Huawei B2368 Series User Manual page 126

LTE CPE B2368 User's
Guide
Figure 15-7 SIP user agent Figure 15-7 SIP user agent
SIP proxy server
SIP proxy server
SIP proxy server receives requests from clients and forwards them to the destination server.
The following example describes a situation where a client device AND we call on the client device C. The following example describes a situation where a client device AND we call on the client device C. The following example describes a situation where a client device AND we call on the client device C. The following example describes a situation where a client device AND we call on the client device C.
Step 1 Client Device ( AND pictured) sends an invitation to initiate a call to the SIP proxy server - Step 1 Client Device ( AND pictured) sends an invitation to initiate a call to the SIP proxy server - Step 1 Client Device ( AND pictured) sends an invitation to initiate a call to the SIP proxy server - Step 1 Client Device ( AND pictured) sends an invitation to initiate a call to the SIP proxy server - Step 1 Client Device ( AND pictured) sends an invitation to initiate a call to the SIP proxy server -
B.
step 2 The SIP proxy server then invited to initiate a call sent to the device C. step 2 The SIP proxy server then invited to initiate a call sent to the device C. step 2 The SIP proxy server then invited to initiate a call sent to the device C.
Figure 15-8 SIP proxy server Figure 15-8 SIP proxy server
- - - - End
SIP Redirect Server
SIP Redirect Server receives all SIP requests, translates the destination address to the IP address and sends the
translated IP address back to a device that has sent the request. Client device that has sent the request may then
send requests directly to the IP address that
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