Making External Calls 36 FlexSet 120S/280S User Guide
External: Upon Hearing Ringback Tone
[StopDl] Stop Dialing is not used during ringback. Press this button before you hear ringback tone, in order for
the system to know when dialing out has been completed.
In response the system sends your call
immediately towards the destination without waiting inter-digit time out.
[OCC] OCC is used for users with pulse trunks and/or for when your FlexSet is defined with Auto Transfer.
This feature enables you to send touch-tone dialing (DTMF tones) over a trunk for applications or
services (such as Voice Mail) requiring DTMF tones.
1. During an external call, press [OCC].
2. Dial the required digits.
[Series] Not used during ringback.
[CampOn] Camp On, also known as Call Back. When a network station does not answer, you may request that the
system automatically call you back when the required destination number is available. (page 74)