“VOIP phone systems replace aging on-premises PBX hardware with cloud-hosted voice — desk phones, mobile apps, auto-attendant, call recording, and CRM integration on one platform. They're for businesses growing past traditional phone infrastructure. Southwest Networks delivers Sangoma-based deployment, training, and number porting with local support, keeping calls reliable while monthly costs stay predictable.”
The Problems VOIP Solves
“Our phone system is so old the vendor doesn't even support it anymore. Every time it goes down, we scramble.”
“We're paying a fortune for phone lines we barely use, but the contract is so confusing I don't even know what to cut.”
“My team works from home half the week but our phones only work in the office. Clients get voicemail and give up.”
Your phone system should make you easier to do business with
CISSP-Certified
Voice systems carry sensitive business conversations every day. Our CISSP-certified leadership ensures your VOIP infrastructure is encrypted, segmented, and protected from eavesdropping and toll fraud.
CISSP-Certified. 30 Years Local. Built for Your World.
We are not a general IT provider that added your industry to a brochure. We have been serving businesses in Riverside and San Bernardino Counties since 1996 — with certifications most IT providers don't have and a specialization in the compliance, security, and uptime demands of professional firms.









Three Steps to IT Confidence
We learn how your team communicates
We audit your current phone setup, understand your call flow, and identify what's working, what's broken, and what's costing you money. Then we design a system around how your team actually works.
Get Your Free VOIP Consultation →We deploy your new phone system
Whether hosted or on-premise, we handle everything — provisioning phones, configuring auto-attendant, setting up mobile apps, and integrating with your CRM. Your team picks up the new phones and they just work.
We keep it running and evolving
Ongoing support, monitoring, and optimization so your phone system grows with your business. Add users, change call routing, or expand to new locations — we handle it all.
What's at Risk — and What's Possible
- ✓ Desk phones, softphones, and mobile apps that keep your team reachable anywhere
- ✓ Professional auto-attendant that routes callers to the right person instantly
- ✓ CRM integration so your team sees caller info before they pick up the phone
- ✓ Call recording and analytics to improve customer experience and train your team
- ✓ One clear monthly bill with no hidden fees and no long-term contracts
- ✗ Missed client calls that go to voicemail and never get returned
- ✗ Remote workers unreachable because phones are stuck in the office
- ✗ Overpaying for legacy phone lines and confusing contracts
- ✗ An ancient phone system one outage away from total failure
- ✗ No call recording or analytics to improve your team's performance
Everything You Get With VOIP
Hosted or On-Premise VOIP
Flexible deployment options tailored to your business. Cloud-hosted for simplicity and mobility, or on-premise for maximum control — we help you choose what fits.
Desk Phones, Softphones & Mobile
HD-quality desk phones for the office, softphones for laptops, and mobile apps for the road — your team takes and makes calls from anywhere on one system.
Auto-Attendant & Call Routing
A professional greeting and intelligent call routing that gets callers to the right person fast — no more 'press 1 for this, press 2 for that' mazes.
Call Recording & Analytics
Record calls for training, compliance, or quality assurance. Built-in analytics show call volume, hold times, and missed calls so you can optimize your team.
CRM Integration
Your phone system connected to your CRM so callers are identified instantly, call logs are captured automatically, and your team has context before they say hello.
Ongoing Support & Management
Add extensions, change call flows, onboard new employees — we manage your phone system so your team never has to think about it. Response times averaging 15 minutes or less.
How Secure Is Your Business Right Now?
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Take the Free IT AssessmentWhat Clients Say About Southwest Networks
"We've worked with Southwest for a number of years. They are extremely helpful and they have a wide knowledge base. They have recently helped us successfully move to a wireless phone system and Office 365. Could not be happier."
"Southwest Networks' team are always reliable, communicative, and tactful. Their ticketing system is very useful. Very professional team in their support of our team. Would give 6 stars if available."
"Great customer service and extremely helpful with all things tech related."
Common Questions About Our Services
Hosted VOIP runs in the cloud — lower upfront cost, easy scaling, great for remote and hybrid teams, and the provider handles all the patching and infrastructure. On-premise means the phone system lives in a server in your office — higher upfront cost, more control over call routing and integrations, and no dependency on internet uptime for internal extension-to-extension calls. For most small and mid-size businesses today, hosted is the right answer because the maintenance burden of running your own PBX rarely justifies the control you gain. We'll help you decide which makes sense for your business based on team size, work patterns, and what you actually need the phones to do.
Yes. We port your existing numbers over seamlessly so your clients, marketing materials, vehicle wraps, Google Business Profile, and decades of word-of-mouth referrals all stay intact. The transition is invisible to your callers — same number, better phone system. Porting itself usually takes one to three weeks depending on the carrier you're leaving, which is why we never schedule the cutover until the port is confirmed. The worst outcome would be a number going dark in the middle of a business day because the port date slipped. We plan around that risk so it doesn't happen. Your number is one of your most valuable business assets, and it should move when you do.
We build in failover options — calls can automatically forward to mobile phones, route through a secondary internet connection, or reroute to a backup destination so you never miss a call even if your primary circuit goes dark. We also design your network to prioritize voice traffic for crystal-clear quality, separating phones from regular data traffic so a big file download doesn't break a customer call. For businesses where missing calls means missing revenue — service companies, medical practices, anyone with appointment-driven business — we recommend a backup connection from a different carrier so a single fiber cut in the street doesn't take down your entire communications infrastructure. Resilience comes from designing for the failure, not pretending it won't happen.
Most businesses are fully up and running on their new VOIP system within one to two weeks, with larger or more complex environments taking three to four. We handle all the configuration, number porting, auto-attendant recording, CRM integration, and hands-on training so your team is comfortable from day one — not staring at a new phone wondering how to transfer a call. The longest variable is almost always number porting from the old carrier, which we kick off first so it isn't the thing holding up the cutover. The work that gets rushed is the work that creates ticket backlogs three weeks later. We'd rather take the right amount of time once and move on.
That's one of the biggest advantages of VOIP. Your team can make and receive calls from their desk phone, laptop softphone, or mobile app using the same business number — whether they're in the office, at home, in a hotel room, or driving between client meetings. Outbound calls show your business number, not the employee's personal cell, which keeps boundaries clean and your brand consistent. Inbound calls follow the employee instead of getting stuck on a desk phone in an empty office. The whole point of modern business communications is that the phone system should follow the work, not force the work to come back to the phone system. VOIP makes that possible.
Latest VOIP Insights
Serving Businesses Across Southern California

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