Improve routing delay with G711

Hello,

I have an issue where routing delay degrades when g711 is activated (instead of g729). Routing delay goes from ~0 to >7s, and ASR is also reduced as a result. Any idea why this might be? I suspect it is related to media processing, as G711 uses significantly more bandwidth. I am running SEMS on a 32 core VM, and processing ~100CPS.
Thanks

CPU is barely at 50%

Could you explain how this “routing delay” was measured? Because routing logic has no relation with media processing and codecs. Also there is “Routing delay” field in CDRs, could you share value of this field for affected calls?

Okay, thanks for responding.

Routing delay shows up in Reports/Origination Performance for each Customer, along with other stats. I believe that is an average. And the value is around 7 - 9.
Also, I have enabled signalling capture, and (from pcap file) it is at least 5 seconds before yeti forwards INVITE message to termination Gateway / Vendor. This explains where the delay is I think, but I can’t explain why this is happening.

Routing delay shows up in Reports/Origination Performance for each Customer, along with other stats. I believe that is an average. And the value is around 7 - 9.

This Origination Performance report shows cps rate received from originator. It can’t be used to measure any delays.

it is at least 5 seconds before yeti forwards INVITE message to termination Gateway / Vendor

Could you share trace and sems logs?

Also there is “Routing delay” field in CDRs, could you share value of this field for affected calls?

Could you share this data?

This is the routing delay field I refer to.

CDR record for one call, they all had similar values (Routing delay, pdd, rtt)
10.7594909667969 18.7901954650879 3.02469611167908

I sent the pcap file to your inbox.

