# Basic configuration

These are the basic steps to have a working configuration. For more Use Cases, visit [ProSBC Use Cases](/use-cases/interoperability-examples.md)

#### IP Interfaces

Create the logical connections and set the IP addresses that the SBC is going to use.\
[Create the IP Interfaces](/configuration-details/configuration-by-web-portal-category/ip-network-settings/configuring-ip-interfaces.md)

#### Create SIP Stack

Enable SIP signaling for the SBC\
[Creating a SIP Stack](/configuration-details/configuration-by-web-portal-category/sip/creating-a-sip-stack.md)

#### SIP Transport Server

Configure the ports and protocols for the transport servers of the SIP stack.\
[Create Transport Server](/configuration-details/configuration-by-web-portal-category/sip/creating-a-sip-transport-server.md)

#### Create NAPs

A Network Access Point or NAP represents the entry point to another network or destination peer (e.g. SIP proxy). A NAP can also be thought of as a trunk group\
Create NAPs for one side ('internal', IP PBX, SIP clients) and another side ('external', SIP trunk). We can create an 'Open' NAP, by specifying a network instead of a specific host.\
[Create NAP ](/configuration-details/configuration-by-web-portal-category/network-access-points-nap.md)or an [Open NAP](/configuration-details/configuration-by-web-portal-category/network-access-points-nap/allocating-a-sip-open-network-access-point-nap.md)

#### Create DNS, assign DNS Server

Configure DNS

#### Create Routes

[Create a First Call Route](/configuration-details/configuration-by-web-portal-category/call-routing/creating-a-first-call-route.md)

For more Use Cases, visit [ProSBC Use Cases](/use-cases/interoperability-examples.md)


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