Hi,
I am having a problem with some inbound calls that all have the below
behavior.
My setup has: Carrier(UDP) -> (UDP)Kamailio1(UDP) -> (UDP)Kamailio2(TLS) ->
(TLS)UAC
Kamailio1 has Topos Module. UAC is behind NAT with LAN IP 192.168.1.105 and
Public 200.200.200.30
Carrier IP 50.50.50.19, Kamailio1 IP 100.100.100.243, Kamailio2 IP
100.100.100.210
The Carrier sends in a new call and the call is answered from the UAC with
200 OK SDP.
Carrier sends ACK and it looks like it reaches the UAC but, UAC still
resends several times 200 OK and carrier sends server ACK that arrives or
not ??? to UAC until finally UAC sends a BYE.
On the SIP flow you can see that Kamailio2 sends the ACK to 192.168.1.105
and not to 200.200.200.30. Is this ok??
Another thing to mention is that Kamailio2 that has the UAC connected via
TLS, can be used fine from the UAC to make an outbound call following the
reverse path, but on the inbound we have the below.
Any help will be much appreciated,
ACK from Kamailio2 100.100.100.210 to UAC
Session Initiation Protocol (ACK)
Request-Line: ACK
sip:[email protected]:5061;transport=TLS
SIP/2.0
Message Header
Via: SIP/2.0/TLS 100.100.100.210:5061
;branch=z9hG4bKfc5f.67a77810bcdafe811ea3672a027450d8.0
Via: SIP/2.0/UDP
100.100.100.243;rport=5060;branch=z9hG4bKfc5f.e2b515e9c8c33d2bd05682f26df24e39.0
Call-ID:
[email protected]
[Generated Call-ID:
[email protected]]
From: <sip:[email protected]
;user=phone>;tag=ZZ58CDf_CZ.Yj2U5
To: <sip:[email protected]
;user=phone>;tag=0120779a-edf4-464a-9c43-2ddf54459083
CSeq: 1 ACK
Max-Forwards: 64
Request-Disposition: no-fork
Content-Length: 0
Contact: <sip:[email protected]>
|Time | 50.50.50.19 | 100.100.100.210
| 192.168.1.105 |
| | | 100.100.100.243 | |
200.200.200.30 |
|0.000000 | INVITE SDP (g711A te | |
| |SIP INVITE From: <
sip:[email protected];user=phone>
To:<sip:[email protected];user=phone>
Call-ID:[email protected] CSeq:1
| |(5060) ------------------> (5060) | |
| |
|0.001737 | 100 trying -- your c | |
| |SIP Status 100 trying -- your call is
important to us
| |(5060) <------------------ (5060) | |
| |
|0.074622 | | INVITE SDP (g711A te |
| |SIP INVITE From: <
sip:[email protected];user=phone>
To:<sip:[email protected];user=phone>
CSeq:1
| | |(5060) ------------------> (5060) |
| |
|0.074797 | | INVITE SDP (g711A te |
| |SIP INVITE From: <
sip:[email protected];user=phone>
To:<sip:[email protected];user=phone>
CSeq:1
| | |(5060) ------------------> (5060) |
| |
|0.081110 | | 100 trying -- your c |
| |SIP Status 100 trying -- your call is
important to us
| | |(5060) <------------------ (5060) |
| |
|0.082070 | | 100 trying -- your c |
| |SIP Status 100 trying -- your call is
important to us
| | |(5060) <------------------ (5060) |
| |
|0.082833 | | | INVITE SDP
(g711A te | |SIP INVITE From: <
sip:[email protected];user=phone>
To:<sip:[email protected];user=phone>
CSeq:1
| | | |(5061)
------------------> (37275) | |
|0.163871 | | | 100 Trying|
| |SIP Status 100 Trying
| | | |(5061)
<------------------ (37275) | |
|0.447621 | | | 180 Ringing
| |SIP Status 180 Ringing
| | | |(5061)
