BSNL’s VoIP based calling service was launched in the mid of 2018 and in the previous article…
BSNL launched the first VoIP service in the country last year. But the service was not going…
BSNL Wings was launched in 2018 and was first in the Indian telecom sector. This service allows…
SIP accounts and SIP applications are being used by the users all over the world to make…