Sems Logs for the period of the call

Feb 23 15:55:15 switch1 sems[29036]: [29049/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-555F10E9-60351737000600B4-49E60700
Feb 23 15:55:15 switch1 sems[29036]: [29045/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-6083328B-60351746000B3AE6-4A365700
Feb 23 15:55:15 switch1 sems[29036]: [29045/core/AmB2BSession.cpp:704] ERROR: [8-6083328B-60351746000B3AE6-4A365700] media session is missing, can’t update SDP
Feb 23 15:55:15 switch1 sems[29036]: [29045/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-6EA8BE6F-60351746000B5C3B-4A769700
Feb 23 15:55:15 switch1 sems[29036]: [29048/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-3A405EE8-6035173A00056721-4A264700
Feb 23 15:55:15 switch1 sems[29036]: [29043/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-12D0513D-6035173100018A9B-4A264700
Feb 23 15:55:15 switch1 sems[29036]: [29049/core/AmB2BSession.cpp:704] ERROR: [8-525E3375-6035173A0005D8F1-4A264700] media session is missing, can’t update SDP
Feb 23 15:55:15 switch1 sems[29036]: [29053/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-7E0F9C3B-6035174A00040980-4A567700
Feb 23 15:55:15 switch1 sems[29036]: [29045/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-4F28BD31-603517100000E3A8-49D5F700
Feb 23 15:55:15 switch1 sems[29036]: [29053/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-3705599A-60351716000DB8AA-4A466700
Feb 23 15:55:15 switch1 sems[29036]: [29044/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-185AB4AC-6035173A0002B12A-4A365700
Feb 23 15:55:15 switch1 sems[29036]: [29045/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-3A122D85-6035172E000EFEC6-4A86A700
Feb 23 15:55:15 switch1 sems[29036]: [29050/core/sip/trans_layer.cpp:1586] ERROR: Trying to cancel a request while in TERMINATED_200 state; inv_cseq: 10, i:8-31733BFD-6035174300031928-49F61700
Feb 23 15:55:15 switch1 sems[29036]: [29050/core/AmB2BSession.cpp:704] ERROR: [8-31733BFD-6035174300031928-49F61700] media session is missing, can’t update SDP
Feb 23 15:55:15 switch1 sems[29036]: [29050/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-5797B5EA-6035174B000B8177-49B5D700
Feb 23 15:55:15 switch1 sems[29036]: [29044/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-575677A7-6035173F00060B57-4A86A700
Feb 23 15:55:21 switch1 sems[29036]: [29048/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-3CA1383B-60351725000A8E75-4A062700
Feb 23 15:55:21 switch1 sems[29036]: [29049/core/sip/trans_layer.cpp:1586] ERROR: Trying to cancel a request while in TERMINATED_200 state; inv_cseq: 10, i:8-0174A19D-603517450009DEEE-4A264700
Feb 23 15:55:21 switch1 sems[29036]: [29049/core/AmB2BSession.cpp:704] ERROR: [8-0174A19D-603517450009DEEE-4A264700] media session is missing, can’t update SDP
Feb 23 15:55:21 switch1 sems[29036]: [29053/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-22CE7945-60351755000815EA-4A466700
Feb 23 15:55:21 switch1 sems[29036]: [29041/core/AmSipDialog.cpp:803] ERROR: trying to ACK a non-existing transaction (cseq=10;local_tag=8-42F15855-6035173C00078051-4A264700)
Feb 23 15:55:21 switch1 sems[29036]: [29041/core/AmB2BSession.cpp:976] ERROR: dlg->send_200_ack() failed, local_tag = 8-42F15855-6035173C00078051-4A264700
Feb 23 15:55:21 switch1 sems[29036]: [29049/core/AmB2BSession.cpp:704] ERROR: [8-545AC23F-603517470002DF5F-49C5E700] media session is missing, can’t update SDP
Feb 23 15:55:21 switch1 sems[29036]: [29053/core/sip/trans_layer.cpp:1586] ERROR: Trying to cancel a request while in TERMINATED_200 state; inv_cseq: 10, i:8-78EDE295-60351728000EC730-4A668700
Feb 23 15:55:21 switch1 sems[29036]: [29053/core/AmB2BSession.cpp:704] ERROR: [8-78EDE295-60351728000EC730-4A668700] media session is missing, can’t update SDP
