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Master NURS FPX 4000 Assessments with Expert Online Tutoring
by fortyquin93＠gmail.com 21 Mar '24

21 Mar '24

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Excel in NURS FPX 4010 Assessments with Our Expert Online Tutoring
by williammores96＠gmail.com 17 Mar '24

17 Mar '24

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Excel in NURS FPX 4010 Assessments with Our Expert Online Tutoring
by williammores96＠gmail.com 17 Mar '24

17 Mar '24

Excel in NURS FPX 4010 Assessments with Our Expert Online Tutoring Dominate your NURS FPX 4010 assessments with our specialized tutoring services. From Assessment 1 to 4, we provide comprehensive support to complete your nursing program with top grades. Start your success story today! Introduction to NURS FPX 4010 Series Assessments The NURS FPX 4010 series represents a significant milestone in the journey of nursing students. It challenges students to apply their knowledge in real-world scenarios, enhancing their clinical reasoning and decision-making skills. Whether you're just starting with NURS FPX 4010 Assessment 1 or gearing up for <a href=https://www.etutors.us/assessment-4-stakeholder-presentation/> NURS FPX 4010 Assessment 4</a>. , each assessment is a step closer to achieving your academic and professional goals in nursing. Why Our Tutoring Services Are Essential for Your Success Navigating through the NURS FPX 4010 series requires more than just hard work; it demands strategic study plans and insights from experienced professionals. Our tutoring services are designed to guide you through each assessment, including NURS FPX 4010 Assessment 2 and for <a href=https://www.etutors.us/nurs-fpx4010-assessment-3/>NURS FPX 4010 Assessment 3</a>. , ensuring you grasp the core concepts and apply them effectively. Customized Learning for Maximum Impact We believe in a personalized approach to learning, recognizing that each student has unique strengths and challenges. Our tutors tailor their teaching methods to suit your individual needs, focusing on areas that require additional attention, such as NURS FPX 4010 Assessment 4, to maximize your learning outcome. Expert Tutors Ready to Assist You Our team comprises seasoned nursing educators who excel in their respective fields. They bring a wealth of knowledge and practical experience, providing invaluable insights into successfully completing assessments like <a href=https://www.etutors.us/nurs-fpx4010-assessment-1-collaboration/>NURS FPX 4010</a>. . With our experts, you're not just preparing for an exam; you're gearing up for a successful career in nursing. Achieve Excellence in One Billing Cycle Our goal is to help you complete your BSN and MSN programs efficiently, without compromising the depth of learning. By focusing on crucial assessments, including <a href=https://www.etutors.us/nurs-fpx-4010-assessment-2//>NURS FPX 4010 Assessment 2</a>. and NURS FPX 4010 Assessment 3, we streamline your study process to ensure you're exam-ready in the shortest possible time. Comprehensive Support Tailored to Your Needs From "Write my assessment" to "Online assessment help," we offer a range of services to support your academic journey. Our comprehensive tutoring package includes review sessions, practice questions, and personalized feedback, covering every aspect of the NURS FPX 4010 Assessment 4 and beyond. <a href=https://www.etutors.us/nurs-fpx-4010/>Partner in Nursing Education</a>. Choosing our tutoring services for the NURS FPX 4010 series is a step towards academic excellence and professional mastery. With our personalized support, expert guidance, and comprehensive resources, you'll be well-equipped to tackle each assessment with confidence and achieve your goals in the competitive field of nursing. Elevate your nursing education with our expert tutors. Contact us now to learn how we can help you excel in the NURS FPX 4010 series and advance your career with confidence.

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Re: OSMO-BSC, OSMO-PCU PCU & SGSN Ericsson
by jheyrendt.ext＠orange.com 13 Mar '24

