Connect your business phone system to Taiwan, Province Of China with a reliable, cost-effective Taiwan, Province Of China SIP Trunk provider. Reach your customers with local and toll-free numbers, backed by enterprise-grade security and global coverage. Get set up in minutes, not days.
SIP trunking (Session Initiation Protocol trunking) is a technology that lets your business make and receive phone calls over the internet instead of traditional phone lines. Think of it as a digital bridge that connects your phone system (PBX) directly to carriers in Taiwan, Province Of China and beyond with zero hops, maximum stability, crystal-clear quality.
With PBX.IM's SIP trunking service, you can:
Looking for a virtual phone number for business in Taiwan, Province Of China that does more than just calls? PBX.IM gives you a complete VoIP solution that helps you connect, scale, and manage communication across channels: calls, SMS, and WhatsApp, all in one place.

Calling from +31 22 345 66
Enjoy crystal-clear calling across Taiwan, Province Of China, from landlines to mobiles and beyond. Experience HD voice quality with 99.999% uptime, and choose local DID numbers in Taipei, Kaohsiung, Taichung and other major cities, plus toll-free, shared-cost and mobile options tailored to your business.
Connect with customers via SMS and WeChat. Send reminders, confirmations, and marketing messages — all managed from one platform.
Let AI Agent answer calls 24/7 in Mandarin and English. Use Zoom Phone integration to make business calls directly within Zoom.
Leveraging Taiwan, Province Of China top carrier networks, we provide high-quality voice services with guaranteed connectivity and deep local expertise.
Largest Taiwanese telecom operator with strong fiber backbone.
Major mobile provider with 5G rollout leadership.

Leading digital telecom brand with converged services.
Build trust with Taiwanese customers by using local, toll-free, and national numbers they recognize. Get DID numbers in Taipei, Kaohsiung, Taichung and other major cities across Taiwan, Province Of China.
Make and receive calls directly within Microsoft Teams, Zoom, or WhatsApp using your Taiwan, Province Of China phone numbers without switching between apps.
Keep your team productive, and give your customers a seamless experience.
PBX.IM integrates seamlessly with your existing business tools, CRM, helpdesk, website, or internal systems.
Your calls are routed through local Taiwanese carriers for the best quality and reliability. Manage everything from one global platform, anywhere in the world.
Navigating Taiwan, Province Of China’s telecom regulations can be challenging. PBX.IM handles the compliance requirements for you, so you can focus on running your business without worrying about local regulations.
PBX.IM connects directly to tier-1 carriers in Taiwan, Province Of China for stable, high-quality voice with minimal latency. Redundant routing and automatic failover keep your calls running no matter what.
Customers are more likely to pick up when they see a local number. PBX.IM gives you geographic, national, and toll-free Taiwan, Province Of China numbers so your calls get answered.
Pay only for what you use with transparent per-minute rates. No hidden fees, no contracts, no unexpected charges on your bill.
Combine reliable Taiwan, Province Of China SIP trunking with unified communications including voice, video, messaging, and collaboration in one scalable platform.
Sign up, configure your settings, and start making calls to Taiwan, Province Of China in minutes with our self-service platform.

Every call is protected end-to-end. TLS encryption secures your call setup data, preventing interception or spoofing of who's calling whom. SRTP encrypts the actual audio, so no one can eavesdrop, even on public networks. With IP whitelisting, user-level permissions, and call destination restrictions, you control exactly who accesses your system. Built to meet GDPR, HIPAA-ready, SOC 2, and ISO 27001 standards.
PBX.IM ensures your SIP trunking meets Taiwan, Province Of China's MIIT regulations, including proper number registration, anti-fraud compliance, and direct partnerships with licensed state carriers. We handle the regulatory complexity so you stay connected and compliant.
Sign Up and Get Your SIP Trunk in Minutes.