Feb 23 15:55:21 switch1 sems[29036]: [29051/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-2177BCD0-60351751000CF37A-4A163700
Feb 23 15:55:21 switch1 sems[29036]: [29053/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-1357A586-6035173C000293BF-4A466700
Feb 23 15:55:21 switch1 sems[29036]: [29048/core/sip/trans_layer.cpp:1586] ERROR: Trying to cancel a request while in TERMINATED_200 state; inv_cseq: 10, i:8-47E7D692-6035173C0008BB8B-4A163700
Feb 23 15:55:21 switch1 sems[29036]: [29048/core/AmB2BSession.cpp:704] ERROR: [8-47E7D692-6035173C0008BB8B-4A163700] media session is missing, can’t update SDP
Feb 23 15:55:21 switch1 sems[29036]: [29048/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-2B28EDB6-6035173C0009028A-4A163700
Feb 23 15:55:21 switch1 sems[29036]: [29048/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-6B17BD36-6035173E00062E89-49E60700
Feb 23 15:55:21 switch1 sems[29036]: [29050/core/AmB2BSession.cpp:704] ERROR: [8-65218FE6-6035174F000B1579-4A567700] media session is missing, can’t update SDP
Feb 23 15:55:21 switch1 sems[29036]: [29049/core/AmB2BSession.cpp:704] ERROR: [8-35A80B2E-6035175100079D08-4A86A700] media session is missing, can’t update SDP
Feb 23 15:55:21 switch1 sems[29036]: [29052/core/AmSipDialog.cpp:803] ERROR: trying to ACK a non-existing transaction (cseq=10;local_tag=8-4746879A-6035174600054E39-49E60700)
Feb 23 15:55:21 switch1 sems[29036]: [29052/core/AmB2BSession.cpp:976] ERROR: dlg->send_200_ack() failed, local_tag = 8-4746879A-6035174600054E39-49E60700
Feb 23 15:55:22 switch1 sems[29036]: [29054/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-423F34AF-6035173C0007AB47-4A769700
Feb 23 15:55:22 switch1 sems[29036]: [29041/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-2FD8CCD8-60351755000F11C1-49D5F700
Feb 23 15:55:22 switch1 sems[29036]: [29051/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-0FA3A1EE-603517450003D86B-4A567700
Feb 23 15:55:23 switch1 sems[29036]: [29048/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-0FCBCC51-6035175300042BE1-4A567700
Feb 23 15:55:23 switch1 sems[29036]: [29052/core/sip/trans_layer.cpp:1586] ERROR: Trying to cancel a request while in TERMINATED_200 state; inv_cseq: 10, i:8-5E332A40-6035174C0007739E-4AA6C700
Feb 23 15:55:23 switch1 sems[29036]: [29052/core/AmB2BSession.cpp:704] ERROR: [8-5E332A40-6035174C0007739E-4AA6C700] media session is missing, can’t update SDP
Feb 23 15:55:23 switch1 sems[29036]: [29049/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-64048553-6035172C000D8AA1-4A365700
Feb 23 15:55:23 switch1 sems[29036]: [29050/core/sip/trans_layer.cpp:1586] ERROR: Trying to cancel a request while in TERMINATED_200 state; inv_cseq: 10, i:8-2830F5EC-60351751000CEC50-4A163700
Feb 23 15:55:23 switch1 sems[29036]: [29050/core/AmB2BSession.cpp:704] ERROR: [8-2830F5EC-60351751000CEC50-4A163700] media session is missing, can’t update SDP
Feb 23 15:55:24 switch1 sems[29036]: [29047/core/AmB2BSession.cpp:704] ERROR: [8-3A9F9763-60351753000C4970-49C5E700] media session is missing, can’t update SDP
Feb 23 15:55:24 switch1 sems[29036]: [29045/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-2B28FB15-6035175A00075D7B-4A86A700
Feb 23 15:55:24 switch1 sems[29036]: [29051/core/sip/trans_layer.cpp:1586] ERROR: Trying to cancel a request while in TERMINATED_200 state; inv_cseq: 10, i:8-017ECBFD-6035174C0007CE3A-4AA6C700
Feb 23 15:55:24 switch1 sems[29036]: [29051/core/AmB2BSession.cpp:704] ERROR: [8-017ECBFD-6035174C0007CE3A-4AA6C700] media session is missing, can’t update SDP
Feb 23 15:55:25 switch1 sems[29036]: [29052/core/sip/trans_layer.cpp:1586] ERROR: Trying to cancel a request while in TERMINATED_200 state; inv_cseq: 10, i:8-44262AB1-60351737000078BE-49C5E700
