Which of the following is/are in advanced stages of testing Voice over – McqOptions

MCQOPTIONS

1.	Which of the following is/are in advanced stages of testing Voice over WiFi (VoWiFi) services.
A.	Bharti Airtel
B.	Vodafone
C.	Reliance Jio Infocomm
D.	Both 1 and 3
E.	Both 1 and 2
Answer» E. Both 1 and 2

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