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".

For more information on late media support, refer to the section Late Media Support for ICE and DTLS.