ZyXEL Omni 288S User Guide - Page 27
Dialing and Answering Techniques
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Chapter 3 - Basic Modem Operation Bits per second: Data bits: Parity: Stop bits: Flow Control: 57600 8 None 1 Hardware Click "OK" when finished. After you have done this, save your new connection by selecting "Save" from the "File" menu and click "OK." A new connection icon will be added to your Hyper Terminal folder. You are now ready to start entering AT commands. In the terminal window, type: AT Omni 288S responds OK This confirms that the modem and your computer are communicating correctly. To test the telephone line connection issue the manual answer command. Type: ATA The Omni 288S will pick up the phone line, and try to communicate. Normally, this command is only used to answer an incoming call made from another modem. Thus the high pitched noise you will hear from the speaker. To abort the operation, press any key, or select "Disconnect" from the "Call" menu. Dialing and Answering Techniques Depending on what communications software you use to make modem connections, you may not have as much control of how the modem dials the telephone number. This section shows some useful examples of the AT commands used for dialing and answering operations. The command characters specific to each function are shown in bold type. Dialing using the ATD Command Touch Tone Dialing: ATDT 555 1212 Pulse Dialing: ATDP 555 1212 Tone and Pulse Dialing: ATDP 555 1212 WT 24 Dialing Through a PBX: ATDT 9 W 555 1212 Note: The 'W' in the dial string will cause the modem to wait for a second dial tone before it continues to dial. 3-2