Section 700 - Operation Chapter 4. Key Telephone FeaturesDBS-2.3/9.2-700 DBS Manual - Revised April 2000 4-29extension after Transfer Recall Timer expires. The other extension’snumber and the number of the transferred CO line or extension then appearon your display and the call is returned to your extension.(For example, if you transfer an outside call on line 1 to extension 135 andthat extension is busy or does not answer, the call will return to yourextension and “Recall 135 #01” will appear on the display.)Call Waiting(All Versions)DescriptionYou can send a Call Waiting signal, followed by a brief LED message, to abusy extension. The party receiving the message need only replace thehandset and then pick it up again to be automatically connected to themessage sender’s extension.The following messages can be sent using the Call Waiting feature:Table 4-4. Call Waiting Text MessagesMessage codes 0-4 are not available.With CPC-AII and CPC-B Version 4.0 or higher, users can also respond tocall waiting by sending a text message. See “Call Waiting/OHVA TextReply” on page 4-32.OperationTo set Call Waiting:1. Press the ON/OFF key.2. Dial the extension number.The phone issues busy tone.MessageCodeMessage5 “Visitor Here”6 “Need Help”7 “Important”8 “Urgent”9 “Emergency”