Phone System – Configure Grandstream UCM-6204 Sorry, but you do not have permission to view this content. ArticlesSummary System Preperation Trunks Extensions Inbound Routes Outbound Routes Ring Groups Voicemail After Hours Call Recording Backup and Restore Recording Voicemail Greeting Blacklisting Calls Reviewing Call Report Add holidays to the system Doc navigation← Performing a Malware CleanupRestore Files using Macrium Reflect →
