When creating an Avaya IP Office™ solution spanning over multiple sites, which type of trunk...

When creating an Avaya IP Office™ solution spanning multiple sites, the Avaya IP Office™ Line (SCN) trunk type is used to interconnect the sites. The SCN (Small Community Network) trunk allows multiple IP Office systems to communicate with each other, enabling features like call routing between sites, shared directory access, and centralized voicemail.