if i am not wrong, its already configured in the router.
no logging event link-status
isdn switch-type primary-qsig
isdn overlap-receiving T302 7500
isdn incoming-voice voice
please let me know if it is wrong. thanks
Did u try configuring Clock on router?
Can u cross-check the parameters one by one u have configured on router with EPABX guy since after u change network on your side EPABX needs to be on Slave ?