Reply To: Asterisk and Zeroshell, RTP traffic not passed › Forums › Network Management › ZeroShell › Asterisk and Zeroshell, RTP traffic not passed › Reply To: Asterisk and Zeroshell, RTP traffic not passed September 7, 2009 at 8:03 am #48709 ppaliasMember Have you correctly forwarded these ports on the cable modem? Since the cable modem is authenticating and getting the IP from the provider it should forward the ports at the Zeroshell and then Zeroshell to the sip server.
