VoIP
↗
VoIP & SIP Platform
Hosted PBX and SIP trunking with intelligent call routing, IVR, and carrier failover, tuned for clear voice under load.
- SIP
- Asterisk / FreePBX
- Twilio
- RTP
VoIP · Networking · Advanced software development
Voice, networks, and software
engineered to stay up.
DOS Global builds VoIP and telecom systems, engineers the networks that carry them, and develops the advanced software that ties everything together — from SIP and routing to custom applications and integrations.
CALL
SIP
ROUTE
CONNECTED
01
VoIP & telecom
SIP trunking, PBX deployment, call routing, and carrier integration — clear voice quality with the failover and monitoring to keep lines live.
02
Network engineering
Routing, firewalls, VLANs, VPNs, and edge security across multi-vendor gear, tuned for uptime, low latency, and clean real-time traffic.
03
Advanced software
Custom applications, APIs, and integrations built to handle real workloads — with the hosting, DNS, and security to run them reliably in production.
Selected work
Projects, by the systems they connect
Networking
↗
Multi-Site Network Backbone
Routed and segmented networks linking multiple sites over VPN, with firewalls, QoS for voice, and centralized monitoring.
- pfSense / OPNsense
- UniFi
- MikroTik
- WireGuard
Software
↗
Custom Business Platform
Full-stack web application with role-based access, reporting, and third-party integrations built around a client's specific workflow.
- PHP
- MySQL
- REST
- OAuth 2.0
Integrations
↗
API Integration Layer
Middleware that connects internal systems to external services — payments, messaging, and booking — through clean, well-documented APIs.
- REST
- Webhooks
- Stripe
- Twilio
Infrastructure
↗
Managed Hosting & Edge
cPanel/WHM fleet with CDN, DNS, and WAF in front of client sites, plus automated SSL provisioning and monitoring.
- Cloudflare
- Let's Encrypt
- cPanel/WHM
Notifications
↗
Messaging & Alerting Service
Event-driven service dispatching SMS, voice, and email alerts on system events, with delivery tracking and retries.
- Twilio
- SendGrid
- Firebase
- Webhooks
Integrations
Technology we build with
Grouped by domain: voice and telecom, networking, software and APIs, and infrastructure.
Voice & Telecom
- SIP
- Asterisk / FreePBX
- Twilio
- RTP
- WebRTC
Networking
- pfSense / OPNsense
- UniFi
- MikroTik
- WireGuard
- QoS
Software & APIs
- PHP
- MySQL
- REST
- Webhooks
- OAuth 2.0
Infrastructure
- Cloudflare
- cPanel/WHM
- AWS
- IBM Cloud
- Let's Encrypt
Infrastructure
Network & telecom we work across
Network equipment
Telecom & carriers
Contact
Let's talk about your project.
VoIP, network engineering, custom software, or integrations. Send a note and our team will get back to you.
contact@dosglobal.com