I have cisco cucm on Head Office and Branch there is phones also
cucm server ip is 10.0.2.10 and phones are head office also in the same network . And I want phones in branch also in the same network ( it 10.0.2.10 )
Can I achieve these using ipsec vpn
How can i do that ?
Technically you "might" be able to do this but it would be a really bad idea. Why would you want to span Layer 2 across like that? Just create a new network (ie - 10.0.3.0/24) at your remote location and route across the VPN. But then you need to ask yourself, "do I really want VOIP traffic traveling over VPN?". Is this a dedicated MPLS circuit that has guaranteed delivery and QOS? Also, the answer here is probably no. In this case you may want to look into a cloud service for managing these remote phones for the best user experience.
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