Hi Shambhu,
To secure HTTPS between Cisco Gateways and Call Server and VXML Server to the gateway for HTTPS, import either the Call Server certificate or the VXML Server certificate on the IOS device during device configuration.
Procedure
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Step 1
Enter https://ip_address_of_callserver:8443/cvp/diag in the address bar of the web browser to access the secure Call Server or https://ip_address_of_vxmlserver:7443/CVP/Server to access the secure VXML Server.
The Security Alert dialog box appears.
Step 2
Click View Certificate.
Step 3
Select the Details tab.
Step 4
Click Copy to File.
The Certificate Export Wizard dialog appears.
Step 5
Click Base-64 encoded X.509 (.CER), and then click Next.
Step 6
Specify a file name in the File to Export dialog box, and then click Next.
Step 7
Click Finish.
A message indicates that the export was successful.
Step 8
Click OK, and close the Security Alert dialog box.
Step 9
Open the exported file in Notepad and copy the Operations Console certificate information that appears between the ---BEGIN CERTIFICATE-- and --END CERTIFICATE-- tags to the IOS device.
Step 10
Access the IOS device in privileged EXEC mode.
For more information, see the Cisco IOS CLI documentation.
Step 11
Access global configuration mode by entering configuration terminal.
Step 12
Create and enroll a trustpoint by entering the following commands:
crypto pki trustpoint xxxx
en terminal
exit
where xxxx is a trustpoint name.
The IOS device exits conf t mode and returns to privileged EXEC mode.
Step 13
Copy the certificate exported to the Notepad to the IOS device:
a. Enter crypto pki auth <xxxx> where xxxx is the trustpoint name specified in the previous step.
b. Paste the certificate from the Notepad clipboard.
c. Enter quit.
o A message displays describing the certificate attributes.
o A confirmation prompt appears.
Step 14
Enter yes.
A message indicates that the certificate is successfully imported
