Allows users tracking the condition of the other telephone or the subscriber, for example, there will appear a signal on the screen of the telephone device informing that the subscriber is on the line and is temporarily unavailable.
Globalstar Telecom and Technology FZ LLC
Globvoice Communication features a complete line of VoIP solutions and products enabling its customers and subscribers to take great advantages of the cost savings and smart communication ways offered by the VoIP industry. As a Tier Two Carrier, Globvoice
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