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PX24 serisi santrallar


Pure IP santrallar


Stillink sinyal çeviriciler, SIP-E1 Gateway


Yardımcı programlar, diğer


Telefonlar


DECT Sistemler


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CCBS

ISDN supplementary service. Call completion to busy subscriber (meşgul aboneyi geri arama)

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Page last modified on February 21, 2012, at 02:49 AM