5. Communicating Within Your Office74 DBS 576 issued March 2001 576-40-7502. Enter the send text message number (1-9, 0). ( See Table 6 on page 72 forthe send text messages.)1. Press the MSG key.2. Enter the reply text message number (1-9, 0). ( See Table 7 on page 73for the text message replies.)1. Do one of the following:USING MESSAGE WAITING/CALLBACKYou can leave a callback request message (or message waiting indication) for a busyextension or one that does not answer. After sending the callback message, you hangup the phone and wait for the call back. The called party’s message indicator lampthen flashes that a message has been received.When the message indicator lamp flashes, it indicates either a callback messagefrom another extension or, if your system uses voice mail, a voice message. For acallback message, the display reflects the extension or name that sent the message.For a voice message, the display reflects that a new message has been received.If multiple messages have been received, the display reflects the number ofmessages and indicates the origin of the first message (i.e., the extension number orvoice mail).Note: On a large-display phone, you can use the MSG key to answer callbackrequests.To . . . Do . . .Answer a call a. After receiving an alert tone, replace the handset orpress the ON/OFF key to end the first call.b. Lift the handset or press the ON/OFF key again toconnect to the waiting call..Toggle between two calls (usingBroker’s Hold)a. After receiving an alert tone, press the HOLD key toput the first call on hold.b. Press the ON/OFF key to pick up the second call.To reply to a text messageTo answer a Camp-on (Call Waiting) signal