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  1. Miroslav123

    roblem dialing any ext. from Aastra DBC 4422 connected to 3CX

    Hi, i have a problem with dialing any extension (incoming calls works) from IP phone Aastra DBC 4422, i am using firmware R6H, i have captured traffic on server side and there is "proxy authentication required" error. I have tried in config file of phone with proxy server address and without...

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