Telephone - Voice Over Internet Protocol (VoIP) Basics


Overview

Internal Calls

  • All phones are programmed as 5-digit numbers.
  • Dial last 5 digits of number to reach any phone in NCRC.
  • Alternatively, you can dial full 10 digits and reach any phone at NCRC

External Calls

  • Access code is 9-7
  • To dial an outside long-distance number, dial 9-7+1+XXX-XXX-XXXX
  • To dial an outside local number dial 9+7+XXX-XXXX
  • Outbound Caller ID will show 734-232-0000 = UM Hospital

External Calls to main Medical Campus

  • Dial the same as an external call.
  • Call will remain "on-net" and will complete via VoIP.
  • Ex. 9-7-1-734-936-4000 will complete internally over VoIP.
  • You will send/receive proper Caller ID information.

Emergency Access

  • Dial 9-1-1, 9-7-9-1-1, or 9-9-1-1
  • Calls will route to local Police/Fire

Voicemail

  • Mailboxes are built as 5-digit numbers.
  • To access voicemail from your phone
    • Press the envelope key. This will take you right to entering your password.
  • To access voicemail from an external phone:
    • Dial 734-998-2400.
      • When prompted for "ID", enter your 5 digit phone number; e.g., 12345#
      • When prompted for "Password", enter your password.