<------------------ (37275) | |
|0.448004 | | 180 Ringing |
| |SIP Status 180 Ringing
| | |(5060) <------------------ (5060) |
| |
|0.448765 | | 180 Ringing |
| |SIP Status 180 Ringing
| | |(5060) <------------------ (5060) |
| |
|0.465033 | 180 Ringing | |
| |SIP Status 180 Ringing
| |(5060) <------------------ (5060) | |
| |
|2.529599 | | | 200 OK SDP
(g711A) | |SIP Status 200 OK
| | | |(5061)
<------------------ (37275) | |
|2.733556 | | 200 OK SDP (g711A) |
| |SIP Status 200 OK
| | |(5060) <------------------ (5060) |
| |
|2.734596 | | 200 OK SDP (g711A) |
| |SIP Status 200 OK
| | |(5060) <------------------ (5060) |
| |
|2.864311 | 200 OK SDP (g711A) | |
| |SIP Status 200 OK
| |(5060) <------------------ (5060) | |
| |
|3.024789 | | | 200 OK SDP
(g711A) | |SIP Status 200 OK
| | | |(5061)
<------------------ (37275) | |
|3.025005 | | 200 OK SDP (g711A) |
| |SIP Status 200 OK
| | |(5060) <------------------ (5060) |
| |
|3.025854 | | 200 OK SDP (g711A) |
| |SIP Status 200 OK
| | |(5060) <------------------ (5060) |
| |
|3.034979 | 200 OK SDP (g711A) | |
| |SIP Status 200 OK
| |(5060) <------------------ (5060) | |
| |
|3.106784 | ACK | | |
| |SIP Request INVITE ACK 200 CSeq:1
| |(5060) ------------------> (5060) | |
| |
|3.126287 | | ACK | |
| |SIP ACK From: <
sip:[email protected];user=phone>
To:<sip:[email protected];user=phone>
CSeq:1
| | |(5060) ------------------> (5060) |
| |
|3.126542 | | ACK | |
| |SIP ACK From: <
sip:[email protected];user=phone>
To:<sip:[email protected];user=phone>
CSeq:1
| | |(5060) ------------------> (5060) |
| |
|3.145821 | | | ACK |
| |SIP ACK From: <
sip:[email protected];user=phone>
To:<sip:[email protected];user=phone>
CSeq:1
| | | |(5061)
--------------------------------------> (5061) |
|4.025449 | | | 200 OK SDP
(g711A) | |SIP Status 200 OK
| | | |(5061)
<------------------ (37275) | |
|4.025743 | | 200 OK SDP (g711A) |
| |SIP Status 200 OK
| | |(5060) <------------------ (5060) |
| |
|4.026548 | | 200 OK SDP (g711A) |
| |SIP Status 200 OK
| | |(5060) <------------------ (5060) |
| |
|4.033198 | 200 OK SDP (g711A) | |
| |SIP Status 200 OK
| |(5060) <------------------ (5060) | |
| |
|4.094832 | ACK | | |
| |SIP ACK From: <
sip:[email protected];user=phone>
To:<sip:[email protected];user=phone>
CSeq:1
| |(5060) ------------------> (5060) | |
| |
|4.102992 | | ACK | |
| |SIP ACK From: <
sip:[email protected];user=phone>
To:<sip:[email protected];user=phone>
CSeq:1
| | |(5060) ------------------> (5060) |
| |
|4.103316 | | ACK | |
| |SIP ACK From: <
sip:[email protected];user=phone>
To:<sip:[email protected];user=phone>
CSeq:1
| | |(5060) ------------------> (5060) |
| |
|4.106301 | | | ACK |
| |SIP ACK From: <
sip:[email protected];user=phone>
To:<sip:[email protected];user=phone>
CSeq:1
| | | |(5061)
--------------------------------------> (5061) |
|6.025167 | | | 200 OK SDP
(g711A) | |SIP Status 200 OK
| | | |(5061)
<------------------ (37275) | |
|6.025543 | | 200 OK SDP (g711A) |
| |SIP Status 200 OK
| | |(5060) <------------------ (5060) |
| |
|6.026377 | | 200 OK SDP (g711A) |
