I am seeing one way talk path on a single 2004 IP phone. I have had it powered off, had the reomte router powered off, sent firmware (0604DCL). Will newer firmware correct this?
Are you using this phone remotely without a VPN? If so, there's no getting around the one-way voice path issue. The problem is that the phone tells the BCM to talk to it on it's private address.
The only way I know to make it work is with a VPN.
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