tree d017530fe56ffe2f25fad732818e77171ebb03f9
parent fcf7811bc0db1eeef42ccba508f7e843feec8689
author Oliver Smith <osmith@sysmocom.de> 1588923731 +0200
committer Oliver Smith <osmith@sysmocom.de> 1588923891 +0200

spec: replace should with must

Make it clear that statements like 'the operator should make sure that the
next pseudonymous IMSI SMS cannot be read or modified by third parties'
are not recommendations, but requirements for this specification to
work.