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Some fax commands can only be used during connection to a remote
facsimile and return ERROR otherwise. Most fax commands return ERROR
when the appropriate Fax Class is not selected beforehand. +FCLASS Capabilities Identification and Control Description: Sets the service class.
Set command: +FCLASS=
E-mail:
info@telesys.ru
Options:
0 Data modem.
1 Service Class 1 fax modem.
2 Service Class 2 fax modem.
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