User guide

Enhanced phone functions
77
Step by Step
Sending a trunk flash
To activate ISDN-type services and features through the
network carrier’s analog trunks or those of other com-
munications platforms (such as "consultation hold"), you
must send a signal to the trunks before dialing the ser-
vice code or telephone number.
Prerequisite: You have set up an external connection.
v Open the Program/Service menu Æ page 41.
Select and confirm the option shown.
Select and confirm the option shown.
j Enter the service code and/or telephone number.
Calls g
Trunk flash