When the modem is turned on or reset by command ATZ, the ACA is first loaded with the FDP, and then is overwritten by the major SCP. The commands you issue to the modem actually change the contents of the ACA. However, once the modem is turned off, all the settings in the ACA vanish.
To save the current ACA configuration to a SCP for further use, issue command &W followed with the number of the SCP. For example, issue &W1 saves the current configuration to SCP1.
The next time you want to use the same configuration, just issue AT&1 to load the ACA with the SCP1 previously saved.
Issuing &V0 command displays the current configuration profile, the stored configuration profiles, as well as the current speed, data format, parity and protocol.
2.14 Stored Telephone Numbers (STN)
The STN are the digits retained in the modem NVRAM and used for speed dialing. You may use it to save frequently used telephone numbers, passwords, or credit card numbers.
To store a telephone number as an STN, use &Z followed by the STN number, the"=" sign, and the telephone number. For example,
Note that only digits can be stored in STN. Other characters or symbols are discarded.
To view the STN, issue command &V1. To dial an STN, issue S=n, where n denotes the nth STN. For the example above, issuing ATDS=2 instructs the modem to dial
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