User manual ACER V.90

[. . . ] It has worldwide homologation support which allows you to instantly configure the modem for telephone lines, so you don't have to pay additional, up-front, monthly costs for special lines. Auto-dial, call progress monitor Ring, line break detection Low Power consumption ITU standard V. 92 software upgradeability Worldwide homologation support Software support Note: Execute this program to match the country you are currently in for the modem to function properly. [. . . ] Problem Modem experiences errors while on-line with a remote modem. 2 Make sure to use Xon/Xoff software flow control A summary of the commands implemented by the modem are shown in the following table labeled "AT Command Set Summary". Commands may be executed when the modem is in COMMAND mode. COMMAND mode is entered upon one of the following conditions: · After power up At the termination of a connection After the execution of a command other than dial or answer commands (ATO or AT&T) Upon the receipt of the ESCAPE SEQUENCE (three consecutive characters matching the contents of S register 2) while in online mode Upon the on-to-off transition of DTR if D1, &D2, or &D3 has been set Command A/ Description Re-execute command Command &Dn Description Data terminal ready (DTR) option Restore default configuration Select guard tone Data set ready (DSR) option Display current configuration Store current configuration Select default reset profile Store telephone number Auto fallback/ fallforward control Select maximum MNP block size Command +FCLASS=n Function Set service class Command +FTH=98 Function V. The valid range is 0 to 14 inclusive, 0 means that the modem will choose the maximal rate possible. 0 means that the modem will choose the rate. the preferred control channel data rate in multiples of 1200 bps. The valid values are 0, 1, and 2, 0 means that the modem will choose the rate. Register S0 Default 0 Description Number of rings to autoanswer Ring counter Escape character Carriage return character Line feed character Backspace character Wait time for dial tone Wait time for carrier Pause time for dial delay modifier Reserved Reserved 95 DTMF tone duration 50-255/. Escape guard time General bit-mapped options status Sync underrun fill character V. Description General bit-mapped options status General bit-mapped options status Flash Dial Modifier Time Inactivity Timer General bit-mapped options status XON character XOFF character Unused LAPM failure control Line connection speed V. 42 negotiation control Link layer capabilities General bit-mapped options Blind dialing delay PSTN transmit attenuation level FAX transmit attenuation level DTMF transmit attenuation level DTMF transmit attenuation level for high DTMF group Sent upon connecting when the line speed is 300 bps and the modem has been instructed to report the line speed upon connecting, or when the range of result code responses is restricted by the X command such that no speed reporting is allowed. incoming ring is detected on the line as per the interface description. When attempting to establish a call, no ringback is detected within the period of time determined by register S7, it is also used when the modem auto-disconnects due to loss of carrier. Under X0, if busy to detection is enforced, this result code is used as a response to the detection of busy or reorder. Under X0, if dial tone detection is enforced or selected, this result code is used to indicate that a dial tone has not been detected. [. . . ] But, if advance notice is not practical, you will be notified as soon as possible. You will also be informed of your right to file a complaint with the FCC. Your telephone company may make changes in its facilities, equipment, operations, or procedures that could affect the proper functioning of your equipment. [. . . ]