P-Early-Media Trusted to Trusted
This table illustrates the P-CSCF case when messages are received from trusted endpoints and forwarded to trusted endpoints.
| Message Parameters configured on egress interface | Request (Invite, UPDATE, PRACK) w/o header | Request (Invite, UPDATE, PRACK) with header with one or more direction parameters where each has one of the values: "sendrecv", "sendonly", "recvonly", or"inactive" | Response (18x, 200OK(UPDATE/PRACK)) w/o header | Response (18x, 200OK(UPDATE/PRACK) with header with one or more direction parameters where each has one of the values: "sendrecv", "sendonly", "recvonly", or"inactive" |
|---|---|---|---|---|
|
p-early-media-header-"add" p-early-media-direction -"sendonly" |
Add header with "supported" value. Setup flows based on SDP value |
Add "supported" value if not present. Setup the flows based on the value in the SDP value. | Setup flows based on local config PEM value. Add the PEM header based on local config value. Status Flow AVP in AAR message updated. | Setup the flows based on the value in the incoming PEM header. |
| p-early-media-header-"modify"
p-early-media-direction -"sendonly" |
Add header with "supported" value. Setup flows based on SDP value |
Add "supported" value if not present. Setup the flows based on the SDP value | Setup flows based on local config PEM value. Add the PEM header based on local config value. Status Flow AVP in AAR message updated. | Setup flows based on local config PEM value. Modify the PEM header based on local config value. Status Flow AVP in AAR message updated. |
|
p-early-media-header-"add" No p-early-media-direction |
Add header with "supported" value. Setup flows based on SDP value |
Add "supported" value if not present. Setup the flows based on the SDP. | Setup flows based on local config PEM value. Add the PEM header based on default value. Status Flow AVP in AAR message updated. | Setup flows based on local config PEM value. Modify the PEM header based on default value. Status Flow AVP in AAR message updated. |
|
p-early-media-header-"modify" No p-early-media-direction |
Add header with "supported" value. Setup flows based on SDP value. |
Add header with "supported" value if not present. Setup the flows based on the SDP. |
config PEM value. Add the PEM header based on default value. Status Flow AVP in AAR message updated. | Setup flows based on local config PEM value. Modify the PEM header based on default value. Status Flow AVP in AAR message updated. |
