OWG Optimization Working Group This working group studies and proposes the optimization method in using a telecom network by carrying out diagnose to the existing system. The execution of optimization is carried out with the cooperation of local operators and vendors. ŽÂŽ By carrying out optimizing engineering project, the quality of the network improves drastically, and the knowhow is shared from individual operator is shared to other operators, which leads to the overall improvement of connected service that XGP vendors and operators can jointly provides.