International Journal of Engineering and Science Invention (IJESI)
The LTE (Long Term Evolution) network transmission issue of telephone traffic is of particular importance. LTE standard is designed for the transmission of packet traffic, so it does not implement the service circuit-switched telephony. But namely voice traffic gives to mobile operators the most of income. In this paper, proposed comparative analysis of solutions of voice in LTE. Due to the growing interest in mobile broadband Internet access, mobile network operators and manufacturers of equipment's came to the conclusion that it is time to develop a next-generation technology to meet the needs of users.