Multisite Deployment Solution OverviewQuality of ServiceQoS AdvantagesOverview of Solutions for Bandwidth ChallengesLow-Bandwidth Codecs and RTP Header CompressionCodec Configuration in CUCMDisabling the Annunciator for Remote BranchesLocal Versus Remote Conference BridgesTranscodersLeading Practices for Transcoder DesignMixed Conference BridgeMulticast MOH from the Branch Router FlashAn Example of Multicast MOH from the Branch Router FlashAn Example of Multicast MOH from the Branch Router Flash Cisco IOS ConfigurationAlternatives to Multicast MOH from Remote Site Router FlashPreventing Too Many Calls by CUCM Call Admission ControlAvailabilityPSTN BackupMGCP FallbackFallback for IP Phones: SRST, CME SRST, or SIP SRSTUsing CFUR to Reach Remote Site Cisco IP Phones During WAN FailureUsing CFUR to Reach Users of Unregistered Software IP Phones on Other DevicesAAR and CFNBMobility SolutionsOverview of Dial Plan SolutionsNAT and Security SolutionsCUBE in Flow-Through ModeCisco Expressway C and Cisco Expressway E As a Solution to NAT and Security Issues in a Multisite EnvironmentSummaryReferencesReview Questions