- Multi-link 4 Port line sharing device - Automatically screens and routes all voice, fax, and modem calls to the right equipment - Allows up to 4 voice/data devices to share a single phone line - Compatible with virtually all phone/phone systems, fax machines/PC faxcards, internal/external modems and TDD phones - "Barge-In" protection - Factory-direct support& programming - The default factory programming(single ring) can be reprogrammed to 2 rings to accommodate Caller ID - Saves the average user $600 a year by removing only one phone line (multiple locations and lines really add up) - Auto fax detection (screens each call for CNG fax tones, pulse and touch tones, and routes the call automatically) - Programmable security access codes - Quality "ring back" tone - Non-volatile memory (saves programming in a power outage) - Maintains regular phone service in a power outage - Call override (overrides the Stick, can grab an inbound call from any extension) - Red LED status light - White