2N® NetStar CTI Documentation 4. CTI 4.4 Messages for registration of HOOKs Here is what you can find in this chapter: 4.4.1 CTI_CREATE_HOOK_REQ4.4.2 CTI_CREATE_HOOK_CONF4.4.3 CTI_DESTROY_HOOK_REQ4.4.4 CTI_DESTROY_HOOK_CONF