SIP trunks can only be configured on Avaya Aura® Session Manager (SM).

SIP user Agents register with Avaya Aura® Session Manager (SM).

SIP User Agents can register to Avaya Aura® Communication Manager (CM) or Avaya Aura® Session Manager (SM).

Avaya Aura® Media Server (AAMS) cannot connect to Avaya Aura® Communication Manager (CM) without routing via Avaya Aura® Session Manager (SM).

Avaya Aura® Media Server (AAMS) connects directly to Avaya Aura® Communication Manager (CM) using SIP.