The handling of incoming and outgoing phone calls. The incoming calls
are those which you receive from your clients. The outgoing ones – calls to
your clients, suppliers and other contacts. The very service is provided by
special companies, most often by telemarketing call service centres.
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