I need a guidance regarding remote registration / registration proxy on Expressway Edge to Core.
Currently the remote registration has been enabled by the followings: - Traversal zone between Core and Edge - Search rule on Edge Protocol: SIP (All variants) Source: Default zone Mode: Any alias Target: Traversal zone
By these settings, all external requests are forwarded to the Core, including inappropriate calls. I was thinking that is there any way to filter/enable the registration requests (like in MRA) and the targeted calls only? When I modified the search rule above to use .*@domain.com.* regex pattern, all external registrations were dropped.
Unfortunately the MRA scenario can be used for UCM registration only, as far as I know.
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