Hosted VoIP
This is a method of providing a phone service to people over the Internet. This type of service moves the traditional phone switch off site and allows more than one company to use a particular switch.
Anonymous call rejection – this is a function that blocks the incoming calls of subscribers with indefinite telephone number.
Citel Technologies
Citel PBXgateways are installed at the central PBX location, and EXTenders are deployed at branch offices, call centers, or at home offices over managed IP connections, DSL, cable, or analog circuits
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