Hi, I have two PBX and CEoIP between them. PBX2 cannot get a clock from the PBX1. Configuration: PBX1 -E1- R1 -IP- R2 -E1- PBX2 R1: controller E1 1/0 cem-group 0 timeslots 1-31 cem 1/0/0 xconnect 10.65.152.2 0 encapsulation udp local ip addr 10.65.141.2 local udp port 15901 remote udp port 15902 R2: controller E1 1/0 cem-group 0 timeslots 1-31 clock source adaptive 0 cem 1/0/0 xconnect 10.65.141.2 0 encapsulation udp local ip addr 10.65.152.2 local udp port 15902 remote udp port 15901 Please help!! Tnx Vlaho