Skill groups are the queues

Attach BillingCreateAdd a skill group namedBilling.AdminMembersAdd agents who shouldtake those calls.AdminOutboundOpen the Skills tab.CampaignInboundOpen Outbound Skillsinstead.CampaignRunA running inboundcampaign can now queue.CampaignVoicemailSkill groups can alsotake voicemail.Admin

The tab name is easy to misread.

Sources and go deeper