Cisco 7841 getting beep tone before at the beginning of the every calls.Issue observed only in 7845 ip phones.Other model phones in the same device pool are working fine.Is this a known issue? No recording is enabled in CUCM 

Can anyone update me the possible reason for the below error.%SSH-3-NO_MATCH: No matching hostkey algorithm found: client ssh-dss server ssh-rsa%SSH-3-NO_MATCH: No matching hostkey algorithm found: client ecdsa-sha2-nistp256 server ssh-rsa%SSH-3-NO_M...

Hi team, All the Ip phones at the location generated continous beep sound for less than a minute and it stopped automaticallty. the device include 7940,7960,7942. Extension mobility was configured and all the phones were logged out.  Currelty all are...