RTCP pass-through capability applies to media channels. IOS MTP Version 15.2(2)T and later supports RTCP pass-through capability so that the endpoint in a call with an MTP presentĬan still provide feedback and status on an RTP transmission. Parameters, perhaps by limiting flow or using a different codec. An application may use this information to control the quality of service Packet counts, jitter, and round-trip delay time. RTCP gathers statistics for a media connection and information such as transmitted octet and packet counts, lost Of RTCP is to provide feedback on media distribution by periodically sending statistics to participants in a streaming multimedia Real-Time Transport Control Protocol Pass-Through in MTP TopologiesĪn IOS Media Terminate Point (MTP) before 15.2(2)T, cannot pass-through Real-Time Transport Control Protocol (RTCP) packetsĪnd therefore cannot exchange Real-Time Protocol (RTP) feedback data to enhance the RTP transmission. You can also see, Configure Conference Bridges chapter in the System Configuration Guide for details on how Unified Communications Manager can allocate a video conference bridge automatically. See the Configure Media Resources chapter in the System Configuration Guide. Video (H.261, H.263, H.263+, H.264-SVC, X-H.264UC, H.264-AVC, H.265, AV1 and VT Camera wideband video codecs)Ĭall control for video calls operates the same way as the call control that governs all other calls. The call can include the following stream types: The typical video call includes two or three Real-Time Protocol (RTP) streams in each direction (that is, four or six streams). The following sections discuss the details of video telephony in the Unified Communications Manager environment. Provides serviceability information, such as Call Detail Records (CDRs), about video calls Supports H.323, Skinny Client Control Protocol (SCCP), and Session Initiation Protocol (SIP)Įnhances locations and regions to provide Bandwidth Management Transmits midcall, media-related messages that are needed for video (that is, transmits commands or indications that are needed Supports multiple logical channels that are needed to allow the transmission of video streams Supports video and video-related features, such as Far-End Camera Control (FECC) The Unified Communications Manager video telephony solution offers these features: Video endpoints use Unified CM call-handlingįeatures and access a unified voice and video solution for dialing and connecting video calls. Unified Communications Manager supports video telephony and thus unifies the world of voice and video calls. Video Telephony and Cisco Unified Serviceability.Conference Control for Video Conferencing.Video Resolution Support for SIP Phones.Enhanced Locations Call Admission Control.Far End Camera Control Protocol Support.Endpoint Support for the Binary Floor Control Protocol.Cisco TelePresence Conductor Video Conference Bridge.Cisco TelePresence MCU Video Conference Bridge.Configuring SIP Devices for Video Calls.Topology and Protocol Interoperability Limitation.Call Admission Control (CAC) on Second Video Channels.H.323 Devices Invoke Presentation Feature.H.239-Extended Video Channels in H.323 Call.Video Telephony Configuration Task Flow.Real-Time Transport Control Protocol Pass-Through in MTP Topologies.The US Federal Communications Commission (FCC) Emergency Call Routing Regulations.Configure Presentation Sharing using BFCP.Configure SIP Normalization and Transparency.Configure Multilevel Precedence and Preemption.Separate Calling Party Number and Billing Number in SIP.Configure Flexible DSCP Marking and Video Promotion.Native Phone Migration using IVR and Phone Services.Client Matter Codes and Forced Authorization Codes.Extension Mobility Roaming Across Clusters.
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