Help need to diagnose voice problems


Need a consultant to help us diagnose and resolve voice problems in several customer premisses.
Technical environment is as follow :

  • Debian
  • Asterisk 20
  • both real phones and webrtc : local and vpn connected
  • NAT
  • SIP trunk with french provider

Please reply here, giving your contact email. French language appreciated



sure i can help you. my email address is

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