13 Mar '24

Hi Many thanks Harald for you answer Yes, Ericsson SGSN MKX uses Classic mode (not ip-sns), and the osmo-pcu is configured with this line: gb-dialect classic. We took the time to check the SGSN, BSC & network configuration and all seems well configured. We continue to check and test but no way for now to correct this NS initialization step, and this error: NS_STATUS, Cause PROTOCOL ERROR - unspecified. So, if you have other ideas of what could be the problem, you're welcome. In addition, if you know someone who had set up this configuration, we would be very interested by he way of BSC and BTS, SGSN were configured. Best regards Jean-Marc Orange Restricted ____________________________________________________________________________________________________________ Ce message et ses pieces jointes peuvent contenir des informations confidentielles ou privilegiees et ne doivent donc pas etre diffuses, exploites ou copies sans autorisation. Si vous avez recu ce message par erreur, veuillez le signaler a l'expediteur et le detruire ainsi que les pieces jointes. Les messages electroniques etant susceptibles d'alteration, Orange decline toute responsabilite si ce message a ete altere, deforme ou falsifie. Merci. This message and its attachments may contain confidential or privileged information that may be protected by law; they should not be distributed, used or copied without authorisation. If you have received this email in error, please notify the sender and delete this message and its attachments. As emails may be altered, Orange is not liable for messages that have been modified, changed or falsified. Thank you.

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OSMO-BSC, OSMO-PCU PCU & SGSN Ericsson
by jheyrendt.ext＠orange.com 09 Mar '24

09 Mar '24

Dear experts, We are trying to connect an osmocom platform to an Ericsson platform, and are trying to make funtional 2G. We use a VM for OSMO-BSC, a VM for OSMO-BTS-TRX + OSMO-PCU, and a Raspberry PI (trx-lms) Concerning the Gb, we connected the OSMO-PCU to an MKX Ericsson, and we have an error at the NS setup step. The communication between the SGSN Ericsson and the OSMO-PCU seems ok (IP / routing OK) We hope that the Ericsson MKX SGSN is well configured. We can see some packets: OSMO-PCU ---> SGSN : NS_RESET, Cause: P&M intervention, NS VCI: 0x1388, NSEI: 5000 and a response from the SGSN: NS_STATUS, Cause PROTOCOL ERROR - unspecified. What could be the problem ? timers ? ns-vci, nsvc 1, encapsulation,... Did someone test this: OSMOCOM with an ERICSSON SGSN ? One point is that the nsvci is only defined on the BSC (not on the SGSN) Many thanks in advance, Best regards Hoping that you could help us Jean-Marc ----------------------- BSC CONFIGURATION ----------------------- bts 0 type osmo-bts description LimeSDR Based BTS band GSM900 cell_identity 41023 location_area_code 390 base_station_id_code 63 ms max power 15 cell reselection hysteresis 4 rxlev access min 0 radio-link-timeout 32 channel allocator mode chan-req ascending channel allocator mode assignment ascending channel allocator mode handover ascending channel allocator mode vgcs-vbs ascending rach tx integer 9 rach max transmission 7 rach max-delay 63 channel-description attach 1 channel-description bs-pa-mfrms 5 channel-description bs-ag-blks-res 1 no nch-position no access-control-class-ramping early-classmark-sending forbidden early-classmark-sending-3g allowed ipa unit-id 901 0 oml ipa stream-id 255 line 0 neighbor-list mode automatic codec-support fr gprs ns timer tns-block 3 gprs ns timer tns-block-retries 3 gprs ns timer tns-reset 3 gprs ns timer tns-reset-retries 3 gprs ns timer tns-test 30 gprs ns timer tns-alive 3 gprs ns timer tns-alive-retries 10 gprs nsei 5000 gprs nsvc 0 nsvci 5000 gprs nsvc 0 local udp port 23001 gprs nsvc 0 remote ip 172.20.168.220 gprs nsvc 0 remote udp port 2157 ... ----------------------- PCU CONFIGURATION ----------------------- ns timer tns-block 3 timer tns-block-retries 3 timer tns-reset 3 timer tns-reset-retries 3 timer tns-test 30 timer tns-alive 3 timer tns-alive-retries 10 timer tsns-prov 3 timer tsns-size-retries 3 timer tsns-config-retries 3 timer tsns-procedures-retries 3 pcu flow-control-interval 10 cs 2 cs max 4 cs threshold 10 33 cs downgrade-threshold 200 cs link-quality-ranges cs1 6 cs2 5 8 cs3 7 13 cs4 12 mcs link-quality-ranges mcs1 6 mcs2 5 8 mcs3 7 13 mcs4 12 15 mcs5 14 17 mcs6 16 18 mcs7 17 20 mcs8 19 24 mcs9 23 mcs max 9 window-size 64 0 queue idle-ack-delay 10 queue codel

