How to register IP Phone to UC520 over Internet

Unanswered Question
Aug 6th, 2012
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Is there a way to register Cisco IP Phones to UC520 over Internet without VPN?


We have the following:


Cisco UC520

Cisco 7940 IP Phones

Software Version: 15.1(2)T4

Device Type: UC520-8U-4FXO-K9

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paolo bevilacqua Tue, 08/07/2012 - 02:47
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It is really, really recommended to not do that.


However if you want, configure the public ip as ip source under ip telephony, on the phone configure an alternate TFTP address with CME address.

paolo bevilacqua Tue, 08/07/2012 - 05:49
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To use VPN.

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