CHAPTER 4: Operation

4.6 Placing an Outbound Call

You can place an outbound call from the PHONE port, unless another port is in use. If another port is in use, you will hear silence when you attempt to place a call. If the line is clear when the calling device goes off-hook, you receive a dial tone and can place the call normally.

During an outbound call, you can also receive a transmission from someone that is ready to transmit.

To route this transmission to your FAX/MODEM port, any time during a conversation, press # 9 9 from a tone phone, or 3 from a rotary/pulse dialing phone (rotary/pulse transfers are not possible until 20 seconds after dialing the last digit of the phone number).

Picking up an extension phone not connected to the TAD or PHONE port during a data or fax transmission may interrupt the call.

4.7 Receiving a Computer Call

Unlike a fax call, inbound computer calls do not produce any tones; they remain silent until another modem answers the call. Therefore, the caller must use tones from a tone-type device that produces tones (for example, a modem).

To receive a computer call to the FAX/MODEM port, instruct the caller to use one of the following methods. (In this example, we use a modem).

4.8Dialing the Destination (Receiving) Computer through the Originating (Calling) Computer

To have the calling modem automatically “over dial” the FAX/MODEM port access code and access the modem connected to the Line Share 120H, the caller must take into consideration whether the call is local or long distance.

For remote access to the FAX/MODEM port on the Line Share 120H, instruct the caller to use the following dialing string in the modem’s software:

ATDT (phone number),,,#99,#99,#99,#99

The calling modem picks up its phone line and dials the phone number. The comma (,) tells the modem to wait about two seconds and then repeatedly dial the access code.

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Black Box 120H manual Placing an Outbound Call, Receiving a Computer Call