X-Nico

2 unusual facts about GSM 03.48


GSM 03.48

Application messages are commands or data exchanged between an application resident in or behind the GSM PLMN and on the SIM.

Secured Packets contain application messages to which certain mechanisms according to GSM 03.48 have been applied.


GSM 03.40

Some ASCII characters and the Euro sign did not fit into the GSM 7 bit default alphabet and must be encoded using two septets.


see also