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300-820 · Question #35
300-820 Question #35: Real Exam Question with Answer & Explanation
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Cisco Expressway for Collaboration
Question
Refer to the exhibit. You have Cisco Expressway using SIP for external calls. SIP Nat/Alg is configured on the edge firewall. The call fails with one way audio. Which problem with the configuration?
Options
- ASIP NAT is not enabled for TLS
- BThe security certificate used by Cisco Expressway is not valid
- CSecure SIP (TLS) is not supported by the firewall.
- DThe Apache service was not restarted on Cisco Unified Communications Manager after SIP
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Topics
#Cisco Expressway#SIP TLS#NAT/ALG#One-way audio