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Display Name: Give the SIP Profile a name. ServiceProvider_External
User Agent: This is the name displayed on the User-Agent Header. Does not need changing.
SIP IP Address: Select the LAN IP Address of the SBC
External SIP IP Address: Enter in the WAN IP Address of the Firewall/Router. This setting is only used when the SBC is behind a Firewall/Router.
Port: Port 5060 is default.
Transport: Select the Transport you want to use, UDP+TCP is default. Or individually UDP or TCP.
RTP IP address: If different than the SIP IP Address, select the IP here.
External RTP IP address: Enter in the WAN IP Address of the Firewall/Router. This setting is only used when the SBC is behind a Firewall/Router.
SIP Trace: Optional: Enable. It is useful when you have a problem.
Strict Security: Optional. Enable when strict security is required, here all traffic from non whitelisted and/or registered IP addresses, on that SIP Profile, will be blocked. This means that with this feature enabled you need to assign ACLs or register endpoints in order to be able to make calls through the profile. Enabling in SIP Trunking solutions, allows the SBC to lock down to specific SIP Peers.
Authenticate Calls: Select Disable,
ACL for Inbound Calls: From the Available list, select and use the Arrow key to move over the Internet_WAN_External_ACL list created earlier.
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Press Save
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Signaling | SIP Trunks
Two SIP Trunks Profiles are needed. One for the FreePBX-PBXact and another for the SIP Trunk Service Provider. SIP Trunks Profile is where the Peer attributes are configured.
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Display Name: Give any Name. PBXact
Domain: Enter the IP Address or FQDN of the FreePBX-PBXact
User Name: Not required.
Authentication User Name: Not Required.
Password: Not Required.
From User: Not Required
From Domain: Not Required.
Transparent CallerID: Select Enabled.
Transport: Select UDP
OPTIONS Ping Frequency: Optional: Enter 60 for 60 Seconds
OPTIONS Max Ping: Optional: Enter 5 for 5 tries
OPTIONS Min Ping: Optional: Enter 5 for 5 tries
SIP Profile: Select the "PBXact_Internal" SIP Profile created earlier
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Press Save
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Setup the SIP Trunking Service Provider in a SIP Trunk Profile
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