Comdial Impact SCS 8324S-FB Black LCD Speakerphone. The Comdial Impact 8324S SCS phone is a 24 line speaker phone with a display. The 8324S phone features One-button transfer, One-button access to key employees or contacts, Customized feature buttons and Interactive LCD prompts . The 8324S phone works on the Comdial Impact SCS Phone system. Watch productivity increase with this easy-to-use speakerphone. You can program your telephone, handle calls, listen to messages, all without lifting the handset.