Feb 23 15:55:25 switch1 sems[29036]: [29052/core/AmB2BSession.cpp:704] ERROR: [8-44262AB1-60351737000078BE-49C5E700] media session is missing, can’t update SDP
Feb 23 15:55:25 switch1 sems[29036]: [29051/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-6B99BE34-6035175500080432-4A466700
Feb 23 15:55:25 switch1 sems[29036]: [29051/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-7E8AF358-60351755000ED8DC-49D5F700
Feb 23 15:55:26 switch1 sems[29036]: [29041/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-5D301D20-6035175700071F79-4A466700
Feb 23 15:55:26 switch1 sems[29036]: [29040/core/sip/trans_layer.cpp:1586] ERROR: Trying to cancel a request while in TERMINATED_200 state; inv_cseq: 10, i:8-631EFACB-60351751000D1C61-4A163700
Feb 23 15:55:26 switch1 sems[29036]: [29040/core/AmB2BSession.cpp:704] ERROR: [8-631EFACB-60351751000D1C61-4A163700] media session is missing, can’t update SDP
Feb 23 15:55:26 switch1 sems[29036]: [29041/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-57988301-60351758000AA9BB-4A264700
Feb 23 15:55:26 switch1 sems[29036]: [29042/core/AmB2BSession.cpp:704] ERROR: [8-49840FEF-603517570003B2A5-4A567700] media session is missing, can’t update SDP
Feb 23 15:55:26 switch1 sems[29036]: [29048/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-789B59D8-6035175600060F5B-4A96B700
Feb 23 15:55:26 switch1 sems[29036]: [29040/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-4F63D8E7-6035171F000AFEB2-4A062700
Feb 23 15:55:27 switch1 sems[29036]: [29053/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-23605532-6035175A0008F7EF-4A96B700
Feb 23 15:55:27 switch1 sems[29036]: [29046/core/sip/trans_layer.cpp:1586] ERROR: Trying to cancel a request while in TERMINATED_200 state; inv_cseq: 10, i:8-32BDC160-6035174B000C2822-49C5E700
Feb 23 15:55:27 switch1 sems[29036]: [29046/core/AmB2BSession.cpp:704] ERROR: [8-32BDC160-6035174B000C2822-49C5E700] media session is missing, can’t update SDP
Feb 23 15:55:27 switch1 sems[29036]: [29040/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-38ABA14F-6035174200043AD9-49C5E700
Feb 23 15:55:27 switch1 sems[29036]: [29043/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-6A9C6A8C-6035173900074FD0-49D5F700
Feb 23 15:55:27 switch1 sems[29036]: [29042/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-358C9CC2-603517420006CE73-49D5F700
Feb 23 15:55:27 switch1 sems[29036]: [29054/core/AmSipDialog.cpp:803] ERROR: trying to ACK a non-existing transaction (cseq=10;local_tag=8-78EA388F-60351731000BB4DA-49D5F700)
Feb 23 15:55:27 switch1 sems[29036]: [29054/core/AmB2BSession.cpp:976] ERROR: dlg->send_200_ack() failed, local_tag = 8-78EA388F-60351731000BB4DA-49D5F700
Feb 23 15:55:27 switch1 sems[29036]: [29047/core/sip/trans_layer.cpp:1586] ERROR: Trying to cancel a request while in TERMINATED_200 state; inv_cseq: 10, i:8-6BA93B57-6035174F00071730-4A769700
Feb 23 15:55:27 switch1 sems[29036]: [29047/core/AmB2BSession.cpp:704] ERROR: [8-6BA93B57-6035174F00071730-4A769700] media session is missing, can’t update SDP
Feb 23 15:55:27 switch1 sems[29036]: [29046/core/AmB2BSession.cpp:704] ERROR: [8-6AF58B96-603517570005C681-49E60700] media session is missing, can’t update SDP
Feb 23 15:55:27 switch1 sems[29036]: [29046/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-071906BB-603517570007DE82-49D5F700
Feb 23 15:55:27 switch1 sems[29036]: [29046/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-3E188BD8-60351757000EE540-4AA6C700
Feb 23 15:55:27 switch1 sems[29036]: [29050/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-4F20ED81-603517580006EE8E-4A567700
Feb 23 15:55:27 switch1 sems[29036]: [29050/core/AmB2BSession.cpp:704] ERROR: [8-4F20ED81-603517580006EE8E-4A567700] media session is missing, can’t update SDP
