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Configuring Realm Names under Address Context

set addressContext default realm Xa.operatorX.net connectedRealm Aa.operatorA.net.
set addressContext default realm Ya.operatorY.net connectedRealm Ba.operatorB.net.

When configuring SBC to use OMR, realm must be configured. However, connectedRealm is optional.

Configuring Ingress Realm Name at Ingress TG

set addressContext default zone SBX50_ZONE_INGRESS sipTrunkGroup SBX50_TG_INGRESS media omrPrimaryRealm Xa.operatorX.net

Configuring Egress Realm Name at Egress TG

set addressContext default zone SBX50_ZONE_EGRESS sipTrunkGroup SBX50_TG_EGRESS media omrPrimaryRealm Ya.operatorY.net

Enable OMR on Ingress TG

set addressContext default zone SBX50_ZONE_INGRESS sipTrunkGroup SBX50_TG_INGRESS media omrAllowed enabled

set addressContext default zone SBX50_ZONE_INGRESS sipTrunkGroupSBX50_TG_INGRESS media omrAllowed ravelCallOnly

If the flag ravelCallOnly is enabled when originating call is identified to be RAVEL architecture compliant, that is, roaming and the initial INVITE contains "Feature-Caps" header with header field parameter +g.3gpp.trf or +g.3gpp.loopback, the OMR is applied to that call.


Enabling OMR on Egress TG

set addressContext default zone SBX50_ZONE_EGRESS sipTrunkGroup SBX50_TG_EGRESS media omrAllowed enabled

set addressContext default zone SBX50_ZONE_EGRESS sipTrunkGroupSBX50_TG_EGRESS media omrAllowed ravelCallOnly

If the flag ravelCallOnly is enabled when originating call is identified to be RAVEL architecture compliant, that is, roaming and the initial INVITE contains "Feature-Caps" header with header field parameter +g.3gpp.trf or +g.3gpp.loopback, the OMR is applied to that call.

Enabling "Send Direct Media Info In SDP Attribute" in both Ingress and Egress IPSP

Figure 1: Enable Send Direct Media Info In SDP Attribute parameter


Enabling "Use Direct Media" in both Ingress and Egress PSP

Figure 2: Enable Use Direct Media parameter for Ingress and Egress TG 


Enabling "Minimize Relaying of Media Changes From Other Leg" in both Ingress and Egress IPSP

Figure 3: Enable Minimize Relaying of Media Changes From Other Leg parameter for Ingress and Egress TG


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