On 21/01/2014, at 6:40 pm, David Cunningham <dcunning...@voisonics.com> wrote:
> Hi Paul, > > Using ngrep/tcpdump shows the packet clearly going from the Kamailio server > and arriving at the Asterisk server. This is why it's a mystery that Asterisk > doesn't see the call coming in. We tried removing the firewall (so iptables > -L shows no rules at all) but that didn't help unfortunately. > Can you show a packet dump of the SIP invites arriving at the asterisk PBX , mostly just confirming the ip address that the server is receiving packets on root@zespri:~# tcpdump udp port 5060 -A -n tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on eth0, link-type EN10MB (Ethernet), capture size 65535 bytes 18:52:23.063862 IP 192.168.51.7.5060 > 27.111.14.65.5060: SIP, length: 534 E`.2.L..@.....3..o.A......u.OPTIONS sip:sip.2talk.co.nz SIP/2.0 Via: SIP/2.0/UDP 192.168.51.7:5060;branch=z9hG4bK45a08b58;rport Max-Forwards: 70 From: "Unknown" <sip:049343953@192.168.51.7>;tag=as32fe455a To: <sip:sip.2talk.co.nz> Contact: <sip:0412345678@192.168.51.7:5060> Call-ID: 10c0242d16529fff78572ef91ef47237@192.168.51.7:5060 CSeq: 102 OPTIONS User-Agent: FPBX-2.10.1(10.6.1) Date: Tue, 21 Jan 2014 05:52:23 GMT Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH Supported: replaces, timer Content-Length: 0 18:52:23.084330 IP 27.111.14.65.5060 > 192.168.51.7.5060: SIP, length: 472 E.......9....o.A..3.......r.SIP/2.0 404 Not Found Via: SIP/2.0/UDP 192.168.51.7:5060;branch=z9hG4bK45a08b58;received=192.168.51.7;rport=5060 From: "Unknown" <sip:049343953@192.168.51.7:5060>;tag=as32fe455a To: <sip:sip.2talk.co.nz>;tag=as7b633145 Call-ID: 10c0242d16529fff78572ef91ef47237@192.168.51.7:5060 CSeq: 102 OPTIONS Server: 2talk PBX Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH Supported: replaces Accept: application/sdp Content-Length: 0 Also the udp ports asterisk is listening on e.g netstat -udpl Active Internet connections (only servers) Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name udp 0 0 0.0.0.0:4520 0.0.0.0:* 1413/asterisk udp 0 0 0.0.0.0:4569 0.0.0.0:* 1413/asterisk udp 0 0 0.0.0.0:5000 0.0.0.0:* 1413/asterisk udp 0 0 0.0.0.0:5060 0.0.0.0:* 1413/asterisk > > > On 21 January 2014 15:29, Paul Belanger <paul.belan...@polybeacon.com> wrote: > On Mon, Jan 20, 2014 at 4:24 PM, David Cunningham > <dcunning...@voisonics.com> wrote: > > Hi Paul, > > > > The ngrep on the Asterisk server does show it being received. Have you any > > idea what would prevent it getting from the network stack to Asterisk on > > that machine? > > > Well, you need to use tcpdump on each hop across your network. If are > Asterisk is not getting anything, either it is not receiving anything > (check transmit side) or the firewall is dropping it. > > -- > Paul Belanger | PolyBeacon, Inc. > Jabber: paul.belan...@polybeacon.com | IRC: pabelanger (Freenode) > Github: https://github.com/pabelanger | Twitter: > https://twitter.com/pabelanger > > -- > _____________________________________________________________________ > -- Bandwidth and Colocation Provided by http://www.api-digital.com -- > New to Asterisk? Join us for a live introductory webinar every Thurs: > http://www.asterisk.org/hello > > asterisk-users mailing list > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-users > > > > -- > David Cunningham, Voisonics > http://voisonics.com/ > USA: +1 213 221 1092 > UK: +44 (0) 20 3298 1642 > Australia: +61 (0) 2 8063 9019 > -- > _____________________________________________________________________ > -- Bandwidth and Colocation Provided by http://www.api-digital.com -- > New to Asterisk? Join us for a live introductory webinar every Thurs: > http://www.asterisk.org/hello > > asterisk-users mailing list > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-users
-- _____________________________________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- New to Asterisk? Join us for a live introductory webinar every Thurs: http://www.asterisk.org/hello asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users