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Back to Configuring SBC for WRTC

In this section:

Configuring ICE for Late Media Calls

To configure late media calls for ICE:

Enabling ICE Capability on Ingress and Egress Trunk Groups

% set addreeContext default zone Z1 sipTrunkGroup TG_SBX_INT services natTraversal iceSupport iceWebrtc 
% set addreeContext default zone Z2 sipTrunkGroup TG_SBX_EXT  services natTraversal iceSupport iceWebrtc

Enabling Late Media Support Parameter

% set addreeContext default zone Z1 sipTrunkGroup TG_SBX_INT media lateMediaSupport passthru

Configuring DTLS for Late Media Calls

To configure late media calls for DTLS:

The DTLS terminate flag must be enabled.

Creating Cipher Suite

% set profiles security dtlsProfile defaultDtlsProfile cipherSuite2 rsa-with-null-sha handshakeTimer 20

Configuring Packet Service Profile

% set profiles media packetServiceProfile PSP_IAD dtls dtlsCryptoSuiteProfile DEFAULT dtlsFlags allowDtlsFallback enable enableDtlsSrtp enable
% set profiles media packetServiceProfile PSP_IAD secureRtpRtcp cryptoSuiteProfile SRTP flags enableSrtp disable

Configuring Ingress Trunk Group

% set addressContext default zone ZONE1 sipTrunkGroup TG_SBX_INT policy media packetServiceProfile PSP_IAD
% set addressContext default zone ZONE1 sipTrunkGroup TG_SBX_INT media dtlsProfileName defaultDtlsProfile

Configuring Egress Trunk Group

% set addressContext default zone ZONE2 sipTrunkGroup TG_SBX_EXT policy media packetServiceProfile PSP_IAD
% set addressContext default zone ZONE2 sipTrunkGroup TG_SBX_EXT media dtlsProfileName defaultDtlsProfile

The late media calls with DTLS are not supported when lateMediaSupport is set to "convert".

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