Patent ID: 8639821
Filing Date: 2014-01-28
Classification: H04L

Abstract:
1. A method, comprising: attempting to initiate a session where a communication session is not already in progress by transmitting one or more messages to a device associated with a first user; starting a first SIP timer upon transmitting the one or more messages and stopping the first timer upon receiving a return message, wherein the first timer is configured to expire if the return message is not received after a first predetermined time period and wherein the return message is an acknowledgement message of reception of the one or more messages; starting a second SIP timer upon transmitting the one or more messages, wherein the second timer is configured to expire after a second predetermined time period; transmitting one or more overflow instructions upon expiration of at least one of the first timer and the second timer, wherein the expiration of the at least one of the first timer and the second timer indicates an overflow action is necessary because a session has not been initiated; and taking one or more overflow actions based at least in part on the one or more overflow instructions, wherein the one or more actions comprises at least one of playing a pre-recorded message and redirecting the session to a second user.