Feb 23 15:55:27 switch1 sems[29036]: [29053/core/sip/trans_layer.cpp:1586] ERROR: Trying to cancel a request while in TERMINATED_200 state; inv_cseq: 10, i:8-77A01A63-6035174A0007575A-4A466700
Feb 23 15:55:27 switch1 sems[29036]: [29053/core/AmB2BSession.cpp:704] ERROR: [8-77A01A63-6035174A0007575A-4A466700] media session is missing, can’t update SDP
Feb 23 15:55:27 switch1 sems[29036]: [29050/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-1B7B1285-6035171E00014596-49E60700
Feb 23 15:55:28 switch1 sems[29036]: [29048/core/sip/trans_layer.cpp:1586] ERROR: Trying to cancel a request while in TERMINATED_200 state; inv_cseq: 10, i:8-5457905B-6035174A000722DA-4A466700
Feb 23 15:55:28 switch1 sems[29036]: [29048/core/AmB2BSession.cpp:704] ERROR: [8-5457905B-6035174A000722DA-4A466700] media session is missing, can’t update SDP
Feb 23 15:55:28 switch1 sems[29036]: [29046/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-5A873C17-6035174100048DF0-49D5F700
Feb 23 15:55:28 switch1 sems[29036]: [29052/core/AmB2BSession.cpp:704] ERROR: [8-545A25B2-6035175300071ADB-49F61700] media session is missing, can’t update SDP
Feb 23 15:55:28 switch1 sems[29036]: [29052/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-070F4985-6035175300077A3F-49F61700
Feb 23 15:55:28 switch1 sems[29036]: [29052/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-2C7A7866-60351753000C6D3A-49C5E700
Feb 23 15:55:28 switch1 sems[29036]: [29052/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-24716F58-60351754000D6283-4A163700
Feb 23 15:55:28 switch1 sems[29036]: [29050/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-6A7EE079-60351743000574C2-4A466700
Feb 23 15:55:28 switch1 sems[29036]: [29042/core/sip/trans_layer.cpp:1586] ERROR: Trying to cancel a request while in TERMINATED_200 state; inv_cseq: 10, i:8-29E69F5F-6035174F00075CD6-4A769700
Feb 23 15:55:28 switch1 sems[29036]: [29042/core/AmB2BSession.cpp:704] ERROR: [8-29E69F5F-6035174F00075CD6-4A769700] media session is missing, can’t update SDP
Feb 23 15:55:28 switch1 sems[29036]: [29043/core/sip/trans_layer.cpp:1586] ERROR: Trying to cancel a request while in TERMINATED_200 state; inv_cseq: 10, i:8-5BC616DC-6035174F000C58A8-49F61700
Feb 23 15:55:28 switch1 sems[29036]: [29043/core/AmB2BSession.cpp:704] ERROR: [8-5BC616DC-6035174F000C58A8-49F61700] media session is missing, can’t update SDP
Feb 23 15:55:29 switch1 sems[29036]: [29046/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-64183E3C-6035175A000A0496-49D5F700
Feb 23 15:55:29 switch1 sems[29036]: [29053/core/AmB2BSession.cpp:704] ERROR: [8-48AD561E-6035175A0003221F-4A668700] media session is missing, can’t update SDP
Feb 23 15:55:29 switch1 sems[29036]: [29048/core/AmB2BSession.cpp:704] ERROR: [8-752AB0CB-603517530003F74E-4A567700] media session is missing, can’t update SDP
Feb 23 15:55:29 switch1 sems[29036]: [29041/core/AmB2BSession.cpp:704] ERROR: [8-395C0FE1-60351757000D22F4-4A062700] media session is missing, can’t update SDP
Feb 23 15:55:29 switch1 sems[29036]: [29054/core/sip/trans_layer.cpp:1586] ERROR: Trying to cancel a request while in TERMINATED_200 state; inv_cseq: 10, i:8-7A1B98CF-603517480002DC09-4A062700
Feb 23 15:55:29 switch1 sems[29036]: [29054/core/AmB2BSession.cpp:704] ERROR: [8-7A1B98CF-603517480002DC09-4A062700] media session is missing, can’t update SDP
Feb 23 15:55:29 switch1 sems[29036]: [29046/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-543069FF-60351749000816D0-49D5F700
Feb 23 15:55:30 switch1 sems[29036]: [29052/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-6B116CC2-6035175100087103-4AA6C700
Feb 23 15:55:30 switch1 sems[29036]: [29044/core/sip/trans_layer.cpp:1586] ERROR: Trying to cancel a request while in TERMINATED_200 state; inv_cseq: 10, i:8-750A64BC-60351757000728F0-4A163700