| |SIP Status 200 OK
| | |(5060) <------------------ (5060) |
| |
|6.034778 | 200 OK SDP (g711A) | |
| |SIP Status 200 OK
| |(5060) <------------------ (5060) | |
| |
|6.096896 | ACK | | |
| |SIP ACK From: <
sip:[email protected];user=phone>
To:<sip:[email protected];user=phone>
CSeq:1
| |(5060) ------------------> (5060) | |
| |
|6.104675 | | ACK | |
| |SIP ACK From: <
sip:[email protected];user=phone>
To:<sip:[email protected];user=phone>
CSeq:1
| | |(5060) ------------------> (5060) |
| |
|6.104910 | | ACK | |
| |SIP ACK From: <
sip:[email protected];user=phone>
To:<sip:[email protected];user=phone>
CSeq:1
| | |(5060) ------------------> (5060) |
| |
|6.108907 | | | ACK |
| |SIP ACK From: <
sip:[email protected];user=phone>
To:<sip:[email protected];user=phone>
CSeq:1
| | | |(5061)
--------------------------------------> (5061) |
|10.024538| | | 200 OK SDP
(g711A) | |SIP Status 200 OK
| | | |(5061)
<------------------ (37275) | |
|10.024866| | 200 OK SDP (g711A) |
| |SIP Status 200 OK
| | |(5060) <------------------ (5060) |
| |
|10.025750| | 200 OK SDP (g711A) |
| |SIP Status 200 OK
| | |(5060) <------------------ (5060) |
| |
|10.033461| 200 OK SDP (g711A) | |
| |SIP Status 200 OK
| |(5060) <------------------ (5060) | |
| |
|10.095387| ACK | | |
| |SIP ACK From: <
sip:[email protected];user=phone>
To:<sip:[email protected];user=phone>
CSeq:1
| |(5060) ------------------> (5060) | |
| |
|10.102265| | ACK | |
| |SIP ACK From: <
sip:[email protected];user=phone>
To:<sip:[email protected];user=phone>
CSeq:1
| | |(5060) ------------------> (5060) |
| |
|10.102449| | ACK | |
| |SIP ACK From: <
sip:[email protected];user=phone>
To:<sip:[email protected];user=phone>
CSeq:1
| | |(5060) ------------------> (5060) |
| |
|10.105760| | | ACK |
| |SIP ACK From: <
sip:[email protected];user=phone>
To:<sip:[email protected];user=phone>
CSeq:1
| | | |(5061)
--------------------------------------> (5061) |
|14.025310| | | 200 OK SDP
(g711A) | |SIP Status 200 OK
| | | |(5061)
<------------------ (37275) | |
|14.025585| | 200 OK SDP (g711A) |
| |SIP Status 200 OK
| | |(5060) <------------------ (5060) |
| |
|14.026528| | 200 OK SDP (g711A) |
| |SIP Status 200 OK
| | |(5060) <------------------ (5060) |
| |
|14.037027| 200 OK SDP (g711A) | |
| |SIP Status 200 OK
| |(5060) <------------------ (5060) | |
| |
|14.099479| ACK | | |
| |SIP ACK From: <
sip:[email protected];user=phone>
To:<sip:[email protected];user=phone>
CSeq:1
| |(5060) ------------------> (5060) | |
| |
|14.111540| | ACK | |
| |SIP ACK From: <
sip:[email protected];user=phone>
To:<sip:[email protected];user=phone>
CSeq:1
| | |(5060) ------------------> (5060) |
| |
|14.111708| | ACK | |
| |SIP ACK From: <
sip:[email protected];user=phone>
To:<sip:[email protected];user=phone>
CSeq:1
| | |(5060) ------------------> (5060) |
| |
|14.116089| | | ACK |
| |SIP ACK From: <
sip:[email protected];user=phone>
To:<sip:[email protected];user=phone>
CSeq:1
| | | |(5061)
--------------------------------------> (5061) |
|18.025311| | | 200 OK SDP
(g711A) | |SIP Status 200 OK
| | | |(5061)
