To preface, I'm a new IT Specialist for a small company, and I've found there is zero documentation for anything in the network. I'm currently trying to figure out the phone system. We have VoIP phones, and each is connected to the main switch using a regular network cable. However, according to the company that originally set up the network, we do not have VoIP. They say we have regular phone lines through AT&T. I have very little training in phone systems, so I don't really understand this. Is it possible to have VoIP phones on a switch but still have calls go through regular phone lines so that the system is not really considered to be VoIP? How exactly would that work?
VoIP phones using regular phone lines
- Thread starter bud823
- Start date
There is a difference between a phone line and a phone. The phone lines are better called DiD. The are a couple of way to implement this and it depends if there is one phone line/number per person or if they are shared. Shared ones are the ones that you dial a main number and it asks you to dial a extension.
In any case what they likely have done is hooked all the "phone lines" to some form of PBX. So you run VoIP between the phones in the office but if you want to go to the outside world you need to go to this device that has the phone lines and a network connection. You would run a VoIP call to the gateway/PBX thing and it would convert that to actual phones lines.
There are a lots of ways to accomplish this. Technically you always need phone lines to connect to the outside world unless you have a very modern system that support what is called SIP trunking. In that case you are VoIP all the way to the telco and someplace in their network they connect to actual phone lines.
In any case what they likely have done is hooked all the "phone lines" to some form of PBX. So you run VoIP between the phones in the office but if you want to go to the outside world you need to go to this device that has the phone lines and a network connection. You would run a VoIP call to the gateway/PBX thing and it would convert that to actual phones lines.
There are a lots of ways to accomplish this. Technically you always need phone lines to connect to the outside world unless you have a very modern system that support what is called SIP trunking. In that case you are VoIP all the way to the telco and someplace in their network they connect to actual phone lines.
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