Hi Mustafa,

Ideally we would need the Invite to better understand this, the 607 is in response to the Invite. Whether this is something in the Invite itself or something at the called end we don't know.

Thanks,

John.

On Fri, 31 May 2024 at 13:57, Ghulam Mustafa via sr-users <sr-users@lists.kamailio.org> wrote:

Hello Kamailio Community,

I'm encountering a parsing error in Kamailio when receiving a SIP 607 "Unwanted" response. The relevant log entries are:


May 31 12:32:09 k-proxy1 /usr/sbin/kamailio[320898]: ERROR: <core> [core/receive.c:378]: receive_msg(): core parsing of SIP message failed (36.53.xx.xx:5060/1)
May 31 12:32:10 k-proxy1 /usr/sbin/kamailio[320895]: ERROR: <core> [core/parser/parse_fline.c:272]: parse_first_line(): parse_first_line: bad message (offset: 11)
May 31 12:32:10 k-proxy1 /usr/sbin/kamailio[320895]: ERROR: <core> [core/parser/msg_parser.c:790]: parse_msg(): ERROR: parse_msg: message=<SIP/2.0 607#015#012Via: SIP/2.0/UDP 134.195.195.40:5060;branch=z9hG4bKc87a.ed6403ae1529f36b65171bf964604be0.0;i=2#015#012Via: SIP/2.0/UDP 127.0.0.8;branch=z9hG4bKsr-Sz6QPbTDsrqSQc7ys87Ds87VP37Ds87YG870sXCWo1G6ujo6oXzisr0isX7Dsr0isXCSZXcFujwtH.KOH.QqGXs09XNtw.dEJ5GhvjhauNHzwFIzl5c9wbfNG3oaHkl3#015#012From: "15516756486" <sip:15516756486@10.x.x.10>;tag=KXtSBZ1at71Hc#015#012To: <sip:99904441743709685@36.53.xx.xx;transport=udp>;tag=sbcsipuas_1_C35684_20240531083209909_sbc06#015#012Call-ID: a40d965d-99ec-123d-6f92-ecf4bbd64f6c#015#012Contact: <sip:36.53.xx.xx:5060>#015#012CSeq: 84025572 INVITE#015#012Server: sbc_5#015#012Content-Length: 0#015#012#015#012>

And the actual SIP message is 


U 36.53.xx.xx:5060 -> 10.x.x.30:5060 #850
SIP/2.0 607.
Via: SIP/2.0/UDP 134.195.195.40:5060;branch=z9hG4bKbdbd.95060a558d66b77d258b8d0799be4cf0.0;i=2.
Via: SIP/2.0/UDP 127.0.0.8;branch=z9hG4bKsr-Sz6QPbTDsrqSQc7ys87Ds87VP37Ds87YG870sXCWo1G6ujo6oXzisr0isX7Dsr0isXCSZXcFujwtH.KOH.QqGXs09XNtw.dEJ5GhvjhauNHzwFCaHXyLA3G.SjwaAmdn.
From: "13xxxxxxxxxx" <sip:13xxxxxxxxxx@10.x.x.10>;tag=pFFatBpUc75BH.
To: <sip:441xxxxxxxxx@36.53.xx.xx;transport=udp>;tag=sbcsipuas_1_C56639_20240531081932874_sbc04.
Call-ID: e0d2f5fa-99ea-123d-6f92-ecf4bbd64f6c.
Contact: <sip:36.53.xx.xx:5060>.
CSeq: 84025194 INVITE.
Server: sbc_5.
Content-Length: 0.

Any insights or suggestions would be greatly appreciated.

Thank you!

Mustafa

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