Softswitches & IP-PBXes
This section contains a listing of all Softswitches & IP-PBX systems that have been certified by T38Fax.com, as well as a configuration guide for each associated platform.
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3CX Setup Guide for Power-T.38 SIP Trunks
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Asterisk Design Guide
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FusionPBX
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FreeSWITCH
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FreePBX
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NetSapiens
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Digium Switchvox
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Telinta
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Grandstream: UCM6510 Series IP-PBX
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Grandstream: UCM6200 Series IP-PBX
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Grandstream: UCM6100 Series IP-PBX
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FreePBX - PJSIP - Registration Auth
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FreePBX - PJSIP - IP Auth
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FreePBX - chan_sip - Registration Auth
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FreePBX - chan_sip - IP Auth
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Asterisk