While network operators are progressively adopting cloud architectures and fully IP-based virtualized network functions, many residential and business wireline voice services remain anchored in the physical domain. The presence of numerous plain old telephone service (POTS) lines and time division multiplexing (TDM) trunks necessitates the use of transitional network elements like media gateways, which continue to play a vital role in many communications service providers' infrastructure.
While network operators are progressively adopting cloud architectures and fully IP-based virtualized network functions, many residential and business wireline voice services remain anchored in the physical domain. The presence of numerous plain old telephone service (POTS) lines and time division multiplexing (TDM) trunks necessitates the use of transitional network elements like media gateways, which continue to play a vital role in many communications service providers' infrastructure.
