PBX stands for “Private Branch Exchange”, which is what is referred to as a “Phone Switch”, which “switches” phone calls (inbound and outbound) to user’s extension from external SIP sources. SIP is “Serial Inline Protocol” and is the network protocol that is used to facilitate most PBX calls. In order to effectively use the PBX, […]
Now that we have networking setup, we can move onto setting up the rest of FreePBX. Let’s start by setting up a trunk to our SIP provider: Trunks A trunk is a connection to another PBX, in VOIP-Speak. This is a slightly different definition than when trunking is in Network-Speak, as many of the Telephony […]
Your PBX server requires some network changes to facilitate phone calls to your SIP provider. We will be setting up a NAT or PAT on your router, then make some rules to allow the traffic into your PBX, then finish up some advanced settings on your FreePBX system. Let’s start with understanding what needs to […]