The selective call acceptance allows controlling incoming calls by making a list of telephone numbers which you are ready to accept. But incoming calls from subscribers that are not listed are directed to the answering machine by which the caller is informed that you do not accept calls at the moment.
Shannon Telecom is a telecommunication company rendering International long distance services to local and foreign companies and their employees operating in CIS countries. Our objective is to provide our corporate customers with cheap long distance servi
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