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- Connect into the device using a Serial cable, Telnet, or SSH
- Enter EXEC mode
- Enter Configuration mode
- Type the following commands
no ip nat service sip tcp port 5060
no ip nat service sip udp port 5060
- Exit Configuration mode
- Save the Running Configuration by typing the following command
copy running-config startup-config
Configuring via ASDM (ASA Only)
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