Installation & Maintenance Manual 15. Configuring the SIP Transport Type
Version 6.8 159 Microsoft Lync Server
Figure 15-12: Download a CA Certificate, Certificate Chain, or CRL Page
19. Under the 'Encoding method' group, select the Base 64 option for encoding.
20. Click Download CA certificate.
21. Save the file as certroot.cer to a folder on your computer.
22. In the E-SBC's Web interface, return to the TLS Contexts page and do the following:
a. Scroll down to the Upload certificates files from your computer group, click
the Browse button corresponding to the 'Send Device Certificate...' field, navigate
to the gateway.cer certificate file that you saved on your computer above and
then click Send File to upload the certificate to the E-SBC.
Figure 15-13: Upload Device Certificate Files from your Computer Group
b. In the E-SBC's Web interface, return to the TLS Contexts page.
c. In the TLS Contexts table, select the required TLS Context index row, and then
click the TLS Context Trusted-Roots Certificates button, located at the
bottom of the TLS Contexts page; the Trusted Certificates page appears.
d. Click the Import button, and then select the certificate file to load.