Wireless electronic transmission of voice calls, video calls, voicemail, messaging and contacts via synchronizing the phone number of a smartphone and the accompanying features with other devices, namely, personal computers, laptop computers, tablet computers, wearable computers, connected car and set top boxes in order to extend the smartphone's functions to the other device; Transmission and delivery of voice calls, video calls, voicemail, messaging and contacts via synchronizing the phone number of a smartphone and the accompanying features with other devices, namely, personal computers, laptop computers, tablet computers, wearable computers, connected car and set top boxes in order to extend the smartphone's functions to the other device; Telecommunications services, namely, synchronizing the phone number of a smartphone and the accompanying features such as voice calls, video calls, voicemail, messaging and contacts, with other devices, namely, personal computers, laptop computers, tablet computers, wearable computers, connected car and set top boxes in order to extend the smartphone's functions to the other device