SIP VoiP Debugging
SIP Port range is 5060-5080 And RTP Port range is 16384-32768 Kindly change the port in xml as 5060 is conflicting with 5000-5100 port range <qos-dscp>0</qos-dscp> <local-ports>5000-5100</local-ports> To <qos-dscp>0</qos-dscp> <local-ports> 16384-16484 </local-ports> https://supportdesk.win911.com/support/solutions/articles/24000038761-port-ranges-for-supported-sip-and-voip-providers https://wiki.innovaphone.com/index.php?title=Howto:What_Ports_are_used_for_Signaling_and_Voice_Traffic_in_SIP_and_H.323%3F https://freeswitch.org/confluence/display/FREESWITCH/QoS http://startrinity.com/VoIP/VoipTroubleshootingBook/VoipTroubleshootingBook.aspx https://www.voiceelements.com/docs/programmable-voice/faq/why-am-i-missing-digits/ https://blog.kolmisoft.com/post-dial-delay-pdd/ https://andrewjprokop.wordpress.com/2013/09/27/dtmf-and-rfc-2833-4733/ https://www.nojitter.com/...