Refer to the exhibit.
voice-card 0 no local-bypass ! 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 codec g711ulaw codec g711alaw codec g729ar8 codec g729br8 codec g729r8 maximum session 5 associate application SCCP no shutdown
You’re tasked with staging configuration changes to add conference bridge functionality to an existing IOS voice gateway deployment. What command is missing for the configuration to be accepted by the IOS CLI?

A.	The command maximum conference-participants must be configured under the dspfarm profile.
B.	The Enhanced IOS Conference Bridge is not configured in Cisco Unified Communications Manager.
C.	The command dsp services dspfarm must be configured under the voice-card configuration.
D.	The dspfarm command under the voice card is missing.
E.	The dsp tdm pooling command under the voice-card is missing.