Explanations
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A. B. C. D.A.
When it comes to preventing toll fraud on Cisco Expressways, call policies play a crucial role in controlling and managing the calls that are allowed to pass through the Expressways. Toll fraud is a type of fraudulent activity where an attacker gains unauthorized access to an organization's telephony system and makes calls to premium-rate or international numbers, resulting in a large bill for the victim organization.
Answer A is correct. Call policies in Expressways allow administrators to configure the rules for inbound and outbound calls. These policies control which calls are allowed, which calls are rejected, and which calls are redirected to a different destination. Administrators can define specific patterns to allow or block certain types of calls, such as blocking calls to premium-rate or international numbers, or allowing calls only to specific destinations.
Answer B is incorrect. Changing the calling and called number on a call is not a primary function of call policies when preventing toll fraud on Expressways.
Answer C is incorrect. Changing the audio protocol used by a call through Expressways is not a primary function of call policies when preventing toll fraud on Expressways.
Answer D is incorrect. Changing the audio codec used in a call through Expressways is not a primary function of call policies when preventing toll fraud on Expressways.
In summary, Call Policies on Expressways play a critical role in controlling the types of calls that can pass through the Expressway, and are an important tool in preventing toll fraud.
