3-Way Calling
This is a conference which can be initiated from every VoIP telephone. The service is fully administered with the help of a telephone set.
This service can be very convenient for people who run small or big business, especially if offices are located in different cities or countries.
Aastra 6739i SIP VoIP phone is a high-performance desktop phone with a touch screen and provides high-quality corporate communications with advanced features such as Bluetooth and Gigabit Ethernet.
Lingo (Primus)
Lingo is one of the most affordable U.S. Internet phone services. Lingo offers unlimited local and long distance calls anywhere in the U.S., to Canada, and to Western Europe, plus over 25 calling features
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