Patent ID: 8774872

Claim:
A method implemented by a communication network node for providing a ring signal to a called party terminal, the ring signal alerting a called party associated with the called party terminal about a call from a calling party associated with a calling party terminal, the method comprising: receiving an indication of an attempt for the call; in response to the received indication, sending a request for a ring signal to a service node of a calling party ring signal service; receiving information that the service node is ready to send the ring signal; deferring initiation of an access to the called party terminal until after reception of the information that the service node is ready to send the ring signal; after access to the called party is initiated, sending an indication requesting the service node to immediately send the ring signal; and immediately after the reception of the ring signal from the service node, sending the ring signal specified by the calling party at the service node of the calling party ring signal service to the called party terminal for alerting the called party regarding the call from the calling party.