Avaya Merlin Magix 400 E&M Tie Line Module (Refurbished)The Avaya Merlin Magix 400 E&M Tie Line Module eliminates toll expenses and adds a true Private Branch Exchange (PBX) feature tie line support. Connect your Merlin Magix System to a remote PBX or another Merlin Legend Magix System, allowing all calls between systems to be handled as internal calls. Supports up to 4 tie lines. Key Features: Connects four 4 Wire E&M Tie Lines Eliminates toll expenses by connecting your Merlin Magix System to a remote