ISDN call hold
Glossary



The ISDN Call Hold feature is only available on the multi-device terminal.

You can have your external call held by the ISDN exchange in order to consult a second external party on the same dial-up line, even if no additional dial-up line is free. You can then switch back to the first call.

You can also broker between the two calls or initiate a conference call in the exchange.






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