Corecasys (NJ Network) provides end-to-end network design, installation, troubleshooting and maintenance — covering servers, firewalls, VPN, VOIP and IDC colocation. Our MikroTik-certified team delivers ISP-grade stability, with NBTC VPN and ISP licenses and a 3-week on-site demo policy for real-world evaluation.
Network & Server
LAN and fiber cabling, firewalls, proxy, log servers and VMware virtualization
VPN & Security
Branch connectivity, SD-WAN, Fix IP Anywhere, intrusion detection and ransomware protection
WiFi & Hotspot
Office and apartment WiFi, ticket-based hotspot billing and long-range outdoor wireless
IDC Colocation
Server hosting at CAT IDC, zero-downtime web and mail migration, 24/7 support
VPNLicense 1/60/015
ISPNTC/MM/INT/ISP/1/067/2559
5MikroTik Certifications
30+Services
Core Services
- IPv6 installation — 500 THB/year for 4,096 usable IPv6 addresses Learn more
- Backup systems to protect against ransomware Watch video
- Full mobility Fix IP Anywhere Watch video
- Event internet for exhibitions, seminars and YouTube 4K live streaming Learn more
- SD-WAN for internet access and branch connectivity Learn more
- LAN and fiber termination with test reports Learn more
- Share file and share folder monitoring on your network Learn more
- Core network installation, VPN and network troubleshooting
- Fix slow or unstable internet connections
- Fix IP Anywhere — turn home broadband into a fixed-IP connection Learn more
- File server with ransomware protection Learn more
- Cloud VM — backup systems and data at an IDC Learn more
- VOIP installation in many configurations Learn more
- VMware installation (vCenter, vSphere) Learn more
- VMware high-availability design for minimal downtime Learn more
- LAN and fiber troubleshooting, including off-site fiber splicing
- Physical-to-VM migration Learn more
- LAN performance issues — intermittent connectivity
- Secure remote network access for executives and accounting staff
- Server data migration from old to new hardware
- IDC server migration (web and mail) with no service interruption
- Mail server with anti-spam and anti-virus (high stability) Learn more
- Terminal Server to reduce bandwidth between branches and HQ Learn more
- Proxy server to accelerate internal internet access Learn more
- Log server compliant with Thai Computer Crime Act Learn more
- Content log server for employee internet usage monitoring Learn more
- WiFi and hotspot for offices, buildings and apartments Learn more
- IP-DSLAM installation for resorts, apartments and hotels
- Firewall deployment to control user internet access
- Intrusion detection and network vulnerability remediation
- Outdoor wireless links between buildings (as low as 1 ms ping) Learn more
Service Videos
Hotspot Solution
- Internet billing systems for apartment buildings
- Centralized hotspot billing (similar to True WiFi)
VPN & Branch Connectivity
- Connect branch offices to headquarters
- ERP and accounting software integration across branches
- Branch-to-IDC (Internet Data Center) connectivity
- Emergency or exhibition network deployment
- VPN over 3G, ADSL, G.SHDSL, leased line and T1
VOIP Solutions
- Big Premium VOIP — unlimited domestic calls plus 6 countries — 590 THB/month Learn more
- Connect PABX systems for inbound and outbound calls over the internet
- Link PABX extensions for free inter-extension calling
- SIP server installation for more than 100 extensions
IDC Server Colocation
- Web and mail migration with no impact on existing services
- Professional server installation at IDC
- Server colocation at CAT IDC with reliable international bandwidth for mail servers
| Server Size | IP Address | Power | Price / Month |
|---|---|---|---|
| 1 U / Slim | 1 | 1 outlet | 3,500 THB |
| 2 U | 1 | 2 outlets | 6,500 THB |
Interested in network design, installation or troubleshooting?
Call 086-7041555 · 3-week on-site demo