you will need to configure NAT from your poublic IP address to your local gateway ip address, if this is sip forward on port 5060 and 5061. and turn on sip inspection to allow rtp to your inside segment as well.
also add an acl to allow 5060 and 5061
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under analysis> events you should be able to search for an IP and see what is being blocked (choose action block in your search criteria)
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proxies are used as a central adminstrative point to allow/block certain URLS of categories of URLS.
browsers are proxy aware (through browser settings, and chrome uses the iE/MS settings).
other apps are not proxy aware and use/require direct internet access
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if all you are changing is ISP and hence public IP;s then all that is required is that the remote end change the peer IP address that they are pointing to
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yes that would work, you have an incoming dialpeer and an outgoing dial peer.
remember to out called number translations on the cucm gateway that carries the incoming calls if you use for instance 5 digit internal extensions
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Typically what happens is that you use the public ip address on the outside interface your vpn termination point. and open that IP address for esp and isakmp. is there any particular reason why you want to terminate on a different public IP?
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can you run debug dhcp detail and debug dhcp server events on the router and verify that the client identifier you have configured is actually the one that the end station uses for dhcp.
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do you see the BYE come into your border router, at all?
I mean you probably did a debug ccsip on your cube, and saw no BYE.
so look for the problem upstream to your provider, ie your border router(s)
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I would think talk to your provider that has already offered you the layer 2 link and get an additional layer 2 link to your new office.
my question would be, do you really need that layer 2 link. normally you would see layer 2 links between core sites i.e. redundant datacentres?
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