/mcpExternal Call Control Restrictions Table 74: External Call Control Restrictions Description Restriction The chaperone cannot use the phone to add parties to a conference after the conference begins, because the call must be put on hold for the chaperone to add parties. The other parties on the conference may add additional parties to the conference. The configuration for the Advanced Ad Hoc Conference Enabled service parameter, which supports the Cisco CallManager service, determines whether other parties can add participants to the conference. If the service parameter is set to True, other parties can add participants to the conference. Adding Parties The chaperone cannot use the phone to transfer the conference call to another party. Call Transfer When the chaperone leaves the conference, the entire conference ends. Conference Log Out After the chaperone creates a conference, the Conference softkey, if available, is disabled on the phone. Conference Softkey The chaperone cannot use the phone to put the conference call on hold. Hold If the chaperone starts recording before the feature makes a consultative call to the party that will join the conference, Unified Communications Manager suspends recording while the chaperone makes the consultative call; recording resumes after the conference is established. Recording Feature Configuration Guide for Cisco Unified Communications Manager, Release 15 and SUs 736 Advanced Call Processing External Call Control Restrictions