You are viewing an old version of this page. View the current version.

Compare with Current View Page History

« Previous Version 5 Next »

In this section:

Related articles:

Overview

The 

Unable to show "metadata-from": No such page "_space_variables"
supports the late media scenarios for Interactive Connectivity Establishment (ICE) and Datagram Transport Layer Security (DTLS). The behavior of late media on the 
Unable to show "metadata-from": No such page "_space_variables"
is controlled by the flag lateMediaSupport. The possible values of this flag are passthru and convert.

  • For a late media pass-through call, the 
    Unable to show "metadata-from": No such page "_space_variables"
     supports:
    • Sending the ICE-Lite and DTLS related attributes in the Session Description Protocol (SDP) offer in 18x response or 200 Ok response to the ingress leg, when the INVITE is received without SDP.
    • Sending the ICE-Lite and DTLS related attributes in the SDP answer in PRACK or ACK to the egress leg, when the SDP offer is received in 18x or 200 from the egress leg.
  • For a late media convert call, the 
    Unable to show "metadata-from": No such page "_space_variables"
     supports:
    • Sending the ICE-Lite related attributes in the SDP offer in 18x response or 200 Ok response to the ingress leg, when the INVITE is received without SDP.
    • Sending the ICE-Lite related attributes in the SDP offer in INVITE request to the egress leg, when the ingress INVITE is received without SDP.
  • DTLS is not supported for late media convert calls.
  • Late media support for ICE and DTLS assumes that the 
    Unable to show "metadata-from": No such page "_space_variables"
    is configured appropriately for ICE and DTLS termination. For more details on configuration, refer to Configuring SBC for WRTC.

Call Flows

Non PRACK Late Media Pass-through

Non-PRACK Late Media Pass-through Call Flow

PRACK Late Media Pass-through

PRACK Late Media Pass-through Call Flow

Non-PRACK Late Media Convert

Non-PRACK Late Media Convert Call Flow

PRACK Late Media Convert

PRACK Late Media Convert Call Flow

The MS Lync/Skype Remote Desktop Sharing feature is supported on all

Unable to show "metadata-from": No such page "_space_variables"
platforms:

  • Unable to show "metadata-from": No such page "_space_variables"
  • Unable to show "metadata-from": No such page "_space_variables"
  • Unable to show "metadata-from": No such page "_space_variables"
    (all environments)
  • No labels