Tutorial, digital private branch exchanges (PBXs)

Tutorial, digital private branch exchanges (PBXs)

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Three basic station instruments are offered, including five-, 10-, and 34-button models. All stations ... Each Merlin telephone instrument includes a speaker but no microphone. ... The Merlin offers a high quality of voice, especially in multiparty conference calls. Every party is clearly audible, even in six-way conference calls. ... While the switch architecture has remained basically the same except for the recent Meridian data bus enhancement, Northern continues to reduce the electricalanbsp;...

Title:Tutorial, digital private branch exchanges (PBXs)
Author:Edwin R. Coover
Publisher:IEEE Computer Society - 1989


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