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[wireshark] GSMTAP: check version field
by Mauro Levra 04 Mar '24

04 Mar '24

Hello everyone, Could any of you please review the merge request "GSMTAP: check version field" [1]? The purpose is to check the content of the 'version' field in gsmtap header and act in case of unknown versions. Cheers, Mauro [1] https://gitlab.com/wireshark/wireshark/-/merge_requests/14623

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SDP API choices
by Neels Hofmeyr 26 Feb '24

26 Feb '24

Hi all, I'm currently working on 2G to 3G TrFO voice negotiation. In practice, that means, to be able to negotiate a set of AMR rates via SDP. And that, in turn, means that we handle fmtp properly in SDP strings. SDP is not only used in SIP to the other call leg, but also in the MGCP to the media gateway. - So we have a bunch of SDP and fmtp related code in osmo-mgw.git. - Separately, we have an SDP implementation in osmo-msc.git, because the SDP code in osmo-mgw.git was too tightly coupled with other code to be able to reuse it for MNCC->SIP. For fmtp negotiation, I now want similar things in both mgw and msc. What I want to do now, is move the SDP implementation from osmo-msc.git to osmo-mgw.git/libosmo-mgcp-client and make it public API: a common place that will also enable all other MGCP clients to work with AMR fmtp. All of this was just the intro =) the question I would like to put out there is about API design: static or dynamic, and opaque or transparent. Am I overthinking this? Or would you like to overthink it with me? == static or dynamic == In osmo-msc.git, the SDP structs so far are fully static and self-contained. The cool thing is that they can be copied around quite easily and there is no need for passing talloc ctx pointers, no need to worry about ownership, memleaks and double frees. But it also means that it uses fixed sizes: - char encoding_name[16], - char fmtp[256], - struct sdp_audio_codec codecs[32] and so on. Unfortunately, RFC-8866 does not define any limits whatsoever on number of characters or number of codecs in an SDP message. Quoting: "although no length limit is given, it is recommended that they be short" Thanks for nothing! >:( So for static API design, we need to now pick a good size for every single item in advance. When fmtp has max 256 bytes and codec lists have max 32 entries, even an empty list will use 32 * 256+ bytes: lots of heap allocations. And the limits are hard: anyone wanting to correctly express more than 32 different codec variants can simply not use this library. Dynamic seems a much better fit for RFC-8866. There is practically no limit at all on string length / list length. Also the caller allocates not one byte more memory than is actually needed. The argument has been going back and forth in my head for weeks. Static makes things so much simpler. But what sizes should we dictate. Ok then dynamic. But these days we have "infinite" memory, the bottleneck is CPU time, so if we can be static, we are gracious on very cheap real estate (memory) while saving a lot of the precious stuff (cycles). Ok then static. But with all those AMR variants that are coming up, I want to at least be able to represent all of them in one list, so I need at least 64 entries. And let's allow long fmtp strings, who knows. Then we'll end up with ~20kb of data that every codec list out there will use up, even if it is empty. Even if it is just a temporary local variable. Even if it is just dragged along for a rare use case and never actually needed. Is it really faster to allocate 100 times more memory statically versus allocating just enough but dynamically? In the end I decided for dynamic allocation. When I started adding talloc ctx args, I wanted the API to be simple, so every single part of the puzzle is now its own dynamic allocation: struct osmo_sdp_msg { char *username; // talloc_strdup() char *session_name; // talloc_strdup() [...] struct osmo_sdp_codec_list *codecs; // osmo_sdp_codec_list_alloc() // llist_head // -> osmo_sdp_codec_alloc() // \___ char *encoding_name -> talloc_strdup() // _ char *fmtp -> talloc_strdup() // -next-> osmo_sdp_codec_alloc() // \___ ... // -next-> osmo_sdp_codec_alloc() // \___ ... }; All of this used to be just a single self-contained struct. You might ask, why is 'codecs', which is just the llist_head, a separate allocation? Because I want the API to trivially figure out the talloc parent context to allocate items from: osmo_codec_list_add(my_list, my_codec); and not have to worry about the individual code paths' parent context to allocate new entries from: osmo_codec_list_add(&my_obj->my_list, my_obj->backpointer.backpointer.ctx, my_codec); So the only functions with a talloc ctx argument are osmo_codec_alloc(ctx) and osmo_codec_list_alloc(ctx) This style has a tendency to spread: