If enabled, the UCM will replace the caller display name with the Ring Group
name the caller know whether the call is incoming from a direct extension or a
Ring Group.
If enabled calls to busy agents will be skipped and sent to the following
available ones. Default is enabled.
If enabled, users could select extension, voicemail, ring group, IVR, call queue,
voicemail group as the destination if the call to the ring group has no answer.
Note: Voicemail Password and Email address (limited by 128 characters) are
required if voicemail is selected as the destination. Voicemail system will
mention if a voicemail is from a ring group.