Used for PBX integration. This page sets up dial strings to be used to instruct the PBX or telephone system to perform operations like transferring a call or putting a call on hold. The defaults supplied work with many telephone systems that have these capabilities. If you experience difficulties, experiment by dialling from an analog phone to find out which strings work for your system, and change the settings in this page to match.
See [PBX].
These strings are used by the dial control when performing transfer operations. See Dial Control.
These strings are used by the Dial control. Duration (in milliseconds) of the time for a pause character (comma) and the hookflash character (exclamation mark).