Now I want to also make osmo-msc's struct codec_filter a dynamic allocation, because the codec_filter_foo() currently have no ctx argument; they still use the static SDP structs. When the codec_filter pointer itself is the neat logical talloc parent of the codec lists it uses, then I don't need to add a separate ctx arg everywhere now. Am I taking this too far now? Am I overthinking it and either way is fine? == opaque vs transparent == I can either have the full struct definition in the .h file = transparent, or I can hide the struct in the .c file and provide lots of getter and setter functions = opaque. Both ways have a major advantage over the other: - opaque means that we can freely extend the API without any ABI breakage, ever. - transparent means that callers can easily define const arrays of data structures. In my case, I want to keep const lists of const codecs for e.g. test data in unit tests, for listing known codecs in codec_mapping.c, for defining default codec configuration. transparent allows: const struct osmo_sdp_codec ran_defaults = { { .encoding_name = "AMR", .rate = 8000, .fmtp = "octet-align=1;mode-set=0,2,4,7", .payload_type = 112, }, { .encoding_name = "AMR", .rate = 8000, .fmtp = "octet-align=1;mode-set=0,2,4", .payload_type = 112, }, { .encoding_name = "AMR", .rate = 8000, .fmtp = "mode-set=0,2,4,7", .payload_type = 112, }, { .encoding_name = "AMR", .rate = 8000, .fmtp = "mode-set=0,2,4", .payload_type = 112, }, { .encoding_name = "GSM-EFR", .rate = 8000, .payload_type = 110, }, { .encoding_name = "GSM", .rate = 8000, .payload_type = 3, }, { .encoding_name = "GSM-HR-08", .rate = 8000, .payload_type = 111, }, }; int i; for (i = 0; i < ARRAY_SIZE(ran_defaults); i++) osmo_sdp_codec_list_add(g_ran_codecs_cfg, &defaults[i]) printf("%s", codec->encoding_name); if (!strcmp(codec->encoding_name, "AMR")) printf(":%s", codec->fmtp); same in opaque: osmo_sdp_codec_list_add(g_ran_codecs_cfg, "AMR", 8000, "octet-align=1;mode-set=0,2,4,7", 112); osmo_sdp_codec_list_add(g_ran_codecs_cfg, "AMR", 8000, "octet-align=1;mode-set=0,2,4", 112); osmo_sdp_codec_list_add(g_ran_codecs_cfg, "AMR", 8000, "mode-set=0,2,4,7", 112); osmo_sdp_codec_list_add(g_ran_codecs_cfg, "AMR", 8000, "mode-set=0,2,4", 112); osmo_sdp_codec_list_add(g_ran_codecs_cfg, "GSM-EFR", 8000, NULL, 110); osmo_sdp_codec_list_add(g_ran_codecs_cfg, "GSM", 8000, NULL, 3); osmo_sdp_codec_list_add(g_ran_codecs_cfg, "GSM-HR-08", 8000, NULL, 111); printf("%s", osmo_sdp_codec_get_encoding_name(codec)); if (!strcmp(osmo_sdp_codec_get_encoding_name(codec), "AMR")) printf(":%s", osmo_sdp_codec_get_ftmp(codec)); The opaque looks alright in comparison, but - being able to enlist a struct osmo_sdp_codec in a const array is powerful, allowing the paradigm to replace code complexity by good data structures. So used in codec_mapping.c in osmo-msc. - requiring getters and setters for each end every member creates a long list of API functions: 'get' and 'set' for each orthogonal member; we might be tempted to "dupe" many llist_*() functions for osmo_sdp_codec_list. - having to call functions for each end every member makes the code a lot more noisy. - it forces all allocation decisions down onto the caller = only using the API author's favorite dynamic allocation, hello memleaks etc. IMHO, opaque APIs are often lots of code with very low density of actually important stuff. /* This function gets foo. */ struct foo *get_foo(x) { return x->foo; } This is so plump and boring!! Currently I am following the transparent way, and putting 'bool v2;' extension flags for a distant future in the structs' ends. But there has been a discussion here that the truly good APIs are opaque. talloc, libSDL, libsndfile come to mind. == both == Finally, these two aspects are interdependent: An opaque API *has* to be dynamic. So far, I am moving from the transparent+static implementation to transparent+dynamic. Should I also go the "next" step to opaque+dynamic? I don't really want to... I've had these considerations many times in my life, and there never seems to be the one best way. Thanks for your thoughts! If you need more code reference for what I am talking about: old static: https://cgit.osmocom.org/osmo-msc/tree/include/osmocom/msc/sdp_msg.h?id=1b1… https://cgit.osmocom.org/osmo-msc/tree/src/libmsc/sdp_msg.c?id=1b1a39bea1c5… new dynamic+transparent: https://cgit.osmocom.org/osmo-mgw/tree/include/osmocom/sdp?h=neels/sdp&id=2… https://cgit.osmocom.org/osmo-mgw/tree/src/libosmo-sdp?h=neels/sdp&id=24c09… ~N -- - Neels Hofmeyr <nhofmeyr(a)sysmocom.de> http://www.sysmocom.de/ ======================================================================= * sysmocom - systems for mobile communications GmbH * Alt-Moabit 93 * 10559 Berlin, Germany * Sitz / Registered office: Berlin, HRB 134158 B * Geschäftsführer / Managing Directors: Harald Welte

