Premium Only Content
![[part 02] PBX and PSTN introduction to basic VoIP concepts](https://1a-1791.com/video/s8/1/A/a/t/K/AatKd.qR4e-small-part-02-PBX-and-PSTN-introd.jpg)
[part 02] PBX and PSTN introduction to basic VoIP concepts
https://discord.gg/rossmanngroup
Let's get Right to Repair passed! https://gofund.me/1cba2545
We repair Macbook logic boards: https://rossmanngroup.com/macbook-logic-board-repair
👉 DISCORD chat server: https://discord.gg/rossmanngroup
👉 Rossmann Repair Group Inc is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to amazon.com
✖ Buying on eBay? Support us while you shop! https://www.rossmanngroup.com/ebay
The first thing to understand here are what a PBX and what PSTN are. PSTN, to oversimplify it, is the outside world. We talk to the PSTN when we call the pizzeria from our cellphone. A PBX is what our office phones communicate with before they talk to the PSTN.
For information on having us set up your phone system, check out our website: this is something we can do for you!
http://www.rossmanngroup.com/business-phone-system-solutions/
-
17:24
Louis Rossmann
1 year ago $0.26 earnedYoutube confirms intentional slowdown of adblock users 🤦♂️
2.2K33 -
52:26
SouthernbelleReacts
18 hours ago $1.66 earnedIndependence Day (1996) Reaction | Aliens, Explosions & Pure ’90s Glory!
2.34K3 -
14:54
Producer Michael
1 day agoINSANE 1-OF-1 LUXURY WATCHES WORTH MILLIONS!!
6.54K2 -
21:17
marcushouse
3 hours ago $2.63 earnedSpaceX Isn’t Waiting With Starship... Here’s Their Big Move!
8.18K8 -
LIVE
RG_GerkClan
2 hours ago🔴LIVE - Lets Dominate Every Raid - Gray Zone Warfare - Gerk Clan
588 watching -
13:02
Machete Gaming
19 hours ago $4.76 earnedThe Ultimate Tennis Game Buyer’s Guide (2025)
23.9K4 -
LIVE
EXPBLESS
3 hours agoKind Of Playing What Ever Today - Saturday Chill With Bless - #RumbleGaming 💚
85 watching -
13:00
Michael Button
2 days ago $6.14 earnedWhy did Civilisation COLLAPSE 3000 years ago?
14.4K29 -
41:27
CarlCrusher
23 hours agoThunder Strike Ranch | Path of the Skinwalker | Episode 4
23.6K5 -
9:24
Millionaire Mentor
5 hours agoDem Congressman Gets CRUSHED by Kari Lake - He WALKS OUT!
1.96K4