channel (23 B and D). Diff-Serv Differentiated Services The Diff-Serv model divides traffic into a small number of classes to provide quality of service (QoS). PSTN Public Switched Telephone Network The worldwide voice telephone network. DNIS Dialed Number Identification Service A telephone function that sends the dialed telephone number to the answering service. SIP Session Initiation Protocol A protocol that provides telephony services similar to H.323, but is less complex and
Atkins dial up service provider, Atkins, IA up service provider dial Atkins
Atkins up service provider, dial Iowa, Atkins dial up service provider