Feb 23 15:55:30 switch1 sems[29036]: [29044/core/AmB2BSession.cpp:704] ERROR: [8-750A64BC-60351757000728F0-4A163700] media session is missing, can’t update SDP
Feb 23 15:55:30 switch1 sems[29036]: [29044/core/AmB2BSession.cpp:704] ERROR: [8-750A64BC-60351757000728F0-4A163700] media session is missing, can’t update SDP
Feb 23 15:55:30 switch1 sems[29036]: [29040/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-664CEBA4-60351742000A2331-4AA6C700
Feb 23 15:55:30 switch1 sems[29036]: [29052/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-5198440C-6035175A0000D382-49D5F700
Feb 23 15:55:30 switch1 sems[29036]: [29044/core/AmSipDialog.cpp:803] ERROR: trying to ACK a non-existing transaction (cseq=10;local_tag=8-5E7722D0-60351746000BA04F-4A769700)
Feb 23 15:55:30 switch1 sems[29036]: [29044/core/AmB2BSession.cpp:976] ERROR: dlg->send_200_ack() failed, local_tag = 8-5E7722D0-60351746000BA04F-4A769700
Feb 23 15:55:31 switch1 sems[29036]: [29051/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-0AA32FEB-6035175E000077D7-49F61700
Feb 23 15:55:31 switch1 sems[29036]: [29053/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-30155D7B-6035175E00045170-4A163700
Feb 23 15:55:31 switch1 sems[29036]: [29042/core/AmB2BSession.cpp:517] ERROR: BUG: media session is missing, can’t update local SDP
Feb 23 15:55:31 switch1 sems[29036]: [29042/core/AmB2BSession.cpp:704] ERROR: [8-2B6F0FCD-603517470008D70A-49D5F700] media session is missing, can’t update SDP
Feb 23 15:55:31 switch1 sems[29036]: [29052/core/sip/trans_layer.cpp:1586] ERROR: Trying to cancel a request while in TERMINATED_200 state; inv_cseq: 10, i:8-4615C4D6-6035175200074733-4A264700
Feb 23 15:55:31 switch1 sems[29036]: [29052/core/AmB2BSession.cpp:704] ERROR: [8-4615C4D6-6035175200074733-4A264700] media session is missing, can’t update SDP
Feb 23 15:55:31 switch1 sems[29036]: [29055/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-04BA1827-6035175F000C9596-4A466700
Feb 23 15:55:31 switch1 sems[29036]: [29049/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-7BA70B0F-6035175F0007878E-49C5E700
Feb 23 15:55:31 switch1 sems[29036]: [29050/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-31B75CE6-603517460007EEFE-4A466700
Feb 23 15:55:32 switch1 sems[29036]: [29049/core/AmB2BSession.cpp:517] ERROR: BUG: media session is missing, can’t update local SDP
Feb 23 15:55:32 switch1 sems[29036]: [29049/core/AmB2BSession.cpp:704] ERROR: [8-0AF15E0B-603517240004505F-4A466700] media session is missing, can’t update SDP
Feb 23 15:55:32 switch1 sems[29036]: [29049/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-4560EC62-6035174800070FF6-49E60700
Feb 23 15:55:32 switch1 sems[29036]: [29044/core/AmB2BSession.cpp:704] ERROR: [8-6F4543C5-603517520006ADC8-4A769700] media session is missing, can’t update SDP
Feb 23 15:55:33 switch1 sems[29036]: [29050/core/sip/trans_layer.cpp:1586] ERROR: Trying to cancel a request while in TERMINATED_200 state; inv_cseq: 10, i:8-35B77E8B-6035175200026F91-49C5E700
Feb 23 15:55:33 switch1 sems[29036]: [29050/core/AmB2BSession.cpp:704] ERROR: [8-35B77E8B-6035175200026F91-49C5E700] media session is missing, can’t update SDP
Feb 23 15:55:33 switch1 sems[29036]: [29047/core/AmB2BSession.cpp:704] ERROR: [8-24B5F4EF-6035175B0006C593-49E60700] media session is missing, can’t update SDP
Feb 23 15:55:33 switch1 sems[29036]: [29040/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-23ADB35E-60351737000CDFCE-49C5E700
Feb 23 15:55:33 switch1 sems[29036]: [29044/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-021A6219-6035173D00034508-49F61700
Feb 23 15:55:33 switch1 sems[29036]: [29043/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-0A9DDE6B-6035175B000723F9-49E60700
Feb 23 15:55:33 switch1 sems[29036]: [29054/core/sip/trans_layer.cpp:1586] ERROR: Trying to cancel a request while in TERMINATED_200 state; inv_cseq: 10, i:8-0DD4B89A-603517570004FFFF-49E60700
