EVS was designed from the ground up to work with packet-switched services such as VoLTE (Voice over LTE). Fraunhofer calls it Full-HD Voice. The EVS codec allows bit rates ranging from 5.9 Kbit/s to 128 Kbit/s, which allows phone service providers to optimize their networks as needed.
Congress has 535 voting members: 435 Representatives and 100 Senators. The members of the House of Representatives serve two-year terms representing the people of a single constituency, known as a district.
Congress is bicameral, or 2 housed. The Senate has 100 members (2 for every state) and the House of Representatives has 435 (based on populations of the state, but they all have at least one). Check these sites for specifics.... 2 senators per state and there is at least one congressman per state. That one depends on the population.