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Alan Evans alan at kageds.comA lot of devices these days need talk to an entitlement server before they even display WiFi calling. -- Alan Evans alan at kageds.com On Fri, Nov 5, 2021, at 10:13 PM, Hyunwoo Lee wrote: > Dear, > > I am Hyunwoo Lee. I am a newbie to configure the custom SIM card. > I have one question in configuring sysmoISIM-SJA2 to enable VoWiFi on COTS UEs. The UEs that I am working on are Samsung Galaxy A21, OnePlus 7T, and Motorola G Power. > > I tried to make the UEs discover the ePDG by sending the DNS query and establish the IPsec channel with my IPsec server. I ran my own DNS server to reply with the IP address of my IPsec server on the DNS query. I tried to make it similar to the T-mobile setting since all of the UEs work well with the T-mobile SIM card. Unfortunately, I could not succeed in enabling VoWiFi on the UEs and I do not know why they do not work and what I can do further. > > I would appreciate it if someone could help me with this. I described what I did in detail below the line. > Thank you in advance for your help! > > Sincerely, > Hyunwoo Lee. > > ------------------------------ > > What I did is as follows: > 1) Equipments > - Two sysmoISIM-SJA2 > - PC/SC CCID ISO7816 USB Smart Card Reader > - UEs: Samsung Galaxy A21, OnePlus 7T, and Motorola G Power (all of them work well with the T-mobile SIM card) > > 2) Environment > - Ubuntu 18.04 LTS > - python 3.6.9 > - pySim 1.0 > > 3) Configuration of the SIM cards with pysim > - The command that I used to configure the SIM cards (to T-mobile) was: > : python3 pySim-prog.py -p 0 -a <adm value> -n name -x 310 -y 260 --imsi=3102601234567890 --msisdn=<telephone number> --epdgid=epdg.epc.mnc260.mcc310.pub.3gppnetwork.org --epdgSelection=310260 --ims-hdomain=ims.mnc260.mcc310.3gppnetwork.org --impi=sip:3102601234567890 at ims.mnc260.mcc310.3gppnetwork.org <mailto:sip%3A3102601234567890 at ims.mnc260.mcc310.3gppnetwork.org> --impu=sip:3102601234567890 at ims.mnc260.mcc310.3gppnetwork.org <mailto:sip%3A3102601234567890 at ims.mnc260.mcc310.3gppnetwork.org> --iccid=<ICCID value> > - The mnclen value is set to 3 > > 4) UE behavior with the SIM card > - Samsung Galaxy A21 > : It sends the DNS query for the ePDG, but does not execute the IKE protocol to establish the IPsec channel with the T-mobile core network. > > - OnePlus 7T and Motorola G Power > : It does not send the DNS query for the ePDG. > > 5) Configuration result > - The command that I used to read the SIM card > : python3 pySim-read.py -p 0 > - The result of the command > Using PC/SC reader interface > Reading ... > Autodetected card type: sysmoISIM-SJA2 > ICCID: 8988211000000459514 > IMSI: None > GID1: ffffffffffffffffffff > GID2: ffffffffffffffffffff > SMSP: ffffffffffffffffffffffffffffffffffffffffffffffffe1ffffffffffffffffffffffff0581005155f5ffffffffffff000000 > SPN: name > Show in HPLMN: True > Hide in OPLMN: True > PLMNsel: 130062ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff > PLMNwAcT: > 130062ffff # MCC: 310 MNC: 260 AcT: UTRAN, E-UTRAN WB-S1, E-UTRAN NB-S1, GSM, GSM COMPACT, cdma2000 HRPD, cdma2000 1xRTT > ffffff0000 # unused > ffffff0000 # unused > ffffff0000 # unused > ffffff0000 # unused > ffffff0000 # unused > ffffff0000 # unused > ffffff0000 # unused > ffffff0000 # unused > ffffff0000 # unused > ffffff0000 # unused > ffffff0000 # unused > > OPLMNwAcT: > 130062ffff # MCC: 310 MNC: 260 AcT: UTRAN, E-UTRAN WB-S1, E-UTRAN NB-S1, GSM, GSM COMPACT, cdma2000 HRPD, cdma2000 1xRTT > ffffff0000 # unused > ffffff0000 # unused > ffffff0000 # unused > ffffff0000 # unused > ffffff0000 # unused > ffffff0000 # unused > ffffff0000 # unused > ffffff0000 # unused > ffffff0000 # unused > ffffff0000 # unused > ffffff0000 # unused > > HPLMNAcT: > 130062ffff # MCC: 310 MNC: 260 AcT: UTRAN, E-UTRAN WB-S1, E-UTRAN NB-S1, GSM, GSM COMPACT, cdma2000 HRPD, cdma2000 1xRTT > ffffff0000 # unused > ffffff0000 # unused > ffffff0000 # unused > ffffff0000 # unused > ffffff0000 # unused > ffffff0000 # unused > ffffff0000 # unused > ffffff0000 # unused > ffffff0000 # unused > ffffff0000 # unused > ffffff0000 # unused > > ACC: 0002 > MSISDN (NPI=1 ToN=3): 17657759216 > Administrative data: 00000003 > MS operation mode: normal > Ciphering Indicator: disabled > SIM Service Table: ff33ffff3f003f0f300cf0c3f00000 > Service 1 - CHV1 disable function > Service 2 - Abbreviated Dialling Numbers (ADN) > Service 3 - Fixed Dialling Numbers (FDN) > Service 4 - Short Message Storage (SMS) > Service 5 - Advice of Charge (AoC) > Service 6 - Capability Configuration Parameters (CCP) > Service 7 - PLMN selector > Service 8 - RFU > Service 9 - MSISDN > Service 10 - Extension1 > Service 13 - Last Number Dialled (LND) > Service 14 - Cell Broadcast Message Identifier > Service 17 - Service Provider Name > Service 18 - Service Dialling Numbers (SDN) > Service 19 - Extension3 > Service 20 - RFU > Service 21 - VGCS Group Identifier List (EFVGCS and EFVGCSS) > Service 22 - VBS Group Identifier List (EFVBS and EFVBSS) > Service 23 - enhanced Multi-Level Precedence and Pre-emption Service > Service 24 - Automatic Answer for eMLPP > Service 25 - Data download via SMS-CB > Service 26 - Data download via SMS-PP > Service 27 - Menu selection > Service 28 - Call control > Service 29 - Proactive SIM > Service 30 - Cell Broadcast Message Identifier Ranges > Service 31 - Barred Dialling Numbers (BDN) > Service 32 - Extension4 > Service 33 - De-personalization Control Keys > Service 34 - Co-operative Network List > Service 35 - Short Message Status Reports > Service 36 - Network's indication of alerting in the MS > Service 37 - Mobile Originated Short Message control by SIM > Service 38 - GPRS > Service 49 - MExE > Service 50 - Reserved and shall be ignored > Service 51 - PLMN Network Name > Service 52 - Operator PLMN List > Service 53 - Mailbox Dialling Numbers > Service 54 - Message Waiting Indication Status > Service 57 - Multimedia Messaging Service (MMS) > Service 58 - Extension 8 > Service 59 - MMS User Connectivity Parameters > > EHPLMN: > 130062 # MCC: 310 MNC: 260 > ffffff # unused > ffffff # unused > ffffff # unused > > USIM Service Table: beff9f9de73e0408400170330006002e00000000 > Service 2 - Fixed Dialling Numbers (FDN) > Service 3 - Extension 2 > Service 4 - Service Dialling Numbers (SDN) > Service 5 - Extension3 > Service 6 - Barred Dialling Numbers (BDN) > Service 8 - Outgoing Call Information (OCI and OCT) > Service 9 - Incoming Call Information (ICI and ICT) > Service 10 - Short Message Storage (SMS) > Service 11 - Short Message Status Reports (SMSR) > Service 12 - Short Message Service Parameters (SMSP) > Service 13 - Advice of Charge (AoC) > Service 14 - Capability Configuration Parameters 2 (CCP2) > Service 15 - Cell Broadcast Message