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ERROR Trying to dispatch event 17 to non-existent FSM instance!
by JPichel 08 Feb '24

08 Feb '24

Hi, I hope this is the place to ask this, if not I will delete this post. I am trying to run my own 2G network for researching purposes. I am running the following elements: - osmo-bts-trx (connecting to osmo-trx-uhd driving a USRP B205mini-i) - osmo-bsc - osmo-msc - osmo-hlr - osmo-mgw I built all the programs from source on Ubuntu 22.04. Everything is running locally on one machine. Everything seems to be running OK. I was able to register two different subscribers by IMSI (without providing K and OPc) and assign MSISDN tothem. They can use the default USSD codes for seeing their IMSI and their MSISDN and I can make voice calls between both subscribers. I am mostly using the default config files provided with the installation, the only changes I made to them was to point IPs to 127.0.0.1 to run everything on the same machine. But when starting osmo-bsc and osmo-msc I get the same error on both: jonathan@em680:~/tfg/osmo/config$ osmo-msc -c osmo-msc.cfg DLGLOBAL NOTICE Available via telnet 127.0.0.1 4254 (telnet_interface.c:88) DLCTRL NOTICE CTRL at 127.0.0.1 4255 (control_if.c:1014) DLGSUP NOTICE GSUP connecting to 127.0.0.1:4222 (gsup_client.c:74) DDB NOTICE Init database connection to 'sms.db' using SQLite3 lib version 3.37.2 (db.c:521) DLMGCP NOTICE MGW(mgw) MGCP client: using endpoint domain '@mgw' (mgcp_client.c:933) DMSC NOTICE MGW pool with 1 pool members configured, (ignoring MGW configuration in VTY node 'msc'). (msc_main.c:596) DLSCCP NOTICE OsmoMSC-A: Creating SS7 instance (sccp_user.c:536) DLSCCP NOTICE OsmoMSC-A: Using SS7 instance 0, pc:0.23.1 (sccp_user.c:563) DLSCCP NOTICE OsmoMSC-A: Creating AS instance (sccp_user.c:570) DLSCCP NOTICE OsmoMSC-A: Using AS instance as-clnt-OsmoMSC-A (sccp_user.c:581) DLSCCP NOTICE OsmoMSC-A: Creating default route (sccp_user.c:587) DLSCCP NOTICE OsmoMSC-A: No unassociated ASP for m3ua, creating new ASP asp-clnt-OsmoMSC-A (sccp_user.c:626) DLGLOBAL ERROR Trying to dispatch event 17 to non-existent FSM instance! (osmo_ss7_as.c:118) DLGLOBAL ERROR backtrace() returned 11 addresses (backtrace.c:42) DLGLOBAL ERROR /usr/local/lib/libosmocore.so.21(osmo_log_backtrace+0x24) [0x7fc1ddd9fdcc] (backtrace.c:53) DLGLOBAL ERROR /usr/local/lib/libosmocore.so.21(_osmo_fsm_inst_dispatch+0x144) [0x7fc1dddaade7] (backtrace.c:53) DLGLOBAL ERROR /usr/local/lib/libosmo-sigtran.so.9(osmo_ss7_as_add_asp+0x1f9) [0x7fc1ddcfb80c] (backtrace.c:53) DLGLOBAL ERROR /usr/local/lib/libosmo-sigtran.so.9(osmo_sccp_simple_client_on_ss7_id+0xa48) [0x7fc1ddd1dd5e] (backtrace.c:53) DLGLOBAL ERROR