Set the length of the PIN for dial-in meetings

When you are setting up dial-in conferencing in Skype for Business Online, you will receive phone numbers and what is called a dial-in or audio conferencing bridge. A conferencing bridge can contain one or more phone numbers. The phone number you set will be included on the meeting invite.

The dial-in conferencing or audio conferencing bridge answers a call for a user that is dialing into a meeting using a phone. It answers the caller with voice prompts from a system auto attendant and then depending on your settings can play notifications and ask callers to record their name. Skype for Business Online Microsoft bridge settings allows you to change the settings for meeting notifications and the meeting join experience, and set the length of the PINs that are used by meeting organizers. Meeting organizers use PINs to start meetings.

Setting the PIN length

Set the PIN length for meeting organizers
  1. Sign in to Office 365 with your work or school account.

  2. Go to the Office 365 admin center > Skype for Business.

  3. In the Skype for Business admin center, in the left navigation go to Dial-in conferencing > Microsoft bridge settings.

  4. Under Security > PIN length > enter the number of digits you want for the PIN and then click Save.

Note: A PIN is different from a conference ID. Conference IDs are used by callers when they join the meeting. They are used to identify the meeting. The PIN is used to authenticate a caller as the meeting organizer.

Want to know more about PIN settings?

  • PINs can be from 4 to 12 digits - the default is 5. Numbers are only used when creating PINs. Letters and special characters aren't used.

  • A PIN is only required for the meeting organizer when a Skype for Business client user hasn't already started the meeting. If everyone is dialing in to the meeting, then the PIN is required for the meeting organizer to start the meeting.

  • PIN security settings are applied to all of the phone numbers that are associated with a Microsoft bridge. They will be applied to all meetings that use the phone numbers associated with a given bridge.

Want to know how to manage with Windows PowerShell?

See Also

Dial-in conferencing in Office 365

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