A communication control system and method provides communication over the Internet between a first user having a first communication device, such as IP phone or computer, and a second user having a second communication device. The communication control system provides a plurality of user selectable communication options, such as voice communication, chatting, e-mail and fax. The communication control system interfacing with the second communication device to determine whether the second communication device is available to communicate using a first communication option, such as voice communication. The communication control system checking transmission delay of the communication network to determine whether an optimum communication may be achieved using the first communication option. If the first communication option is not feasible due to the transmission anomaly, a second communication option, such as chatting is selected.