osmo-msc(+0x26fd8) [0x55fa5388bfd8] (backtrace.c:53) DLGLOBAL ERROR osmo-msc(+0x27043) [0x55fa5388c043] (backtrace.c:53) DLGLOBAL ERROR osmo-msc(+0x27bed) [0x55fa5388cbed] (backtrace.c:53) DLGLOBAL ERROR /lib/x86_64-linux-gnu/libc.so.6(+0x29d90) [0x7fc1dd95fd90] (backtrace.c:53) DLGLOBAL ERROR /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x80) [0x7fc1dd95fe40] (backtrace.c:53) DLGLOBAL ERROR osmo-msc(+0x26565) [0x55fa5388b565] (backtrace.c:53) DLSCCP NOTICE OsmoMSC-A: Using ASP instance asp-clnt-OsmoMSC-A (sccp_user.c:695) DLSS7 NOTICE 0: Creating SCCP instance (osmo_ss7.c:408) DSGS NOTICE SGs socket bound to r=NULL<->l=0.0.0.0:29118 (sgs_server.c:186) DMSC NOTICE A-interface: SCCP user OsmoMSC-A:RI=SSN_PC,PC=(no PC),SSN=BSSAP, cs7-instance 0 ((null)) (msc_main.c:806) DLINP NOTICE 127.0.0.1:4222 connection done (ipa.c:141) DLINP NOTICE received ID_GET for unit ID 0/0/0 (ipaccess.c:919) DLM3UA NOTICE 0: asp-asp-clnt-OsmoMSC-A: Received NOTIFY Type State Change:AS Inactive () (m3ua.c:625) DLSS7 NOTICE xua_default_lm(asp-clnt-OsmoMSC-A)[0x55fa542bb080]{ACTIVE}: Ignoring primitive M-ASP_ACTIVE.confirm (xua_default_lm_fsm.c:400) DLM3UA NOTICE 0: asp-asp-clnt-OsmoMSC-A: Received NOTIFY Type State Change:AS Active () (m3ua.c:625) DLM3UA NOTICE 0: asp-asp-clnt-OsmoMSC-A: Rx DAVA() for 0.23.3/0, (xua_snm.c:403) ... jonathan@em680:~/tfg/osmo/config$ osmo-bsc -c osmo-bsc.cfg DLGLOBAL NOTICE Available via telnet 127.0.0.1 4242 (telnet_interface.c:88) DLINP NOTICE enabling ipaccess BSC mode on 0.0.0.0 with OML 3002 and RSL 3003 TCP ports (ipaccess.c:1055) DLCTRL NOTICE CTRL at 127.0.0.1 4249 (control_if.c:1014) DLMGCP NOTICE MGW(mgw) MGCP client: using endpoint domain '@mgw' (mgcp_client.c:933) DNM NOTICE MGW pool with 1 pool members configured, (ignoring MGW configuration in VTY node 'msc'). (osmo_bsc_main.c:889) DMSC NOTICE To auto-configure msc 0, creating cs7 instance 0 implicitly (osmo_bsc_sigtran.c:600) DMSC NOTICE Initializing SCCP connection for A/m3ua on cs7 instance 0 (osmo_bsc_sigtran.c:647) DLSCCP ERROR SS7 instance 0: no primary point-code set, using default point-code (sccp_user.c:557) DLSCCP NOTICE A-0-m3ua: Using SS7 instance 0, pc:0.23.3 (sccp_user.c:563) DLSCCP NOTICE A-0-m3ua: Creating AS instance (sccp_user.c:570) DLSCCP NOTICE A-0-m3ua: Using AS instance as-clnt-A-0-m3ua (sccp_user.c:581) DLSCCP NOTICE A-0-m3ua: Creating default route (sccp_user.c:587) DLSCCP NOTICE A-0-m3ua: No unassociated ASP for m3ua, creating new ASP asp-clnt-A-0-m3ua (sccp_user.c:626) DLGLOBAL ERROR Trying to dispatch event 17 to non-existent FSM instance! (osmo_ss7_as.c:118) DLGLOBAL ERROR backtrace() returned 10 addresses (backtrace.c:42) DLGLOBAL ERROR /usr/local/lib/libosmocore.so.21(osmo_log_backtrace+0x24) [0x7f990ff0ddcc] (backtrace.c:53) DLGLOBAL ERROR /usr/local/lib/libosmocore.so.21(_osmo_fsm_inst_dispatch+0x144) [0x7f990ff18de7] (backtrace.c:53) DLGLOBAL ERROR /usr/local/lib/libosmo-sigtran.so.9(osmo_ss7_as_add_asp+0x1f9) [0x7f990fe9380c] (backtrace.c:53) DLGLOBAL ERROR /usr/local/lib/libosmo-sigtran.so.9(osmo_sccp_simple_client_on_ss7_id+0xa48) [0x7f990feb5d5e] (backtrace.c:53) DLGLOBAL ERROR osmo-bsc(+0x144035) [0x556b310d7035] (backtrace.c:53) DLGLOBAL ERROR osmo-bsc(+0x2aef0) [0x556b30fbdef0] (backtrace.c:53) DLGLOBAL ERROR /lib/x86_64-linux-gnu/libc.so.6(+0x29d90) [0x7f990fc55d90] (backtrace.c:53) DLGLOBAL ERROR /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x80) [0x7f990fc55e40] (backtrace.c:53) DLGLOBAL ERROR osmo-bsc(+0x28265) [0x556b30fbb265] (backtrace.c:53) DLSCCP NOTICE A-0-m3ua: Using ASP instance asp-clnt-A-0-m3ua (sccp_user.c:695) DLSS7 NOTICE 0: Creating SCCP instance (osmo_ss7.c:408) DMSC NOTICE A-0-m3ua msc-0: local (BSC) SCCP address: RI=SSN_PC,PC=0.23.3,SSN=BSSAP (osmo_bsc_sigtran.c:703) DMSC NOTICE A-0-m3ua msc-0: remote (MSC) SCCP address: RI=SSN_PC,PC=0.23.1,SSN=BSSAP (osmo_bsc_sigtran.c:705) DMSC NOTICE A-0-m3ua msc-0: binding SCCP user (osmo_bsc_sigtran.c:710) DLSS7 ERROR XUA_AS(as-clnt-A-0-m3ua)[0x556b31b42cc0]{AS_INACTIVE}: Event AS-TRANSFER.req not permitted (m3ua.c:510) DLM3UA NOTICE 0: asp-asp-clnt-A-0-m3ua: Received NOTIFY Type State Change:AS Inactive () (m3ua.c:625) DLSS7 NOTICE xua_default_lm(asp-clnt-A-0-m3ua)[0x556b31b445c0]{ACTIVE}: Ignoring primitive M-ASP_ACTIVE.confirm (xua_default_lm_fsm.c:400) DLM3UA NOTICE 0: asp-asp-clnt-A-0-m3ua: Received NOTIFY Type State Change:AS Active () (m3ua.c:625) DMSC NOTICE RESET ACK from MSC: RI=SSN_PC,PC=0.23.1,SSN=BSSAP (osmo_bsc_bssap.c:84) DRESET NOTICE bssmap_reset(msc-0)[0x556b31b45790]{CONNECTED}: link up (bssmap_reset.c:83) DMSC NOTICE (msc0) BSSMAP association is up (a_reset.c:45) DLINP NOTICE 0.0.0.0:3002 accept()ed new link from 127.0.0.1:38477 (ipa.c:318) DLINP NOTICE Keepalive is set: 0 (ipaccess.c:612) DNM NOTICE OC=BTS(01) INST=(00,ff,ff): Get Attributes Response: feature 'GPRS' is supported (abis_nm.c:599) DNM NOTICE OC=BTS(01) INST=(00,ff,ff): Get Attributes Response: feature 'EGPRS' is supported (abis_nm.c:599) DNM NOTICE OC=BTS(01) INST=(00,ff,ff): Get Attributes Response: feature 'HOPPING' is supported (abis_nm.c:599) DNM NOTICE OC=BTS(01) INST=(00,ff,ff): Get Attributes Response: feature 'MULTI_TSC' is supported (abis_nm.c:599) DNM NOTICE OC=BTS(01) INST=(00,ff,ff): Get Attributes Response: feature 'OML_ALERTS' is supported (abis_nm.c:599) DNM NOTICE OC=BTS(01) INST=(00,ff,ff): Get Attributes Response: feature 'CBCH' is supported (abis_nm.c:599) DNM NOTICE OC=BTS(01) INST=(00,ff,ff): Get Attributes Response: feature 'SPEECH_F_V1' is supported (abis_nm.c:599) DNM NOTICE OC=BTS(01) INST=(00,ff,ff): Get Attributes Response: feature 'SPEECH_H_V1' is supported (abis_nm.c:599) DNM NOTICE OC=BTS(01) INST=(00,ff,ff): Get Attributes Response: feature 'SPEECH_F_EFR' is supported (abis_nm.c:599) DNM NOTICE OC=BTS(01) INST=(00,ff,ff): Get Attributes Response: feature 'SPEECH_F_AMR' is supported (abis_nm.c:599) DNM NOTICE OC=BTS(01) INST=(00,ff,ff): Get Attributes Response: feature 'SPEECH_H_AMR' is supported (abis_nm.c:599) DNM NOTICE OC=BTS(01) INST=(00,ff,ff): Get Attributes Response: feature 'ETWS_PN' is supported (abis_nm.c:599) DNM NOTICE OC=BTS(01) INST=(00,ff,ff): Get Attributes Response: feature 'PAGING_COORDINATION' is supported (abis_nm.c:599) DNM NOTICE OC=BTS(01) INST=(00,ff,ff): Get Attributes Response: feature 'IPV6_NSVC' is supported (abis_nm.c:599) DNM NOTICE OC=BTS(01) INST=(00,ff,ff): Get Attributes Response: feature 'ACCH_REP' is supported (abis_nm.c:599) DNM NOTICE OC=BTS(01) INST=(00,ff,ff): Get Attributes Response: feature 'CCN' is supported (abis_nm.c:599) DNM NOTICE OC=BTS(01) INST=(00,ff,ff): Get Attributes Response: feature 'VAMOS' is supported (abis_nm.c:599) DNM NOTICE OC=BTS(01) INST=(00,ff,ff): Get Attributes Response: feature 'ABIS_OSMO_PCU' is supported (abis_nm.c:599) DNM NOTICE OC=BTS(01) INST=(00,ff,ff): Get Attributes Response: feature 'BCCH_PWR_RED' is supported (abis_nm.c:599) DNM NOTICE OC=BTS(01) INST=(00,ff,ff): Get Attributes Response: feature 'DYN_TS_SDCCH8' is supported (abis_nm.c:599) DNM NOTICE OC=BTS(01) INST=(00,ff,ff): Get Attributes Response: feature 'ACCH_TEMP_OVP' is supported (abis_nm.c:599) DNM NOTICE OC=BTS(01) INST=(00,ff,ff): Get Attributes Response: feature 'VBS' is supported (abis_nm.c:599) DNM NOTICE OC=BTS(01) INST=(00,ff,ff): Get Attributes Response: feature 'VGCS' is supported (abis_nm.c:599) DNM NOTICE OC=BTS(01) INST=(00,ff,ff): ARI reported sw[0/2]: osmobts is 1.7.0.54-82a2 (abis_nm.c:652) DNM NOTICE OC=BTS(01) INST=(00,ff,ff): Reported variant: osmo-bts-trx (abis_nm.c:534) DNM ERROR OC=RADIO-CARRIER(02) INST=(00,00,ff): Attribute SW Configuration is unreported (abis_nm.c:557) DNM ERROR OC=BASEBAND-TRANSCEIVER(04) INST=(00,00,ff): Attribute Manufacturer Dependent State is unreported (abis_nm.c:557) DNM NOTICE OC=BASEBAND-TRANSCEIVER(04) INST=(00,00,ff): ARI reported sw[0/1]: TRX_PHY_VERSION is Unknown (abis_nm.c:652) DLINP NOTICE 0.0.0.0:3003 accept()ed new link from 127.0.0.1:37491 (ipa.c:318) DLINP NOTICE Keepalive is set: 0 (ipaccess.c:612) ... Is it something I should worry about? Thanks

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