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300-815 · Question #25
300-815 Question #25: Real Exam Question with Answer & Explanation
The correct answer is C: Ask the firewall administrator to change the range of UDP ports to 16384-32767.. See the full explanation below for the reasoning.
Signaling and Media Protocols
Question
Cisco SIP IP telephony is implemented on two floors of your company. Afterward, users report intermittent voice issues in calls established between floors. All calls are established, and sometimes they work well, but sometimes there is one-way audio or no audio. You determine that there is a firewall between the floors, and the administrator reports that it is allowing SIP signaling and UDP ports from 20000 to 22000 bidirectionally. What are two possible solutions? (Choose two.)
Options
- AGo to the SIP profile assigned to these IP phones in Cisco Unified CM and change the range of media ports to 16384-32767.
- BAsk the firewall administrator to change the ports to TCP.
- CAsk the firewall administrator to change the range of UDP ports to 16384-32767.
- DGo to the SIP profile assigned to these IP phones in Cisco Unified CM and change the range of media ports to 20000-22000.
- EGo to System Parameters in Cisco Unified Communications Manager and change the range of media ports to 20000-22000.
Topics
#SIP Media Ports#RTP Port Range#Firewall Configuration#CUCM Configuration
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