In this section:
Ribbon recommends using the Transparency Profile to configure transparency on the SBC Core for new deployments, as well as applying additional transparency configurations to existing deployments. Do not use IP Signaling Profile flags in these scenarios because the flags will be retired in upcoming releases. Refer to the SBC SIP Transparency Implementation Guide for additional information.
Event Transparency
The SBC transparently passes the following content types associated with the specified MMTel services:
Message Body Transparency
The SBC transparently passes the following content-types associated with the specified MMTel services:
Header Transparency
The SBC transparently passes Recv-Info and Info-Package headers to support MMTel Services.
The following MMTel supplementary services use 199 response code:
- Communication Completion Services (CCNR in particular)
- Customized Alerting Tones (CAT)
Refer to Supplementary Services topic for a list of MMTel supplementary services.