Andreas, Just to be sure, I've tested it with 2 times applying uac_replace_xxx(), one in request_route, second - in branch_route and yes, in this case header is malformed
https://github.com/igorolhovskiy/kamailio-dev-dc/blob/kamailio_bug_5.8.5/kamailio/kamailio.cfg Can it be your case as well? Le jeu. 5 févr. 2026 à 09:47, Andreas Heil via sr-users < [email protected]> a écrit : > Hi Henning, > > I’ll check that again. > Just to be sure I didn’t make a mistake. > > Greetings, > Andreas > > > Am 04.02.2026 um 20:56 schrieb Henning Westerholt <[email protected]>: > > > > Hello Andreas, > > > > just to confirm - so its probably not related to the commit that was > shared previously about the change in the PV module? > > > > Cheers, > > > > Henning > > > >> -----Original Message----- > >> From: Andreas Heil via sr-users <[email protected]> > >> Sent: Mittwoch, 4. Februar 2026 14:30 > >> To: Kamailio (SER) - Users Mailing List <[email protected]> > >> Cc: Andreas Heil <[email protected]> > >> Subject: [SR-Users] Re: [EXT] Possible bug introduced in 5.8.5 > >> > >> > >> > >>> Am 04.02.2026 um 14:12 schrieb Ihor Olkhovskyi via sr-users <sr- > >> [email protected]>: > >>> > >>> Can you please share the initial packet? Cause leading space is also > something > >> I've seen before. > >>> And what is restore mode? > >>> > >>> modparam("uac","restore_mode","???“) > >> > >> What’s interesting is: > >> The leading space only appears if I use the remove_hf/append_hf > approach. > >> It doesn’t appear if I use uac_replace_to. > >> > >> The restore_mode is left on default (auto). > >> > >> Initial packet: > >> — snip — > >> INVITE sip:[email protected]:5060 SIP/2.0 > >> Via: SIP/2.0/UDP 1.2.3.4:5060;branch=z9hG4bK-95136-1-3;origin=2.3.4.5 > >> Max-Forwards: 69 > >> Contact: <sip:[email protected]:5060;transport=udp> > >> To: sip:[email protected]:5060 > >> From: <sip:[email protected]:5060>;tag=95136SIPpTag001 > >> Call-ID: [email protected] > >> CSeq: 2 INVITE > >> Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REGISTER, SUBSCRIBE, NOTIFY, > >> REFER, INFO, MESSAGE, UPDATE > >> Proxy-Authorization: Digest > >> username="+4923456789012",realm="example.com",uri="sip:3.4.5.6:5060 > ",nonc > >> e="fjlsdflcjm",response="rbcwnhfdmd",algorithm=MD5 > >> Content-Type: application/sdp > >> Supported: replaces, timer > >> User-Agent: Mitel XY > >> P-Preferred-Identity: <sip:[email protected]:5060> > >> Content-Length: 252 > >> X-CID: [email protected] > >> Route: <sip:[email protected]:5060;lr> > >> > >> v=0 > >> o=- 2178418001 27164738186117121 IN IP4 1.2.3.4 > >> s=- > >> c=IN IP4 1.2.3.4 > >> t=0 0 > >> m=audio 6000 RTP/AVP 8 0 101 > >> a=rtpmap:8 PCMA/8000 > >> a=rtpmap:0 PCMU/8000 > >> a=fmtp:18 annexb=no > >> a=rtpmap:101 telephone-event/8000 > >> a=sendrecv > >> a=ptime:20 > >> — snap — > >> > >> __________________________________________________________ > >> Kamailio - Users Mailing List - Non Commercial Discussions -- sr- > >> [email protected] > >> To unsubscribe send an email to [email protected] > >> Important: keep the mailing list in the recipients, do not reply only > to the sender! > > __________________________________________________________ > Kamailio - Users Mailing List - Non Commercial Discussions -- > [email protected] > To unsubscribe send an email to [email protected] > Important: keep the mailing list in the recipients, do not reply only to > the sender! > -- Best regards, Ihor (Igor)
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