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How NAT traversal handle UDP session fixed expire time ?

edited Jan 2, 2013 10:14PM in Acme Packet (MOSC) 7 commentsAnswered
Hi, Expert I have a carrier using SBC access mode to allow user in overseas to connect back. There is a problem report A end-customer access SBC via the Hotel router/firewall It was found that the call is silience after 2.5 minutes After anslysis the SBC WAN capture, it was found that the SIP message Source IP port will be changed after several minutes. And so as the RTP stream from Hotel firewall to SBC So, even SBC can receive the media but it will not forward to internal SS/APS/GW due to the media IP source port change. Can SBC
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