Call Termination

Say 'hasta la vista' to poor quality calling

Take your business further with direct-to-carrier VoIP termination. Enable outbound calling with unrivalled quality and coverage in Asia-Pacific.

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Direct routing for better quality and control

With Symbio, your calls are routed directly to the terminating carrier. We're interconnected with all fixed and mobile networks across Australia, New Zealand and Singapore.

Fewer 'hops' between you and the terminating network gives you better quality and control. So you can deliver a better call experience.

Diagram of direct routing

Reach major Asia-Pacific markets

Terminate calls via our network in Australia, New Zealand and Singapore. Support high quality outbound calling to fixed, VoIP, mobile, toll free and international numbers.


New Zealand



Local experts, here to help

As a network owner (distinct from an aggregator) we have deep control over our own infrastructure and call routing. If faults arise, we can resolve them directly, so you're not left waiting and wondering.

Local expertise and carrier relationships

24/7 Global Network Operations Center (GNOC)

Clear, always-available escalation paths

Support teams in-country, in time zone

Navigate the compliance minefield

Symbio makes it easier to get the compliance information you need. As a licensed Carriage Service Provider, we stay on top of important regulatory developments affecting Call Termination, including Emergency Calling and Anti-Scam requirements.

Prevent bill shock for international calls

Give your Australian and New Zealand users the freedom to call worldwide – without taking on extra financial risk. Protect your account with real-time balance alerts and a prepaid cap on international call charges. So you’re always in control of your spending.

Implement secure voice calling

Encrypt your voice traffic using SIP Transport Layer Security (TLS) and Secure Real Time Protocol (SRTP). The industry’s highest communications security standards. SIP TLS / SRTP is available in selected Symbio regions – Australia, Singapore, and Malaysia –for both inbound and outbound traffic.

See how Symbio can help you

Get the right balance of call termination cost, quality and control.

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