Use of agency features and functions with the IP-based connection

IP-based telephone connections provide various agency features that are similar to ISDN connections, in this case an example of "Deutschland LAN IP Voice&Data" from Deutsche Telekom.

A list of all possible functions can be found at https://hilfe.telekom.de/hsp/cms/content/HSP/de/3378/FAQ/theme-133631783/Auftrag/theme-82239611/IP-basierter-Anschluss/faq-445419652

Immediate call forwarding (AWS-sofort) is used as an example in the following explanations: