[SR-Users] ACK not accepted
Angelo Sipper
sippro97 at gmail.com
Wed Sep 29 11:10:45 CEST 2021
Hi,
Does it look like a NAT issue of the UAC? If so, why only on incoming calls
and not the opposite?
Regards,
Angelo
> 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:btpsh-f3-6153392a-5fa-5 at 192.168.1.105:5061;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:
> isbcaqhye0rozjgeghorzav1vtytoqztkheq at B.5.108.ims.forthnet.gr
> [Generated Call-ID:
> isbcaqhye0rozjgeghorzav1vtytoqztkheq at B.5.108.ims.incarrier.com]
> From: <sip:987654321 at ims.carrier.com
> ;user=phone>;tag=ZZ58CDf_CZ.Yj2U5
> To: <sip:23456789 at ims.carrier.com
> ;user=phone>;tag=0120779a-edf4-464a-9c43-2ddf54459083
> CSeq: 1 ACK
> Max-Forwards: 64
> Request-Disposition: no-fork
> Content-Length: 0
> Contact: <sip:btpsh-f3-6153392a-5fa-5 at 100.100.100.243>
>
>
> |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:987654321 at ims.carrier.com;user=phone> To:<
> sip:123456789 at ims.carrier.com;user=phone>
> Call-ID:isbcaqhye0rozjgeghorzav1vtytoqztkheq at B.5.108.ims.incarrier.gr
> 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:987654321 at ims.carrier.com;user=phone> To:<
> sip:123456789 at ims.carrier.com;user=phone> CSeq:1
> | | |(5060) ------------------> (5060) |
> | |
> |0.074797 | | INVITE SDP (g711A te |
> | |SIP INVITE From: <
> sip:987654321 at ims.carrier.com;user=phone> To:<
> sip:123456789 at ims.carrier.com;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:987654321 at ims.carrier.com;user=phone> To:<
> sip:123456789 at ims.carrier.com;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:987654321 at ims.carrier.com;user=phone> To:<
> sip:123456789 at ims.carrier.com;user=phone> CSeq:1
> | | |(5060) ------------------> (5060) |
> | |
> |3.126542 | | ACK | |
> | |SIP ACK From: <
> sip:987654321 at ims.carrier.com;user=phone> To:<
> sip:123456789 at ims.carrier.com;user=phone> CSeq:1
> | | |(5060) ------------------> (5060) |
> | |
> |3.145821 | | | ACK |
> | |SIP ACK From: <
> sip:987654321 at ims.carrier.com;user=phone> To:<
> sip:123456789 at ims.carrier.com;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:987654321 at ims.carrier.com;user=phone> To:<
> sip:123456789 at ims.carrier.com;user=phone> CSeq:1
> | |(5060) ------------------> (5060) | |
> | |
> |4.102992 | | ACK | |
> | |SIP ACK From: <
> sip:987654321 at ims.carrier.com;user=phone> To:<
> sip:123456789 at ims.carrier.com;user=phone> CSeq:1
> | | |(5060) ------------------> (5060) |
> | |
> |4.103316 | | ACK | |
> | |SIP ACK From: <
> sip:987654321 at ims.carrier.com;user=phone> To:<
> sip:123456789 at ims.carrier.com;user=phone> CSeq:1
> | | |(5060) ------------------> (5060) |
> | |
> |4.106301 | | | ACK |
> | |SIP ACK From: <
> sip:987654321 at ims.carrier.com;user=phone> To:<
> sip:123456789 at ims.carrier.com;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:987654321 at ims.carrier.com;user=phone> To:<
> sip:123456789 at ims.carrier.com;user=phone> CSeq:1
> | |(5060) ------------------> (5060) | |
> | |
> |6.104675 | | ACK | |
> | |SIP ACK From: <
> sip:987654321 at ims.carrier.com;user=phone> To:<
> sip:123456789 at ims.carrier.com;user=phone> CSeq:1
> | | |(5060) ------------------> (5060) |
> | |
> |6.104910 | | ACK | |
> | |SIP ACK From: <
> sip:987654321 at ims.carrier.com;user=phone> To:<
> sip:123456789 at ims.carrier.com;user=phone> CSeq:1
> | | |(5060) ------------------> (5060) |
> | |
> |6.108907 | | | ACK |
> | |SIP ACK From: <
> sip:987654321 at ims.carrier.com;user=phone> To:<
> sip:123456789 at ims.carrier.com;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:987654321 at ims.carrier.com;user=phone> To:<
> sip:123456789 at ims.carrier.com;user=phone> CSeq:1
> | |(5060) ------------------> (5060) | |
> | |
> |10.102265| | ACK | |
> | |SIP ACK From: <
> sip:987654321 at ims.carrier.com;user=phone> To:<
> sip:123456789 at ims.carrier.com;user=phone> CSeq:1
> | | |(5060) ------------------> (5060) |
> | |
> |10.102449| | ACK | |
> | |SIP ACK From: <
> sip:987654321 at ims.carrier.com;user=phone> To:<
> sip:123456789 at ims.carrier.com;user=phone> CSeq:1
> | | |(5060) ------------------> (5060) |
> | |
> |10.105760| | | ACK |
> | |SIP ACK From: <
> sip:987654321 at ims.carrier.com;user=phone> To:<
> sip:123456789 at ims.carrier.com;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:987654321 at ims.carrier.com;user=phone> To:<
> sip:123456789 at ims.carrier.com;user=phone> CSeq:1