<------------------ (37275) | |
|18.025659| | 200 OK SDP (g711A) |
| |SIP Status 200 OK
| | |(5060) <------------------ (5060) |
| |
|18.026572| | 200 OK SDP (g711A) |
| |SIP Status 200 OK
| | |(5060) <------------------ (5060) |
| |
|18.034736| 200 OK SDP (g711A) | |
| |SIP Status 200 OK
| |(5060) <------------------ (5060) | |
| |
|18.096101| ACK | | |
| |SIP ACK From: <
sip:[email protected];user=phone>
To:<sip:[email protected];user=phone>
CSeq:1
| |(5060) ------------------> (5060) | |
| |
|18.106560| | ACK | |
| |SIP ACK From: <
sip:[email protected];user=phone>
To:<sip:[email protected];user=phone>
CSeq:1
| | |(5060) ------------------> (5060) |
| |
|18.106687| | ACK | |
| |SIP ACK From: <
sip:[email protected];user=phone>
To:<sip:[email protected];user=phone>
CSeq:1
| | |(5060) ------------------> (5060) |
| |
|18.111007| | | ACK |
| |SIP ACK From: <
sip:[email protected];user=phone>
To:<sip:[email protected];user=phone>
CSeq:1
| | | |(5061)
--------------------------------------> (5061) |
|22.024673| | | 200 OK SDP
(g711A) | |SIP Status 200 OK
| | | |(5061)
<------------------ (37275) | |
|22.024953| | 200 OK SDP (g711A) |
| |SIP Status 200 OK
| | |(5060) <------------------ (5060) |
| |
|22.026120| | 200 OK SDP (g711A) |
| |SIP Status 200 OK
| | |(5060) <------------------ (5060) |
| |
|22.033514| 200 OK SDP (g711A) | |
| |SIP Status 200 OK
| |(5060) <------------------ (5060) | |
| |
|22.095104| ACK | | |
| |SIP ACK From: <
sip:[email protected];user=phone>
To:<sip:[email protected];user=phone>
CSeq:1
| |(5060) ------------------> (5060) | |
| |
|22.105921| | ACK | |
| |SIP ACK From: <
sip:[email protected];user=phone>
To:<sip:[email protected];user=phone>
CSeq:1
| | |(5060) ------------------> (5060) |
| |
|22.106043| | ACK | |
| |SIP ACK From: <
sip:[email protected];user=phone>
To:<sip:[email protected];user=phone>
CSeq:1
| | |(5060) ------------------> (5060) |
| |
|22.110298| | | ACK |
| |SIP ACK From: <
sip:[email protected];user=phone>
To:<sip:[email protected];user=phone>
CSeq:1
| | | |(5061)
--------------------------------------> (5061) |
|26.031501| | | 200 OK SDP
(g711A) | |SIP Status 200 OK
| | | |(5061)
<------------------ (37275) | |
|26.031903| | 200 OK SDP (g711A) |
| |SIP Status 200 OK
| | |(5060) <------------------ (5060) |
| |
|26.033136| | 200 OK SDP (g711A) |
| |SIP Status 200 OK
| | |(5060) <------------------ (5060) |
| |
|26.040343| 200 OK SDP (g711A) | |
| |SIP Status 200 OK
| |(5060) <------------------ (5060) | |
| |
|26.101967| ACK | | |
| |SIP ACK From: <
sip:[email protected];user=phone>
To:<sip:[email protected];user=phone>
CSeq:1
| |(5060) ------------------> (5060) | |
| |
|26.111938| | ACK | |
| |SIP ACK From: <
sip:[email protected];user=phone>
To:<sip:[email protected];user=phone>
CSeq:1
| | |(5060) ------------------> (5060) |
| |
|26.112432| | ACK | |
| |SIP ACK From: <
sip:[email protected];user=phone>
To:<sip:[email protected];user=phone>
CSeq:1
| | |(5060) ------------------> (5060) |
| |
|26.118306| | | ACK |
| |SIP ACK From: <
sip:[email protected];user=phone>
