Hello Raghav, Raghav Gururajan writes: > Hi Christopher, > >> Raghav, I have sent you an instant message from my account. I am >> currently still using the old version of linphone. > > I didn't receive it. Could you please retry? > > Linphone Account: raghavgururajan@sip.linphone.org > > Regards, > RG. I've also sent some messages to you, using a freshly created apteryx@@sip.linphone.org. The logs seem to suggest it's happening: --8<---------------cut here---------------start------------->8--- [13:53:20:103][Info]Core:linphone: channel [0x37c5440] [332] bytes parsed [13:53:20:103][Info]Core:linphone: Found transaction matching response. [13:53:20:103][Info]Core:linphone: Changing [client] [MESSAGE] transaction [0x4a410f0], from state [TRYING] to [PROCEEDING] [13:53:25:319][Warning]Core:linphone: Unable to get event from invalid key. [13:53:25:319][Info]Core:linphone: Linphone core [0x2e3af50] notified [message_sent] [13:53:25:319][Info]Core:linphone: MainDb::addEvent() of type 5 [13:53:25:539][Info]Core:linphone: Skipping top route of initial route-set because same as request-uri [13:53:25:539][Info]Core:linphone: linphone_core_find_auth_info(): returning auth info username=apteryx, realm=sip.linphone.org [13:53:25:539][Info]Core:linphone: AuthStack::authFound() for Username[apteryx];Userid[];Realm[sip.linphone.org];Domain[sip.linphone.org];Algorithm[]; [13:53:25:539][Info]Core:linphone: Auth info found for [apteryx] realm [sip.linphone.org] [13:53:25:539][Info]Core:linphone: Changing [client] [MESSAGE] transaction [0x446bd50], from state [INIT] to [TRYING] [13:53:25:539][Info]Core:linphone: channel [0x37c5440]: message sent to [TLS://sip.linphone.org:5223], size: [821] bytes MESSAGE sip:raghavgururajan@sip.linphone.org SIP/2.0 Via: SIP/2.0/TLS 192.168.10.15:36146;branch=z9hG4bK.nvSrPVAQ-;rport From: ;tag=sNabHMonG To: sip:raghavgururajan@sip.linphone.org CSeq: 20 MESSAGE Call-ID: FmJ5VPXB0Z Max-Forwards: 70 Supported: replaces, outbound, gruu Date: Fri, 14 May 2021 17:53:25 GMT Content-Type: text/plain Content-Length: 12 User-Agent: Linphone Desktop/4.2.5 (Linux 5.11.15-gnu, Qt 5.15.2) LinphoneCore/4.4.0 Proxy-Authorization: Digest realm="sip.linphone.org", nonce="ODZJ5AAAAAD+5i4ZAAAmBjdV5PQAAAAA", algorithm=SHA-256, opaque="+GNywA==", username="apteryx", uri="sip:raghavgururajan@sip.linphone.org", response="ac0ce24d9d9c3785afa9a60395dc5b968b64527b2e4ff85c95b8cf3324849f65", cnonce="8kDLLCPfecEsYnUM", nc=0000000b, qop=auth another test [13:53:25:716][Info]Core:linphone: Chat message 0x4b85670: moving from Idle to InProgress [13:53:25:716][0x2946a00][Info]components/sip-addresses/SipAddressesModel.cpp:427: Handle message sent. [13:53:25:716][Info]Core:linphone: QT: components/sip-addresses/SipAddressesModel.cpp:427: Handle message sent. [13:53:25:716][0x2946a00][Info]components/sip-addresses/SipAddressesModel.cpp:485: "Update (`sip:raghavgururajan@sip.linphone.org`, `sip:apteryx@sip.linphone.org`) from chat message." [13:53:25:716][Info]Core:linphone: QT: components/sip-addresses/SipAddressesModel.cpp:485: "Update (`sip:raghavgururajan@sip.linphone.org`, `sip:apteryx@sip.linphone.org`) from chat message." [13:53:25:725][Info]Core:linphone: channel [0x37c5440]: received [332] new bytes from [TLS://sip.linphone.org:5223]: SIP/2.0 100 Trying Via: SIP/2.0/TLS 192.168.10.15:36146;branch=z9hG4bK.nvSrPVAQ-;rport=36146;received=205.236.230.44 From: ;tag=sNabHMonG To: Call-ID: FmJ5VPXB0Z CSeq: 20 MESSAGE Server: Flexisip/2.0.4-14-ga52de420 (sofia-sip-nta/2.0) Content-Length: 0 [13:53:25:727][Info]Core:linphone: channel [0x37c5440] [332] bytes parsed [13:53:25:727][Info]Core:linphone: Found transaction matching response. [13:53:25:727][Info]Core:linphone: Changing [client] [MESSAGE] transaction [0x446bd50], from state [TRYING] to [PROCEEDING] [13:53:30:657][Info]Core:linphone: channel [0x37c5440]: received [277] new bytes from [TLS://sip.linphone.org:5223]: SIP/2.0 202 Accepted Via: SIP/2.0/TLS 192.168.10.15:36146;branch=z9hG4bK.nvSrPVAQ-;rport=36146;received=205.236.230.44 From: ;tag=sNabHMonG To: Call-ID: FmJ5VPXB0Z CSeq: 20 MESSAGE Content-Length: 0 [13:53:30:659][Info]Core:linphone: channel [0x37c5440] [277] bytes parsed [13:53:30:659][Info]Core:linphone: Found transaction matching response. [13:53:30:659][Info]Core:linphone: Changing [client] [MESSAGE] transaction [0x446bd50], from state [PROCEEDING] to [COMPLETED] [13:53:30:659][Info]Core:linphone: Chat message 0x4b85670: moving from InProgress to Delivered [13:53:30:866][Info]Core:linphone: Changing [client] [MESSAGE] transaction [0x446bd50], from state [COMPLETED] to [TERMINATED] [13:53:30:866][Info]Core:linphone: Client MESSAGE transaction [0x446bd50] terminated [13:53:30:866][Info]Core:linphone: Unhandled transaction terminated [0x446bd50] --8<---------------cut here---------------end--------------->8--- Did you receive anything? I can't seem to reproduce the crash seen by Christopher. Maxim