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ISDN

I have one cisco 1841 router in which is isdn is not working. Layer 1 Status:DEACTIVATED and getting **ERROR**: host_disconnect_ack: Call rejected cause No circuit/channel available(0x22) call id 0x800Ais st. PLs let me know this is ISP issue or IOS/ BRI card issue.

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Dear All

i have attached sh tech , sh isdn status and debug commands of the router.

your dialer interface is shut, was the test done when dialer interface is shut?

better use debug q931. If layer 1 and 2 not up when you do ping to remote ip, then isp or connection issue.