To enable Office Communications Server 2007 R2 users with Active Directory Domain Services (AD DS) credentials in your organization to join a dial-in conference as authenticated users, configure personal identification number (PIN) settings for Conferencing Attendant.
Configure PIN settings
Click Start, point to All Programs, point to Administrative Tools, and then click Office Communications Server 2007 R2.
In the console tree, expand the forest node.
Do one of the following:
Standard Edition Servers.
- Expand Enterprise pools.
Right-click the name of the pool for which you want to configure user PIN settings, click Properties, and then click Front End Properties.
Click the PSTN Conferencingtab, and then do the following:
Min. personal PIN length (3-24), and then type the minimum
number of numeric digits that user must specify when creating a PIN
for dial-in conferencing.
Total number of retries, and then type the maximum number of
times that a user can enter the wrong PIN before dial-in
conferencing is disabled for the user account.
- Click Min. personal PIN length (3-24), and then type the minimum number of numeric digits that user must specify when creating a PIN for dial-in conferencing.
Select the Enable PIN expirationcheck box, click the PIN expires after (days)box, and then type the number of days that a PIN is valid.