Thanks Scott and Roger for your help. The issue is finally get fixed! There is a misconfiguration fr...

They have not received the INVITE and SIP option message when the CUBE2 is active. I am thinking if ...

Still the same. Actually, session target and server-group 2 point to the same IP.

My mistake. The config file for CUBE2 is attached.

Hi Scott, You meant that the WAN VIP (10.38.0.99 in DMZ) cannot be mapped to the same public IP? We ...

I found this under Cisco license portal, could be the license issue.

Hi Roger, The user has purchased 200 CUBE RED licenses. Do i need to apply " mode border-element lic...

Yep, there is no any response in return from ISTP. It is odd, actually, CUBE1 and CUBE2 are using th...

The authentication under sip-ua is the same.CUBE1:sip-uaauthentication username 3068080270 password ...

There is no ip routing issue on the CUBE2 to ISTP C4400_VG2_Colo#ping 208.68.17.52 source 10.38.0.10...

Debug for sip message for a success call via CUB1:Calling party: 3068080271Called party: 3063716658 ...

Hi all, I have configured CUBE box-box redundancy recently. It is all good when the CUBE1 is active....

Hi Monica, Could you please take a look and get it back? Thanks

Not that one, it is regarding "Call fails after CUBE HA failovers"

Is there anyone from Cisco who can help on this? There are a few people involved in that discussion ...