How would you create a second SIP Trunk between SM and CM, when you already have an existing SIP trunk between these two entities for regular traffic?

you are creating an OPTION trunk between Avaya Aura® Session manager (SM) and Avaya Aura® Communication Manager (CM) to separate the SIP traffic for your Advanced SIP Telephone (AST) users.

How would you create a second SIP Trunk between SM and CM, when you already have an existing SIP trunk between these two entities for regular traffic?
A . A second link should not be created as OPTIM traffic must be sent down the existing SIP link.
B . Assign secondary IP addresses for both SM and CM to create a second SIP link between.
C . Create an additional SIP Entity, SIP Entity Link and CM Signaling/Trunk Group using an alternate TLS port (such as 5062).
D . Specify a new Entity Link on the existing CM SIP Entity but using UDP instead of TLS as the Transport Protocol.

Answer: C