3377 Phone Cards, Inc. United States
General office
3377 Phone Cards, Inc.
P. O. Box 350268
Brooklyn
NY ,11235
United States
Phone: +1 718-743-3377
Contact Person
Leo Dess / President
Phone: +1 718-743-3377
3377 Phone Cards, Inc.
P. O. Box 350268
Brooklyn
NY ,11235
United States
Phone: +1 718-743-3377
Contact Person
Leo Dess / President
Phone: +1 718-743-3377
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The 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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