[cisco-voip] SIP Trunk -> PSTN

Wed Mar 15 03:02:55 EST 2006

Good morning everyone,

Time for a new question.

I got a CCM 4.1(3)sr3a that will use a SIP Trunk to my telco.

I have got the incomming calls to work, so far as I get the ringing here.

If I answer the call, the call is teared down.

I have ran debug sip on my pix I got here.

Here it comes,

1498: NAT::table route: embedded host at outside:XXX.XXX.190.42/5060

1499: NAT::pre-allocate connection for outside:XXX.XXX.190.42 to outside:XXX.XXX.190.42/5060

1500: NAT::no connection necessary, same security level

1501: SIP::Response 5xx received from inside:10.1.10.51/5060 to outside:XXX.XXX.190.42/5060

1502: SIP::Found From addr "sip:0733471019 at XXX.XXX.198.110" (30)

1503: SIP::Found To addr "sip:0322640000 at my-sip-telco-host" (37)

1504: SIP::Found Call-ID 70AA62A2-B32E11DA-BF8094C9-5F478392 at XXX.XXX.198.110 (51)

1505: SIP::Found CSeq 101 INVITE

        Found port 5060

1506: SIP::Embedded IP XXX.XXX.190.42/5060

1507: NAT::NAT UDP XXX.XXX.190.42/5060

        from inside:10.1.10.51/5060 to outside:XXX.XXX.190.42/5060

1508: NAT::table route: embedded host at outside:XXX.XXX.190.42/5060

1509: NAT::find/create NAT rule for outside:XXX.XXX.190.42/5060 to outside:XXX.XXX.190.42

1510: NAT::receiver and embedded hosts on same interface

1511: NAT::embedded socket translates to outside:XXX.XXX.190.42/5060

        Found port 5060

1512: SIP::Embedded IP XXX.XXX.198.110/5060

1513: NAT::NAT UDP XXX.XXX.198.110/5060

        from inside:10.1.10.51/5060 to outside:XXX.XXX.190.42/5060

1514: NAT::table route: embedded host at outside:XXX.XXX.198.110/5060

1515: NAT::find/create NAT rule for outside:XXX.XXX.198.110/5060 to outside:XXX.XXX.190.42

1516: NAT::receiver and embedded hosts on same interface

1517: NAT::embedded socket translates to outside:XXX.XXX.198.110/5060

1518: SIP::Embedded IP XXX.XXX.198.110/0

1519: NAT::NAT UDP XXX.XXX.198.110/0

        from inside:10.1.10.51/5060 to outside:XXX.XXX.190.42/5060

1520: NAT::table route: embedded host at outside:XXX.XXX.198.110/0

1521: NAT::find/create NAT rule for outside:XXX.XXX.198.110/0 to outside:XXX.XXX.190.42

1522: NAT::receiver and embedded hosts on same interface

1523: NAT::embedded socket translates to outside:XXX.XXX.198.110/0

1524: SIP::Embedded IP XXX.XXX.198.110/0

1525: NAT::NAT UDP XXX.XXX.198.110/0

        from inside:10.1.10.51/5060 to outside:XXX.XXX.190.42/5060

1526: NAT::table route: embedded host at outside:XXX.XXX.198.110/0

1527: NAT::find/create NAT rule for outside:XXX.XXX.198.110/0 to outside:XXX.XXX.190.42

1528: NAT::receiver and embedded hosts on same interface

1529: NAT::embedded socket translates to outside:XXX.XXX.198.110/0

1530: SIP::Embedded IP 10.1.10.51/0

1531: NAT::NAT UDP 10.1.10.51/0

        from inside:10.1.10.51/5060 to outside:XXX.XXX.190.42/5060

1532: NAT::reverse route: embedded host at inside:10.1.10.51/0

1533: NAT::find/create NAT rule for inside:10.1.10.51/0 to outside:XXX.XXX.190.42

1534: NAT::inside NAT with current xlate

1535: NAT::embedded socket translates to outside:XXX.XXX.XXX.66/0

1536: SIP::Deleting session for 10.1.10.51 to XXX.XXX.190.42, 0 total

        From: sip:0733471019 at XXX.XXX.198.110 (30)

