How to forward SIP call out VPN on external interface? Cisco UC540
I am unable to forward calls to another UC500/site connected on the same outside interface on a UC500 router. See the attached diagram. Caller at 650-222-4444 calls 916-333-5555. That call gets to UC500 Site A via a SIP trunk to a carrer. Now x5555 has turned on CfdALL to x7777. There is an IPsec tunnel between UC500 Site A and UC500 Site B. And there is a SIP dial peer for extensions 77XX. But this is failing and the caller hears "The number you have dialed is no longer in service". Can you please advise if this should be doable? And if yes - what's the mojo? Thank youj. ScreenHunter-06-Mar.-16-09.45.gif
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