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You also need to choose the created routing scheme (Flow), that will be used during the calls by this gateway. Routing Setup Настройка маршрутизации
After saving the registration status should be successful (Success).
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- Server/Gateway Hostname or IP - SIP proxy address. If anon-standard port is used, you need to specify it at the end of the title after":". For example sip.provider.com:6060
- Host - a host that will be used for the inbound calls
You also need to choose the created routing scheme (Flow), that will be used during the calls by this gateway. Routing Setup 
On the Configuration tab, it is possible to limit the list of IP addresses from which the inbound calls will be received.
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