TC35i: Migration from TC35 to TC35i
PRELIMINARY
TC35_TC35i_MIG_01_V01.01 29.1.2003 Page 22 of 34
5 AT-Commands migration
TC35i was intended as a "feature-superset" successor to TC35.
AT Cellular command structure for TC35i corresponds to that of TC35 with the added
improvements and new features.
Available commands for both TC35i and TC35 are listed and classified according to their
implementation within each of the modules. The entire command set of TC35 is supported by
TC35i. Differences in test, query and execution syntax as well as in available parameters are
noted for each command. Commands are classified in three main groups:
æ jointly supported commands
æ commands new with respect to TC35 and
æ TC35 commands not supported by TC35i
5.1 General comments
TC35i feature highlights
The commands below are either newly introduced or improvements based on the
implementations present with other modules, e.g. M20, AC43/45, MC35.
æ AT+ICF, AT+IFC - TC35i re-introduces these commands that were present in M20 but not in
TC35 - character framing and flow control commands:
æ AT%D - Command also previously available in M20 - automatic dialling by DTR toggle was not
supported by TC35
æ ATS0 now applies to incoming voice calls as well
æ AT+CMER, AT+CIND: mobile event reporting commands
æ AT^SRTC – incoming SMS ring indication
æ AT+CPBS - Extended ME phonebook up to 250 entries
æ AT&W – user profile extended - new commands added: AT+ICF, AT+IFC, AT\Qn, AT%D
æ AT+CMMS – keeps the data channel open for much faster throughput of SMS-SUBMIT
messages
æ AT+CNMA is no longer required for SMS-DELIVER messages delivered directly to TE
æ AT^SSR - issues URCs related to availability of the SIM card
æ AT+CCUG – closed user group now available
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