Greatings everyone,I have a router that suddently all configs seems to be erased, Its on a loop and i cant issue any command on the terminal,It worked as a SIP-Gateways as well,  Some of the current output:  === Flushing messages () ===Buffered messa...

Hey guys, I cannot find voice commands on cisco router series 2900, I have licended it, but no luck Command: voice service voip NT: Setting up on a packet tracert