Section 3: FeaturesProduct Description 1133- The VRS and play a VRS message to the caller.- A Department Group pilot number- A trunk Ring Group Route According to DID Translation Table or Separate ANI/DNIS Routing Tables ANI/DNIS Data Displayed as Caller ID Data Data Error and Unanswered Call HandlingIf a call can’t be completed, send it to a predetermined Ring Group or play supervisory tonesto the caller.Tandem Trunking (Unsupervised Conference)DescriptionTandem Trunking allows an extension user to join two or more outside callers in a trunk-to-trunkConference. The extension user can then drop out of the call, leaving the trunks in an UnsupervisedConference. The extension user that established the Conference is not part of the conversation. TheConference continues until either outside party hangs up. In addition, the extension user that set upthe Conference can end the tandem call at any time.The number of Conference calls is limited by the number of Conference circuits in the system. Due tothis fact, the maximum number of Conference calls cannot exceed the limits defined in the above table.Tandem Trunking could help an office manager, for example, put two outside sales people in touch.The office manager could: Answer a call from one salesperson Place a call to the second salesperson Set up the trunk-to-trunk Conference Drop out of the callThe office manager could terminate the Conference at any time.There are two methods for Enhanced Tandem Trunking: Method A - Set Up Without Transfer KeyAn extension user can set up Tandem Trunking (Unsupervised Conference) by using theCONF key. This option uses a uniquely programmed Transfer key to set up a tandem call. Method B - Tandem Trunking on Hang UpThis method allows an extension user to easily set up an Unsupervised Conference with a callthey have placed on Hold. It uses a uniquely programmed Transfer key to set up a tandem call.Aspire• NTCPU provides 2 blocks of 32 conference circuits, allowing each block to have any number of internal or external partiesconferenced up to the block’s limit of 32.