Authorized Channel Partner: Enghouse Interactive & Sangoma
Sales: kshong@invanix.co.kr | Tech Support: jhchang@invanix.co.kr
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Enterprise FoIP Architecture

INVANIX Fax Solution Portfolio

Tailored and dependable fax infrastructure for any enterprise network environment.

INVANIX Primary Focus Solution

FreeSWITCH Fax Engine & Sangoma Vega Gateways

Combining the proven T.38 packet relay stability of Sangoma Vega VoIP Gateways with the open-source FreeSWITCH (mod_spandsp) fax engine eliminates costly proprietary hardware and delivers exceptional cost efficiency.

Full Legacy Telephony Interoperability

Converts Vega 50/3000G (Analog FXS/FXO) and Vega 100G~400G (1~4 E1 PRI digital circuits) into lossless SIP/T.38 packets.

Local Survivability

Guarantees continuous uptime with automatic PSTN trunk bypass routing even during internal IP network disruptions.

Flexible FreeSWITCH Logic Customization

Easily integrate Email-to-Fax, Web Fax portals, and automated PDF document delivery into your ERP and groupware.

Architecture Diagram T.38 / V.17
[User UI / Web Fax Portal / ERP System]
REST / SIP Signaling
[FreeSWITCH Fax Engine (mod_spandsp)]
SIP / T.38 Relay
[Sangoma Vega Gateway (100G~400G / 50/3000G)]
PSTN / E1 PRI / FXS
[Carrier PSTN/E1 & Analog Fax MFPs]
Pure IP (SIP) Networks Only

Enghouse PowerMedia XMS (Dialogic SR140 V.34 FoIP)

*For clients with pure IP (SIP) networks: Built on the verified Dialogic SR140 software stack, providing V.34 (up to 33.6kbps) high-speed fax processing in a 100% virtualized environment without E1 gateway dependency.

Full V.34 Super G3 Support

Cuts transmission time by more than 50% compared to standard V.17 (14.4kbps), dramatically reducing session occupancy costs for high-volume delivery.

100% Pure Software Virtualization

Deployable across VMware, KVM, Docker, AWS, and Azure with channel-based elastic licensing.

Dialogic SR140 Global Standard

Field-proven FoIP software engine trusted by global financial institutions and telecom service providers for decades.

V.34 Speed Benchmark
Standard FoIP (V.17 - 14.4kbps) ~45-60s / page
PowerMedia XMS (V.34 - 33.6kbps) ~15-25s / page (2x+ Faster)
Maximizes performance and reduces telecom line costs for large-scale enterprise fax ASP platforms.