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A2ZGlobalcall United States

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General office

A2ZGlobalcall
1075 Brittany Road
Lake Zurich
IL ,60047
United States

Phone: +1 312 925 7229
Site: http://www.a2zglobalcall.com
  • International VoIP Wholesale Provider
  • Internet Telephony Service Provider
  • Hardware
  • Phone To Phone
  • Web Call
  • PC to Phone
  • IP devices
  • H.323 VoIP Gateway
  • SIP VoIP Gateway
  • Cisco Systems
  • Java Based own system
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Global Technology & Communications Systems USA
Providers in database: 6433
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Classes of ServiceThe system of Classes of Service (COS) helps defining rights for one or another extension in the PBX or Centrex systems. For example, few groups require more space for storing voice messages, while other need the redirection of calls to cell phones, the third does not have to make calls outside of the office network. With the help of this system one can change and configure settings.

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