# Conference bridge

The conference organiser prepares, via a Self Service Portal, a conference room and e-mails an invitation to this conference, indicating the topic, date and time, internal and/or external dial-in number and conference PIN.

The conference participants choose, at a predefined time, the internal or external dial-in number and are connected with the conference. An audio guide assists the conference participants during the dial-in.

Table 1. Conference bridge
Parameter | Description
Internal dial-in number displayed in the Self Service Portal | Enter here the internal call numbers via which internal users can reach the conference bridge (default value: 896). This call number is displayed by users in the Self Service Portal and included in the e-mail which can be sent to the conference participants.
External dial-in number displayed in the Self Service Portal | Enter here the external call numbers via which external users can reach the conference bridge. This call number is displayed by users in the Self Service Portal and included in the e-mail which can be sent to the conference participants. Note: This call number must be created as DDI number for which the Conference bridge option is activated.
Conference bridge internally accessible via | All call numbers via which internal users can reach the conference bridge are listed here.

notes:

- The conference rooms remain saved until they are deleted again via Self Service Portal or WebAdmin (system assistant authorization level).
- An active conference remains active as long as at least one participant is in the conference room. This is an important difference compared to the other conferences described in the next sections.
- It is not possible to dial in to a conference room from an enquiry call.

Parent topic: Conference
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