This is our 8th of 12 blogs on the subject of SIP trunks. Subscribe in the box to the right to receive an email notification for each one in the series.
Click here to read the previous blog in this series.
SIP Trunking on Legacy Phone Systems
If you interested in the cost saving benefits of SIP Trunking but aren't ready to give up your old PBX just yet, you're in luck. Here's how you can do it.
SIP Trunking on Legacy PBX
To utilize SIP trunking on a PBX connected to analog lines or a PRI, a gateway is needed to convert the SIP signal coming in from the Internet back into the old school PRI or analog connection. From the diagram, you can see a voice gateway placed in-between your Internet service provider and your PBX. What's nice about the gateway is that when you're not using the phones, it manages your available bandwidth to increase the speed for your regular data applications when employees aren't using the phones.