AT&T scores $150M deal with Marriott for VOIP, broadband and LTE backup
… broadband services for Marriott guests, VOIP calling, cloud services and LTE … 's voice services to VOIP so that the firm… VoIP (Voice over Internet Protocol) News
… broadband services for Marriott guests, VOIP calling, cloud services and LTE … 's voice services to VOIP so that the firm… VoIP (Voice over Internet Protocol) News
