Not every business is ready to rip out a working PBX system. Exigo Tech delivers converged Enterprise SIP solutions in partnership with Telstra that connect your existing phone infrastructure over a SIP trunk, so you get modern connectivity without a full hardware replacement.
Protect Existing Investments
Continue leveraging existing PBX infrastructure while introducing modern SIP connectivity and communication capabilities.
Simplify Multi-Site Communications
Consolidate voice services across offices and locations through centralised SIP trunking and unified management.
Carrier-Grade Reliability
Leverage Telstra's network infrastructure to support business-critical communications with enterprise-grade resilience and availability.
Lower Communication Costs
Reduce line rental overheads and optimise telephony expenses through more efficient SIP-based service delivery.
Future Communications Readiness
Create a migration pathway toward unified communications and cloud telephony without the need for immediate replacement projects.
Our Enterprise SIP services connect what you already have to modern, carrier-grade connectivity.
Enterprise SIP Strategy & Readiness
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SIP Trunk Architecture & Design
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Unified Communications Integration
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Voice Managed Services
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A practical roadmap built on current-state challenges.
Enterprise SIP architecture, delivered with Telstra, aligning business processes.
Voice, video, and messaging connected to reduce silos.
Ownership, controls, and standards for managed voice services.
Extend the life and value of existing telephony infrastructure while gaining access to modern communication capabilities.
Lower ongoing telephony expenses through SIP consolidation and more efficient service delivery models.
Manage communications across multiple locations through a unified and centrally controlled environment.
Improve service resilience through Telstra-backed connectivity and enterprise-grade network infrastructure.
Create a practical pathway toward unified communications and cloud-first telephony strategies when the organisation is ready.
Extend the life and value of existing telephony infrastructure while gaining access to modern communication capabilities.
Lower ongoing telephony expenses through SIP consolidation and more efficient service delivery models.
Manage communications across multiple locations through a unified and centrally controlled environment.
Improve service resilience through Telstra-backed connectivity and enterprise-grade network infrastructure.
Create a practical pathway toward unified communications and cloud-first telephony strategies when the organisation is ready.
Book a free assessment to see how Enterprise SIP can modernise your connectivity without forcing a hardware replacement.




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Learn moreYes. Exigo Tech delivers converged Enterprise SIP solutions in partnership with Telstra, connecting your existing PBX or calling infrastructure over a SIP trunk.
Enterprise SIP connects your existing PBX or calling infrastructure over a SIP trunk, while TIPT is Telstra's fully cloud-hosted telephony platform.
No. Enterprise SIP is specifically designed to connect to your existing PBX infrastructure over a SIP trunk, without requiring a hardware replacement.
Savings vary by call volume and current line arrangement, but consolidating multiple traditional lines into SIP trunks commonly reduces both line rental and per-call costs. Our assessment can quantify this for your specific setup.
Book a free consultation with our experts today. We'll analyze your current infrastructure and provide actionable recommendations.