小弟在撥打SIP電話時遇到了點問題
可撥出去,但無聲音回送
要煩請各位板上的先進們指點一下
環境:FC7 + DHCP +NAT
網卡:eth1:public ip
eth0:private ip
目前用的是ATA SIP PHONE (設為自動取得IP 192.168.1.99)
用TCPDUMP獲得以下資料
看起來是SIP Server的溝通有成功
但是撥打出去後,並沒有封包回送
不知道是否為NAT的問題?
並請教該如何解決
感謝
01:02:26.406927 IP 192.168.1.99.sip > 60-250-x-x.HINET-IP.hinet.net.sip: SIP, length: 658
01:02:26.407578 IP 60-250-x-x.HINET-IP.hinet.net.sip > 192.168.1.99.sip: SIP, length: 555
01:02:26.914992 IP 192.168.1.99.sip > 60-250-x-x.HINET-IP.hinet.net.sip: SIP, length: 2
01:02:27.518122 IP 60-250-x-x.HINET-IP.hinet.net.sip > 192.168.1.99.sip: SIP, length: 534
01:02:27.988952 IP 60-250-x-x.HINET-IP.hinet.net.sip > 192.168.1.99.sip: SIP, length: 795
01:02:28.061317 IP 60-250-x-x.HINET-IP.hinet.net.sip > 192.168.1.99.sip: SIP, length: 782
01:02:28.213600 IP 192.168.1.99.sip > 60-250-x-x.HINET-IP.hinet.net.sip: SIP, length: 400
01:02:28.251027 IP 192.168.1.99.snmptrap > 255.255.255.255.snmptrap: Trap(78) E:2011.11.11.11 192.168.1.99 enterpriseSpecific s=1 12345 [|snmp]
01:02:28.315569 IP 192.168.1.99.telelpathstart > 234.60.60.x.broad.sz.gd.dynamic.163data.com.cn.9267: UDP, length 172
01:02:28.321322 IP 192.168.1.99.snmptrap > 255.255.255.255.snmptrap: Trap(77) E:2011.11.11.11 192.168.1.99 enterpriseSpecific s=1 12345 [|snmp]
01:02:28.343290 IP 192.168.1.99.telelpathstart > 234.60.60.x.broad.sz.gd.dynamic.163data.com.cn.9267: UDP, length 172
01:02:28.365179 IP 192.168.1.99.telelpathstart > 234.60.60.x.broad.sz.gd.dynamic.163data.com.cn.9267: UDP, length 172
01:02:28.455052 IP 192.168.1.99.telelpathstart > 234.60.60.x.broad.sz.gd.dynamic.163data.com.cn.9267: UDP, length 172
01:02:28.485069 IP 192.168.1.99.telelpathstart > 234.60.60.x.broad.sz.gd.dynamic.163data.com.cn.9267: UDP, length 172
01:02:28.505093 IP 192.168.1.99.telelpathstart > 234.60.60.x.broad.sz.gd.dynamic.163data.com.cn.9267: UDP, length 172