Identifier > Service 16 - Cell Broadcast Message Identifier Ranges > Service 17 - Group Identifier Level 1 > Service 18 - Group Identifier Level 2 > Service 19 - Service Provider Name > Service 20 - User controlled PLMN selector with Access Technology > Service 21 - MSISDN > Service 24 - Enhanced Multi-Level Precedence and Pre-emption Service > Service 25 - Automatic Answer for eMLPP > Service 27 - GSM Access > Service 28 - Data download via SMS-PP > Service 29 - Data download via SMS-CB > Service 32 - RUN AT COMMAND command > Service 33 - shall be set to 1 > Service 34 - Enabled Services Table > Service 35 - APN Control List (ACL) > Service 38 - GSM security context > Service 39 - CPBCCH Information > Service 40 - Investigation Scan > Service 42 - Operator controlled PLMN selector with Access Technology > Service 43 - HPLMN selector with Access Technology > Service 44 - Extension 5 > Service 45 - PLMN Network Name > Service 46 - Operator PLMN List > Service 51 - Service Provider Display Information > Service 60 - User Controlled PLMN selector for I-WLAN access > Service 71 - Equivalent HPLMN > Service 73 - Equivalent HPLMN Presentation Indication > Service 85 - EPS Mobility Management Information > Service 86 - Allowed CSG Lists and corresponding indications > Service 87 - Call control on EPS PDN connection by USIM > Service 89 - eCall Data > Service 90 - Operator CSG Lists and corresponding indications > Service 93 - Communication Control for IMS by USIM > Service 94 - Extended Terminal Applications > Service 106 - ePDG configuration Information support > Service 107 - ePDG configuration Information configured > Service 122 - 5GS Mobility Management Information > Service 123 - 5G Security Parameters > Service 124 - Subscription identifier privacy support > Service 126 - UAC Access Identities support > > ePDGId: > 657064672e6570632e6d6e633236302e6d63633331302e7075622e336770706e6574776f726b2e6f7267 # epdg.epc.mnc260.mcc310.pub.3gppnetwork.org > > ePDGSelection: > 130062000100 # MCC: 310 MNC: 260 ePDG Priority: 0001 ePDG FQDN format: Operator Identifier FQDN > ffffffffffff # unused > ffffffffffff # unused > ffffffffffff # unused > > P-CSCF: > Not available > Not available > Not available > Not available > Not available > Not available > Not available > Not available > > Home Network Domain Name: ims.mnc260.mcc310.3gppnetwork.org > IMS private user identity: sip:3102601234567890 at ims.mnc260.mcc310.3gppnetwork.org <mailto:sip%3A3102601234567890 at ims.mnc260.mcc310.3gppnetwork.org> > IMS public user identity: > sip:3102601234567890 at ims.mnc260.mcc310.3gppnetwork.org <mailto:sip%3A3102601234567890 at ims.mnc260.mcc310.3gppnetwork.org> > Not available > Not available > Not available > Not available > Not available > Not available > Not available > > UICC IARI: > Not available > Not available > Not available > Not available > Not available > Not available > Not available > Not available > > ISIM Service Table: 190200 > Service 1 - P-CSCF address > Service 4 - GBA-based Local Key Establishment Mechanism > Service 5 - Support of P-CSCF discovery for IMS Local Break Out > Service 10 - Support of UICC access to IMS > > Done ! > > Hyunwoo Lee, Ph. D. > Network Security Researcher > > E-mail: hw5773 at gmail.com > Homepage: https://hw5773.github.io -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/simtrace/attachments/20211106/e4648081/attachment.htm>