dell

  1. nettcom.augusto

    Echo in windows app - Headset Dell WH1022

    Hey! We are using the headset Dell WH1022 with 3CX Windows App (v20 - 20.0.644.0 & beta 20.0.713.0) and the calls presents echo. We testing the option echo canceling and microphone gain, no one works. What else can I do? Thanks. - Augusto César Nettcom Tecnologia

  2. Solved Firewall Configuration with Sonicwall & Port 5060 SIP Provider

    I have a confusing issue regarding Ports with 3CX and SIP trunk using a Dell Sonicwall - It is well documented that the following standard firewall ports are required - Port 5061 TCP only - Used for SIP TLS - not required for my system Port 9000 - 9500 UDP only (some same 10999) - Used for RTP...
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