https://business.forums.bt.com/t5/Archive/VoIP-Ports/m-p/20543#M2988 <P>Do these use the "SIP-based Internet telephony" Application Type?</P> Wed, 12 Jan 2011 12:08:50 GMT TomKelly 2011-01-12T12:08:50Z https://business.forums.bt.com/t5/Archive/VoIP-Ports/m-p/20513#M2986 <P>Can anyone advise what ports need to be opened for BT VoIP?</P><P>&nbsp;</P><P>I'm 100% of calls dropped, atleast 20-25seconds into the conversation, so doing what I can to clear this up.</P><P>&nbsp;</P><P>Cheers,</P><P>&nbsp;</P><P>Tom</P> Wed, 12 Jan 2011 10:51:51 GMT https://business.forums.bt.com/t5/Archive/VoIP-Ports/m-p/20513#M2986 TomKelly 2011-01-12T10:51:51Z https://business.forums.bt.com/t5/Archive/VoIP-Ports/m-p/20531#M2987 <P>BBV Incoming Port Ranges (all UDP) - 32000 to 36000 &amp; 2727 &amp; 5060 &amp; 49152 to 49193</P> Wed, 12 Jan 2011 11:31:27 GMT https://business.forums.bt.com/t5/Archive/VoIP-Ports/m-p/20531#M2987 a-hill 2011-01-12T11:31:27Z https://business.forums.bt.com/t5/Archive/VoIP-Ports/m-p/20543#M2988 <P>Do these use the "SIP-based Internet telephony" Application Type?</P> Wed, 12 Jan 2011 12:08:50 GMT https://business.forums.bt.com/t5/Archive/VoIP-Ports/m-p/20543#M2988 TomKelly 2011-01-12T12:08:50Z https://business.forums.bt.com/t5/Archive/VoIP-Ports/m-p/20549#M2989 <P>If it's the Business Hub you're using, SIP-ALG is enabled by default.</P> Wed, 12 Jan 2011 12:45:44 GMT https://business.forums.bt.com/t5/Archive/VoIP-Ports/m-p/20549#M2989 a-hill 2011-01-12T12:45:44Z