To:<sip:[email protected];user=phone>
CSeq:1
| | | |(5061)
--------------------------------------> (5061) |
|30.035446| | | 200 OK SDP
(g711A) | |SIP Status 200 OK
| | | |(5061)
<------------------ (37275) | |
|30.035693| | 200 OK SDP (g711A) |
| |SIP Status 200 OK
| | |(5060) <------------------ (5060) |
| |
|30.036501| | 200 OK SDP (g711A) |
| |SIP Status 200 OK
| | |(5060) <------------------ (5060) |
| |
|30.044170| 200 OK SDP (g711A) | |
| |SIP Status 200 OK
| |(5060) <------------------ (5060) | |
| |
|30.106395| ACK | | |
| |SIP ACK From: <
sip:[email protected];user=phone>
To:<sip:[email protected];user=phone>
CSeq:1
| |(5060) ------------------> (5060) | |
| |
|30.116960| | ACK | |
| |SIP ACK From: <
sip:[email protected];user=phone>
To:<sip:[email protected];user=phone>
CSeq:1
| | |(5060) ------------------> (5060) |
| |
|30.117412| | ACK | |
| |SIP ACK From: <
sip:[email protected];user=phone>
To:<sip:[email protected];user=phone>
CSeq:1
| | |(5060) ------------------> (5060) |
| |
|30.129913| | | ACK |
| |SIP ACK From: <
sip:[email protected];user=phone>
To:<sip:[email protected];user=phone>
CSeq:1
| | | |(5061)
--------------------------------------> (5061) |
|34.026492| | | 200 OK SDP
(g711A) | |SIP Status 200 OK
| | | |(5061)
<------------------ (37275) | |
|34.026807| | 200 OK SDP (g711A) |
| |SIP Status 200 OK
| | |(5060) <------------------ (5060) |
| |
|34.027775| | 200 OK SDP (g711A) |
| |SIP Status 200 OK
| | |(5060) <------------------ (5060) |
| |
|34.035453| 200 OK SDP (g711A) | |
| |SIP Status 200 OK
| |(5060) <------------------ (5060) | |
| |
|34.097385| ACK | | |
| |SIP ACK From: <
sip:[email protected];user=phone>
To:<sip:[email protected];user=phone>
CSeq:1
| |(5060) ------------------> (5060) | |
| |
|34.106319| | ACK | |
| |SIP ACK From: <
sip:[email protected];user=phone>
To:<sip:[email protected];user=phone>
CSeq:1
| | |(5060) ------------------> (5060) |
| |
|34.106681| | ACK | |
| |SIP ACK From: <
sip:[email protected];user=phone>
To:<sip:[email protected];user=phone>
CSeq:1
| | |(5060) ------------------> (5060) |
| |
|34.110714| | | ACK |
| |SIP ACK From: <
sip:[email protected];user=phone>
To:<sip:[email protected];user=phone>
CSeq:1
| | | |(5061)
--------------------------------------> (5061) |
|34.526688| | | BYE |
| |SIP Request BYE CSeq:15322
| | | |(5061)
<------------------ (37275) | |
|34.528722| | BYE | |
| |SIP Request BYE CSeq:15322
| | |(5060) <------------------ (5060) |
| |
|34.529704| | BYE | |
| |SIP Request BYE CSeq:15322
| | |(5060) <------------------ (5060) |
| |
|34.668418| BYE | | |
| |SIP Request BYE CSeq:15322
| |(5060) <------------------ (5060) | |
| |
|34.788963| 200 OK | | |
| |SIP Status 200 OK
| |(5060) ------------------> (5060) | |
| |
|34.796051| | 200 OK | |
| |SIP Status 200 OK
| | |(5060) ------------------> (5060) |
| |
|34.796205| | 200 OK | |
| |SIP Status 200 OK
| | |(5060) ------------------> (5060) |
| |
|34.796604| | | 200 OK |
| |SIP Status 200 OK
| | | |(5061)
------------------> (37275) | |
Kind regards,
Angelo
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