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Voice over IP

Cisco VoIP phone

VoIP Managed Service

DC-Net provides Voice over IP (VoIP) managed services based on industry-leading Cisco Systems for government customers. A key part of a unified communications solution, VoIP enables government users to access unified communications and other rich applications including unified messaging and soft client video conferencing.. DC-Net will deploy a solution based on customer needs and infrastructure.

VoIP allows telephone calls to be made over computer networks like the Internet. It converts analog voice signals into digital data packets and supports real-time, two-way transmission of conversations using Internet Protocol (IP). DC-Net uses Multiprotocol Label Switching (MPLS) to route VoIP calls across its network.


Basic Features

The following end user phone features are included in the VoIP service:

  • Extension to Extension Dialing—7 or 10 Digit Extension
  • Caller ID
  • Call Forwarding
  • Call Forwarding Always
  • Call Forwarding Busy
  • Call Forwarding No Answer
  • Call Logs
  • Call Transfer
  • Call Waiting
  • Calling Line ID Delivery and Blocking
  • Calling Name Retrieval
  • Do Not Disturb
  • E911 Service
  • Last Number Redial
  • Shared Call Appearance
  • Simultaneous Ring
  • Three Way Calling/Conference
  • On-Net Call (internal calls)
  • Local Calls (DC Metro Area)
  • Domestic Long Distance (US States only)
  • Voicemail (if selected)
  • Troubleshooting support
Advanced Features

The following features are supported but additional charges will apply:

  • Call Tree/Call Menu
  • Customized Greetings including After Hours and Holiday messages
  • Customized Internal Directory Listing
  • Customized extension dialing—(e.g. 4-digit)
  • Internal Intercom
Contact TTY: