H3C Technologies H3C MSR 50 - Manual (Page 693)

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Verifying the configuration
SIP calls from telephone 1111 to telephone 2222 are carried over TCP. You can view information about
TCP connections on the TCP Connection Information tab page by selecting Voice Management > States
and Statistics > SIP UA States from the navigation tree and clicking the TCP Connection Information tab.
Configuring TLS to carry outgoing SIP calls
Network requirements
Two routers Router A and Router B work as SIP UAs. It is required that the SIP calls between the two
parties be carried over TLS.
Figure 699 Network diagram
Configuration procedure
The certification authority (CA) server runs RSA Keon in this configuration example.
CAUTION:
To make sure the certificate on the device can be used, be sure that the device system time falls within the
validity time of the certificate.
1. Retrieve the CA certificate from the certificate issuing server.
For more information about how to retrieve the CA certificate from the certificate issuing server,
see "Managing certificates."
2. Configure basic voice calls, see " Configure basic voice calls: configure a local number and the
call route to Router B. "
3. Specify the transport layer protocol on Router A:
# Specify TLS as the transport layer protocol for outgoing calls on Router A.
Select Voice Management > Call Connection > SIP Connection from the navigation tree, and click
the Session Properties tab to access the transport layer protocol configuration page as shown
in
Figure 700 .