Feb 23 15:55:33 switch1 sems[29036]: [29054/core/AmB2BSession.cpp:704] ERROR: [8-0DD4B89A-603517570004FFFF-49E60700] media session is missing, can’t update SDP
Feb 23 15:55:33 switch1 sems[29036]: [29047/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-4C3E8AAE-60351723000CAEE3-4AA6C700
Feb 23 15:55:34 switch1 sems[29036]: [29043/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-339024AA-60351728000304D1-4A86A700
Feb 23 15:55:34 switch1 sems[29036]: [29051/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-7C7CB13C-6035176100013BA2-49F61700
Feb 23 15:55:34 switch1 sems[29036]: [29041/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-324009AD-60351755000A4B0E-49C5E700
Feb 23 15:55:35 switch1 sems[29036]: [29042/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-460B3875-6035172B0007D665-4A062700
Feb 23 15:55:35 switch1 sems[29036]: [29048/core/sip/trans_layer.cpp:1586] ERROR: Trying to cancel a request while in TERMINATED_200 state; inv_cseq: 10, i:8-63019634-6035174F000BF07B-49F61700
Feb 23 15:55:35 switch1 sems[29036]: [29048/core/AmB2BSession.cpp:704] ERROR: [8-63019634-6035174F000BF07B-49F61700] media session is missing, can’t update SDP
Feb 23 15:55:35 switch1 sems[29036]: [29044/core/sip/trans_layer.cpp:1586] ERROR: Trying to cancel a request while in TERMINATED_200 state; inv_cseq: 10, i:8-4A021208-60351754000DC9ED-4AA6C700
Feb 23 15:55:35 switch1 sems[29036]: [29044/core/AmB2BSession.cpp:704] ERROR: [8-4A021208-60351754000DC9ED-4AA6C700] media session is missing, can’t update SDP
Feb 23 15:55:35 switch1 sems[29036]: [29041/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-7CC53E9B-6035173D00017801-4A668700
Feb 23 15:55:35 switch1 sems[29036]: [29052/core/AmB2BSession.cpp:517] ERROR: BUG: media session is missing, can’t update local SDP
Feb 23 15:55:35 switch1 sems[29036]: [29052/core/AmB2BSession.cpp:704] ERROR: [8-786807E9-6035171D00092149-4A062700] media session is missing, can’t update SDP
Feb 23 15:55:36 switch1 sems[29036]: [29041/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-1795E0F5-60351742000A5CBC-49B5D700
Feb 23 15:55:36 switch1 sems[29036]: [29048/core/AmB2BSession.cpp:704] ERROR: [8-01B70335-60351759000C193E-4A163700] media session is missing, can’t update SDP
Feb 23 15:55:36 switch1 sems[29036]: [29041/core/AmSipDialog.cpp:803] ERROR: trying to ACK a non-existing transaction (cseq=10;local_tag=8-7A8832AB-60351749000B3C6D-4A264700)
Feb 23 15:55:36 switch1 sems[29036]: [29041/core/AmB2BSession.cpp:976] ERROR: dlg->send_200_ack() failed, local_tag = 8-7A8832AB-60351749000B3C6D-4A264700
Feb 23 15:55:36 switch1 sems[29036]: [29043/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-30197C39-603517480002E7E9-49C5E700
Feb 23 15:55:36 switch1 sems[29036]: [29047/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-0F2D9F30-60351754000DD262-4A163700
Feb 23 15:55:36 switch1 sems[29036]: [29053/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-151200EC-603517620002E1D0-4A769700
Feb 23 15:55:36 switch1 sems[29036]: [29055/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-5D369017-6035172A0005184B-4A769700
Feb 23 15:55:37 switch1 sems[29036]: [29047/core/sip/trans_layer.cpp:1586] ERROR: Trying to cancel a request while in TERMINATED_200 state; inv_cseq: 10, i:8-0429F112-60351755000F3836-49D5F700
Feb 23 15:55:37 switch1 sems[29036]: [29047/core/AmB2BSession.cpp:704] ERROR: [8-0429F112-60351755000F3836-49D5F700] media session is missing, can’t update SDP
Feb 23 15:55:37 switch1 sems[29036]: [29044/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-1D0FBF0D-6035174C0007FA39-4AA6C700
Feb 23 15:55:37 switch1 sems[29036]: [29042/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-4C7D3225-6035176000013753-4A163700
