1. You mentioned that if connect 1 IP phone to VMG1302 and it can register successfully, but if connect 4 IP phone the result was failed. May we know if the customer able to capture 1 IP phone(success case) and 4 IP phone(failed case) for our comparing?? And may we know the 4 IP phone was connected one by one or together in the same time?? We suspect that if connected the 4 IP phone simultaneously will cause some problems.
2. It seems the packets trace of VMG1302's from WAN side is not completely, we still need you help for capturing packets again by following topology: