Refer to the exhibit.
hostname HQ ! card type e1 0 0 ! network-clock-participate wic 0 ! isdn switch-type primary-net5 ! voice-card 0 ! sccp local GigabitEthernet0/0.110 sccp ccm 10.1.5.10 identifier 1 version 7.0 sccp ! sccp ccm group 1 associate ccm 1 priority 1 associate profile 1 register HQ_Conf ! dspfarm profile 1 conference maximum conference-participants 0 shutdown
HQ(config-dspfarm-profile)#maximum sessions 5 ^ % Invalid input detected at '^' marker.
HQ(config-dspfarm-profile)#maximum sessions ? <0-0> Number of sessions assigned to this profile
When the user tried to configure the command maximum sessions 5 under the dspfarm profile 1, the error shown in the exhibit was reported. Which course of action will resolve this issue?

A.	The maximum conference-participants value must be configured >0.
B.	Ensure that the conference bridge is not registered in Cisco Unified Communications Manager.
C.	The command dsp services dspfarm must be configured under the voice-card configuration.
D.	Configure the dspfarm all command under the voice card.