Feb 23 15:55:37 switch1 sems[29036]: [29054/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-2E234F68-60351749000BDF8D-49C5E700
Feb 23 15:55:38 switch1 sems[29036]: [29054/core/sip/trans_layer.cpp:1586] ERROR: Trying to cancel a request while in TERMINATED_200 state; inv_cseq: 10, i:8-2DFB5427-60351753000BCB4A-49B5D700
Feb 23 15:55:38 switch1 sems[29036]: [29054/core/AmB2BSession.cpp:704] ERROR: [8-2DFB5427-60351753000BCB4A-49B5D700] media session is missing, can’t update SDP
Feb 23 15:55:38 switch1 sems[29036]: [29047/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-47716AB4-603517430003E050-4A264700
Feb 23 15:55:38 switch1 sems[29036]: [29041/core/sip/trans_layer.cpp:1586] ERROR: Trying to cancel a request while in TERMINATED_200 state; inv_cseq: 10, i:8-614CA72A-60351755000DD495-4A567700
Feb 23 15:55:38 switch1 sems[29036]: [29041/core/AmB2BSession.cpp:704] ERROR: [8-614CA72A-60351755000DD495-4A567700] media session is missing, can’t update SDP
Feb 23 15:55:38 switch1 sems[29036]: [29041/core/AmB2BSession.cpp:704] ERROR: [8-614CA72A-60351755000DD495-4A567700] media session is missing, can’t update SDP
Feb 23 15:55:38 switch1 sems[29036]: [29043/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-14570147-603517680005978B-4A769700
Feb 23 15:55:39 switch1 sems[29036]: [29048/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-4248516A-603517650004413D-4A668700
Feb 23 15:55:39 switch1 sems[29036]: [29052/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-688F7240-60351749000762BB-4A769700
Feb 23 15:55:39 switch1 sems[29036]: [29041/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-428EA0F9-60351759000C3FCE-4A163700
Feb 23 15:55:39 switch1 sems[29036]: [29047/core/sip/trans_layer.cpp:1586] ERROR: Trying to cancel a request while in TERMINATED_200 state; inv_cseq: 10, i:8-5F793D98-60351758000EF10F-49B5D700
Feb 23 15:55:39 switch1 sems[29036]: [29047/core/AmB2BSession.cpp:704] ERROR: [8-5F793D98-60351758000EF10F-49B5D700] media session is missing, can’t update SDP
Feb 23 15:55:39 switch1 sems[29036]: [29047/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-16E47A7C-603517610006F7D7-49C5E700
Feb 23 15:55:39 switch1 sems[29036]: [29055/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-71410FD8-603517680005F1CE-4A769700
Feb 23 15:55:40 switch1 sems[29036]: [29041/core/AmB2BSession.cpp:704] ERROR: [8-1942B906-603517610006D52D-49C5E700] media session is missing, can’t update SDP
Feb 23 15:55:40 switch1 sems[29036]: [29047/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-78A2CA49-6035173500077272-4A466700
Feb 23 15:55:40 switch1 sems[29036]: [29044/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-00448CFA-603517380000566D-49D5F700
Feb 23 15:55:40 switch1 sems[29036]: [29054/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-21D6F3FC-603517400006257E-4A86A700
Feb 23 15:55:40 switch1 sems[29036]: [29043/core/AmB2BSession.cpp:704] ERROR: [8-7B1F002A-60351768000BAA75-4AA6C700] media session is missing, can’t update SDP
Feb 23 15:55:40 switch1 sems[29036]: [29043/core/sip/trans_layer.cpp:1574] ERROR: Trying to cancel a request while in TS_COMPLETED state; inv_cseq: 10, i:8-1487C7CE-60351769000A3A0C-4A86A700
Feb 23 15:55:40 switch1 sems[29036]: [29044/core/AmSipDialog.cpp:803] ERROR: trying to ACK a non-existing transaction (cseq=10;local_tag=8-19119183-60351754000D8AED-4AA6C700)
Feb 23 15:55:40 switch1 sems[29036]: [29044/core/AmB2BSession.cpp:976] ERROR: dlg->send_200_ack() failed, local_tag = 8-19119183-60351754000D8AED-4AA6C700

this log almost useless. run core.request.log.dump command in yeti-cli and attach generated file. Also looks like you running pretty old version.

My bad, but managed to resolve the issue by increasing rtp receiver threads in sems config.