EXPERT ONLY: Fix DrayTek/Yeastar/Cudy VPN & VoIP over 5G CGNAT (Read Rules)
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About this role
Linux, Asterisk PBX, Cisco, VoIP, Network Administration, Docker, Network Security, Network Engineering, SIP, VPN · STRICT RULES - READ BEFORE BIDDING
1. ZERO-TOLERANCE HARDWARE RULE: DO NOT BID if you do not have direct, hands-on experience with ALL of these specific devices:
Cudy P2 5G Router
DrayTek Vigor 2915 Router
Yeastar S20 PBX We are a live production business, NOT a testing ground or a network engineering academy. If you do not know these exact models inside out, do not waste our time. We will not teach you how our network works.
2. THE CORE AUTOMATION GOAL (MANDATORY): We demand a 100% seamless, automated experience for the end-user. Moving in and out of the office must require ZERO manual network adjustments.
Smart VPN (Always-On): It must run 24/7. When a user walks into the KSA office and connects to the local Wi-Fi, the routing must automatically prioritize local traffic without conflicts. When outside on 5G, it must route to the remote sites smoothly. No manual ON/OFF switching.
Linkus App: It must auto-switch instantly. It must use the Local PBX IP when inside the office, and automatically switch to the DDNS endpoint when outside, bypassing the VPN completely to avoid latency.
3. STRICTLY ANYDESK OR ULTRAVIEWER ONLY: ALL work MUST be done remotely via AnyDesk or UltraVie