        To: sip:0322640000 at my-sip-telco-host (37)

        Call-ID: 70AA62A2-B32E11DA-BF8094C9-5F478392 at XXX.XXX.198.110 (51)

        CSeq: 101 INVITE

1537: SIP::ACK received from outside:XXX.XXX.190.42/5060 to inside:10.1.10.51/0

        Found port 5060

1538: SIP::Embedded IP XXX.XXX.XXX.66/5060

1539: NAT::NAT UDP XXX.XXX.XXX.66/5060

        from outside:XXX.XXX.190.42/5060 to inside:10.1.10.51/5060

1540: NAT::xlate route: embedded host at inside:10.1.10.51/5060

1541: NAT::find/create NAT rule for inside:10.1.10.51/5060 to inside:10.1.10.51

1542: NAT::receiver and embedded hosts on same interface

1543: NAT::embedded socket translates to inside:10.1.10.51/5060

1544: SIP::Embedded IP XXX.XXX.190.42/0

1545: NAT::NAT UDP XXX.XXX.190.42/0

        from outside:XXX.XXX.190.42/5060 to inside:10.1.10.51/5060

1546: NAT::reverse route: embedded host at outside:XXX.XXX.190.42/0

1547: NAT::find/create NAT rule for outside:XXX.XXX.190.42/0 to inside:10.1.10.51

1548: NAT::outside NAT with current xlate

1549: NAT::embedded socket translates to inside:XXX.XXX.190.42/0

1550: SIP::Embedded IP XXX.XXX.198.110/0

1551: NAT::NAT UDP XXX.XXX.198.110/0

        from outside:XXX.XXX.190.42/5060 to inside:10.1.10.51/5060

1552: NAT::table route: embedded host at outside:XXX.XXX.198.110/0

1553: NAT::find/create NAT rule for outside:XXX.XXX.198.110/0 to inside:10.1.10.51

1554: NAT::outside NAT not needed

1555: NAT::embedded socket translates to inside:XXX.XXX.198.110/0

1556: SIP::Embedded IP XXX.XXX.198.110/0

1557: NAT::NAT UDP XXX.XXX.198.110/0

        from outside:XXX.XXX.190.42/5060 to inside:10.1.10.51/5060

1558: NAT::table route: embedded host at outside:XXX.XXX.198.110/0

1559: NAT::find/create NAT rule for outside:XXX.XXX.198.110/0 to inside:10.1.10.51

1560: NAT::outside NAT not needed

1561: NAT::embedded socket translates to inside:XXX.XXX.198.110/0

1562: SIP::Found From addr "sip:0733471019 at XXX.XXX.198.110" (30)

1563: SIP::Found Call-ID 70AA62A2-B32E11DA-BF8094C9-5F478392 at XXX.XXX.198.110 (51)

1564: SIP::Found To addr "sip:0322640000 at my-sip-telco-host" (37)

1565: SIP::Found CSeq 101 ACK

1566: Created SIP session for 10.1.10.51/0 to XXX.XXX.190.42/5060, 1 total

        From: sip:0733471019 at XXX.XXX.198.110 (30)

        To: sip:0322640000 at my-sip-telco-host (37)

        Call-ID: 70AA62A2-B32E11DA-BF8094C9-5F478392 at XXX.XXX.198.110 (51)

        CSeq: 101 ACK

1567: NAT::requesting UDP conn for XXX.XXX.190.42/0 [0.0.0.0/0]

        from outside:XXX.XXX.190.42/5060 to inside:10.1.10.51/5060

1568: NAT::ERROR: invalid sockets: <third>:XXX.XXX.190.42/0 <fourth>:0.0.0.0/0

Anyone who has any idéa? 

The network looks something like this, CCM 10.1.10.51 -> 2950T -> 10.1.10.61 PIX 501 XXX.XXX.XXX.66 -> ISP INT VPN -> XXX.XXX.19X.XXX TELCO SIP 

Med vänliga hälsningar/Best regards

Robin Inderberg

robin.inderberg at candidator.se <mailto:robin.inderberg at candidator.se> 

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