Call Transfer (CT)—by ISDN
Description
An ISDN call can be transferred to an outside party using the ISDN service of the telephone
company, instead of the PBX feature, without occupying a second ISDN line.
This feature can be used only when the network supports the "explicit linkage" option.
This feature complies with the following European Telecommunication Standard (ETS)
specifications: ETS 300 369 Explicit Call Transfer (ECT) supplementary service.
Conditions
•
The availability of this feature is dependent on the contract with the telephone company.
•
This feature can be enabled or disabled on an ISDN port basis.
•
Call Transfer with Announcement and Call Transfer without Announcement is possible.
•
The call charges after completing this feature will not be recorded by the PBX.
1.18 Integrated Services Digital Network (ISDN) Service Features
Feature Guide
171