• Phone System Offers
  • 6 User Digital System
  • 14 User Digital System
  • 20 User Digital System
  • 25 User IP System
  • 25 User UC System
  • 25 User CC System
  • 50 User IP System
  • 50 User UC System
  • 50 User CC System
    • Alcatel Phone System
    • Panasonic Phone System
    • Nortel Phone System
    • Avaya IP400 System
    • InDEX Phone System
    • Aastra Phone System
    • BT Meridian Phone System
    • BT Norstar Phone System
    • Siemens Phone System
    • Ericsson Phone System
  • Office Phone Systems
  • IP Office
  • ISDN Phone Systems
  • Previous Avaya Phone System Offers
    • 6 User Small Office Phone System Bundle
    • 10 User Digital Office Phone System Bundle
    • 10 User IP Office Phone System Bundle
    • 25 User Business Phone System Bundle
    • 50 User Business Phone System Bundle
    • 100 User Phone System Bundle
    • 200 User Phone System Bundle
• Phone Systems
  • Avaya Telephone Systems
    • Avaya IP Office IP 500
    • Avaya Communication Manager
    • Avaya Server Edition
  • Avaya Call Centres
  • Small Business Phone Systems
• Phone System Addons
  • IP Office Scopia Video Conferencing
  • Cytrack IP Office Contact and Call Centre
  • Xima IP Office Reporting
  • Rostrum Outbound Dialer for Avaya IP Office
  • Avaya IP Office CRM Integration
  • Avaya IP Office Call Management Software
  • Avaya IP Office Entryphone Systems
  • Avaya IP Office On Hold Music
  • Avaya IP Office Call Logging
  • Avaya IP Office Call Recording
  • Avaya IP Office WiFi & IP DECT
  • Avaya IP Office Voicemail Pro
  • Avaya IP Office Customer Call Reporter
  • Avaya IP Office Auto Attendant
• Telephones
  • Avaya IP Office Phones
  • Avaya Communication Manager Phones
• Headsets
  • Avaya IP Office Headsets
  • Avaya Communication Manager Headsets
• Connectivity
  • FTTC
  • ADSL2+
  • ADSL
  • SIP
  • ISDN30
  • ISDN2
  • ISDN
  • MPLS
  • SDSL
  • Leased lines
• IT Integration
  • CCTV Systems
  • IT Security
  • Disaster Recovery
  • Network Design
  • Managed Datacentres
  • Anti-Virus Services
  • Anti-Spam Services
• Phone System Support
• Case Studies

This is a system wide setting that prevents external calls being forwarded off switch as a precaution against toll fraud. This also prevents trunk to trunk transfers.

Avaya IP Office Phone System Features List

New! Have you seen our new Avaya IP Office Phone System site at http://officephonesystem.co.uk? Every IP Office Phone System feature has been updated there, and it also includes all the latest information about Avaya IP Office Release 9, out September 2013.