> | |(5060) ------------------> (5060) | |
> | |
> |14.111540| | ACK | |
> | |SIP ACK From: <
> sip:987654321 at ims.carrier.com;user=phone> To:<
> sip:123456789 at ims.carrier.com;user=phone> CSeq:1
> | | |(5060) ------------------> (5060) |
> | |
> |14.111708| | ACK | |
> | |SIP ACK From: <
> sip:987654321 at ims.carrier.com;user=phone> To:<
> sip:123456789 at ims.carrier.com;user=phone> CSeq:1
> | | |(5060) ------------------> (5060) |
> | |
> |14.116089| | | ACK |
> | |SIP ACK From: <
> sip:987654321 at ims.carrier.com;user=phone> To:<
> sip:123456789 at ims.carrier.com;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:987654321 at ims.carrier.com;user=phone> To:<
> sip:123456789 at ims.carrier.com;user=phone> CSeq:1
> | |(5060) ------------------> (5060) | |
> | |
> |18.106560| | ACK | |
> | |SIP ACK From: <
> sip:987654321 at ims.carrier.com;user=phone> To:<
> sip:123456789 at ims.carrier.com;user=phone> CSeq:1
> | | |(5060) ------------------> (5060) |
> | |
> |18.106687| | ACK | |
> | |SIP ACK From: <
> sip:987654321 at ims.carrier.com;user=phone> To:<
> sip:123456789 at ims.carrier.com;user=phone> CSeq:1
> | | |(5060) ------------------> (5060) |
> | |
> |18.111007| | | ACK |
> | |SIP ACK From: <
> sip:987654321 at ims.carrier.com;user=phone> To:<
> sip:123456789 at ims.carrier.com;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:987654321 at ims.carrier.com;user=phone> To:<
> sip:123456789 at ims.carrier.com;user=phone> CSeq:1
> | |(5060) ------------------> (5060) | |
> | |
> |22.105921| | ACK | |
> | |SIP ACK From: <
> sip:987654321 at ims.carrier.com;user=phone> To:<
> sip:123456789 at ims.carrier.com;user=phone> CSeq:1
> | | |(5060) ------------------> (5060) |
> | |
> |22.106043| | ACK | |
> | |SIP ACK From: <
> sip:987654321 at ims.carrier.com;user=phone> To:<
> sip:123456789 at ims.carrier.com;user=phone> CSeq:1
> | | |(5060) ------------------> (5060) |
> | |
> |22.110298| | | ACK |
> | |SIP ACK From: <
> sip:987654321 at ims.carrier.com;user=phone> To:<
> sip:123456789 at ims.carrier.com;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:987654321 at ims.carrier.com;user=phone> To:<
> sip:123456789 at ims.carrier.com;user=phone> CSeq:1
> | |(5060) ------------------> (5060) | |
> | |
> |26.111938| | ACK | |
> | |SIP ACK From: <
> sip:987654321 at ims.carrier.com;user=phone> To:<
> sip:123456789 at ims.carrier.com;user=phone> CSeq:1
> | | |(5060) ------------------> (5060) |
> | |
> |26.112432| | ACK | |
> | |SIP ACK From: <
> sip:987654321 at ims.carrier.com;user=phone> To:<
> sip:123456789 at ims.carrier.com;user=phone> CSeq:1
> | | |(5060) ------------------> (5060) |
> | |
> |26.118306| | | ACK |
> | |SIP ACK From: <
> sip:987654321 at ims.carrier.com;user=phone> To:<
> sip:123456789 at ims.carrier.com;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:987654321 at ims.carrier.com;user=phone> To:<
> sip:123456789 at ims.carrier.com;user=phone> CSeq:1
> | |(5060) ------------------> (5060) | |
> | |
> |30.116960| | ACK | |
> | |SIP ACK From: <
> sip:987654321 at ims.carrier.com;user=phone> To:<
> sip:123456789 at ims.carrier.com;user=phone> CSeq:1
> | | |(5060) ------------------> (5060) |
> | |
> |30.117412| | ACK | |
> | |SIP ACK From: <
> sip:987654321 at ims.carrier.com;user=phone> To:<
> sip:123456789 at ims.carrier.com;user=phone> CSeq:1
> | | |(5060) ------------------> (5060) |
> | |
> |30.129913| | | ACK |
> | |SIP ACK From: <
> sip:987654321 at ims.carrier.com;user=phone> To:<
> sip:123456789 at ims.carrier.com;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:987654321 at ims.carrier.com;user=phone> To:<
> sip:123456789 at ims.carrier.com;user=phone> CSeq:1
> | |(5060) ------------------> (5060) | |
> | |
> |34.106319| | ACK | |
> | |SIP ACK From: <
> sip:987654321 at ims.carrier.com;user=phone> To:<
> sip:123456789 at ims.carrier.com;user=phone> CSeq:1
> | | |(5060) ------------------> (5060) |
> | |
> |34.106681| | ACK | |
> | |SIP ACK From: <
> sip:987654321 at ims.carrier.com;user=phone> To:<
> sip:123456789 at ims.carrier.com;user=phone> CSeq:1
> | | |(5060) ------------------> (5060) |
> | |
> |34.110714| | | ACK |
> | |SIP ACK From: <
> sip:987654321 at ims.carrier.com;user=phone> To:<
> sip:123456789 at ims.carrier.com;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
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.kamailio.org/pipermail/sr-users/attachments/20210929/61266b7d/attachment.htm>
More information about the sr-users
mailing list