34.2 SAS Routing
This section provides flowcharts describing the routing logic for SAS in normal and
emergency states.
34.2.1 SAS Routing in Normal State
The flowchart below displays the routing logic for SAS in normal state for INVITE
messages received from UAs:
Figure 34-5: Flowchart of INVITE from UA's in SAS Normal State
The flowchart below displays the routing logic for SAS in normal state for INVITE
messages received from the external proxy: