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fixeria gerrit-no-reply at lists.osmocom.orgfixeria has posted comments on this change. ( https://gerrit.osmocom.org/c/pysim/+/16947 ) Change subject: Fixed reading of MSISDN parameter ...................................................................... Patch Set 6: > Patch Set 6: > > > P.S: I have verified the MSISDN programmed on the SIM represented in the same way as it was programmed > > Sorry, i swallowed some of my words :P. I meant, I verified the MSISDN number programmed on the SIM by putting it in a UE and it represented in the same way as it was programmed Ok, thanks for explanation. I also checked the specs, and here is what I propose: # Make sure mandatory fields are present if len(res) < 14: raise ValueError("EF-MSISDN length is too short") # Skip optional Alpha Identifier xlen = len(res) - 14 msisdn_lhv = res[xlen:][:12] # Parse the length (in bytes) of BCD encoded number # FIXME: it seems the length of ToN/NPI is also included bcd_len = int(msisdn_lhv[0]) if bcd_len > 11: # "This means that the maximum value is 11" raise ValueError("EF-MSISDN contains odd BCD length") # Parse ToN / NPI ton = (int(msisdn_lhv[1]) >> 4) & 0x07 npi = int(msisdn_lhv[1]) & 0x0f bcd_len -= 1 # Parse MSISDN msisdn = swap_nibbles(msisdn_lhv[2:][:bcd_len]).rstrip('f') I did not test this code though... -- To view, visit https://gerrit.osmocom.org/c/pysim/+/16947 To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: pysim Gerrit-Branch: master Gerrit-Change-Id: Ie914ae83d787e3f1a90f9f305bffd45053b8c863 Gerrit-Change-Number: 16947 Gerrit-PatchSet: 6 Gerrit-Owner: herlesupreeth <herlesupreeth at gmail.com> Gerrit-Assignee: dexter <pmaier at sysmocom.de> Gerrit-Reviewer: Jenkins Builder Gerrit-Reviewer: fixeria <axilirator at gmail.com> Gerrit-Reviewer: herlesupreeth <herlesupreeth at gmail.com> Gerrit-Reviewer: laforge <laforge at osmocom.org> Gerrit-CC: dexter <pmaier at sysmocom.de> Gerrit-Comment-Date: Wed, 22 Jan 2020 15:48:01 +0000 Gerrit-HasComments: No Gerrit-Has-Labels: No Gerrit-MessageType: comment -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/gerrit-log/attachments/20200122/f23dfecb/attachment.htm>