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About error for VOLTE #374
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Hey, can you please attach a pcpa taken on the machine where you are running docker_open5gs when you attempt to attach the UE to the network?? |
Hi: Sorry, in which interface can I see the logs to save the pcap file? Because I have a lot of 'veth', one that gives me Internet, another from docker0 and a br-c62676a2a66d Luis |
When you run wireshark, I would suggest capturing packets on interface named 'any' |
Hello, |
I dont see any S1AP packets etc in the trace you attached. Please do the following steps and send me the pcap
|
Hi: I have the new pcap. I hope it helps to resolve the problem. |
Another question: About COIMS, I don´t know how it works and if it is necessary to install on phones to force VOLTE. If you help me to understand please. Luis |
Thanks for pcap. I see in your pcap that UE is not attempting to establish a PDN connection to 'ims' APN. This means that IMS is not enabled on the phone.
If you are using Samsung devices CoIMS method wont work. Since IMS is not enabled on your phone it looks like you would need to force enable it on both of your devices |
In order to use CoIMS, you need a SIM which allows installing applet (ARA-M) and allow pushing of SHA1 certificate to that applet. The only SIM card I know which allows that is some Sysmocom. |
Hello: Exactly, what model of Sysmocom cards can buy for use COIMS? I find one model on Internet (I attach the link below) Luis |
Hello: Now I am working with MCC 001 and MNC 01 configuration. The phones are connected and have access to Internet. Also Volte options are enabled on both (symbol 'VoLTE'appears). The internet and ims APN are created, and the first is activate. But when I make the call, automatically disconnects from the network. So i don't know if it must change to the APN manually on the phones or maybe I see a problem on the logs. the output when I run the command: sudo kamailio -f /etc/kamailio_icscf/kamailio_icscf.cfg -P /kamailio_icscf.pid -DD -E -e loading modules under config path: /usr/lib64/kamailio/modules_k/:/usr/lib64/kamailio/modules/:/usr/lib/kamailio/modules_k/:/usr/lib/kamailio/modules/:/usr/lib/x86_64-linux-gnu/kamailio/modules/:/usr/local/lib64/kamailio/modules 0(535582) INFO: [core/tcp_main.c:5042]: init_tcp(): using epoll_lt as the io watch method (auto detected) If you can check please, I also want to have the voice service for my thesis project. Luis |
Please attach a pcap taken on ‘any’ interface on the machine running docker_open5gs when you register the phone and attempt a call |
newconfigdocker.pcapng.gz |
Hello: I finally establish the VOLTE calls with that configuration with Huawei phones using OYEITMES sim cards. Exactly, what model of Sysmocom cards can buy for use COIMS? I find one model on Internet (I attach the link below), because I want to try with more users, because with Samsung, or other phone brands it can't be enable to activate VOLTE. Tell me please if I should buy that model of Sysmocom SIM cards to try on ohter phone brand, for example, Samsung, Xiaomi. Luis |
You can buy the Sysmocom SIM pointed in that link
Just a note, even with the help of CoIMS its not possible to activate VoLTE on Samsung devices. It may work on non-Samsung devices |
Hi: Thanks for your reply. And why is it not possible on Samsung devices? |
Because Samsung does not follow whatever we set for these values - https://developer.android.com/reference/android/telephony/CarrierConfigManager.html and maintain their own set of settings per PLMN which can only be modified by a system app (App bundled with ROM) or if the device is rooted |
And in the case of non-samsung devices, you say that maybe it works
using COIMS for VOLTE or not. Why would it not work?
El mar, 5 nov 2024 a las 12:29, Supreeth Herle ***@***.***>)
escribió:
… And why is it not possible on Samsung devices?
Because Samsung does not follow whatever we set for these values -
https://developer.android.com/reference/android/telephony/CarrierConfigManager.html
and maintain their own set of settings per PLMN which can only be modified
by a system app (App bundled with ROM) or if the device is rooted
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When I was testing with other public PLMNs e.g. 262 10 etc I discovered that on some phone even though CoIMS method overrides the settings still VoLTE was not enabled so I am guessing it has to do with MBN files/settings (usually found in Qualcomm based modems) in modem not being set to enable VoLTE |
Hello Supreeth:
I am working with the tutorial that you send me about docker with Open 5GS and Kamailio. I am working on a single host mode.
I run succesfully the commands, and my sims register in the network, and have access to the internet. But for VOLTE, I try a call between the 2 numbers and it fails.
About the models of the phones, I am using Huawei P30 and Huawei Mate 20 lite.
I also create the 2 APNs on both phones. And I followed the steps on the tutorial of that Github.
screenshot of the PCAP:
Or maybe I should use another devices that supports VoLTE. But also in the pcap I don't see any SIP messages.
Please if you would help with the issue.
Best wishes,
Luis
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