📞📶🔁🪶

#VCC #voice call continuity #telecom #handover #cellular network #wifi calling #mobile network

💳💻

#VCC #virtual credit card #online payment #secure transaction #fintech #temporary card number

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#VCC #visual c++ #VC++ #c plus plus #microsoft ide

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#circuito #esquemático #diagrama #fonte de alimentação #terra #gnd #VCC #diodo