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.
Stallion Data Inc.
Stallion Data a leading IT and Telecommunications company, was created in 1994. Stallion Data is dedicated to helping our clients plan, design, implement, and operate the network infrastructure required to support mission-critical business applications. O
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