Allworx® Advanced Multi-Site Unify up to 100 locations, 1,000 users, and 2,000 extensions under one VoIP communication system. Global Access Cost Savings Disaster Recovery Global Access Across All Sites Extension dialing, call transfer, and call park across all sites Global directory Global voicemail Real-time user presence and status Shared auto attendants Cost Savings Elimination of inter-office long distance and local call charges Shared staffing (e.g. receptionists) across multiple sites Disaster Recovery CEasy re-routing of calls during a natural disaster or connectivity failure