Tag Archives: Voip

Add T.38 Fax capabilities in Asterisk 13 and Freebx 12

Fax in Voip Env….. Joy and pain…. In this post I’ll show how to configure Asterisk 13/FreePbx 12 to use T.38 Fax capabilities to receive fax using SpanDSP (FFA not work in Asterisk 13….). IMHO when possible is better configure … Continue reading

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Fax & Voip – Part 2/3

Codec Translation I have already mentioned before. In the path caller->called codecs can change several times, and every transformation can introduce distortion and delay. To minimize fax issues all the legs involved must be using the same codec to avoid … Continue reading

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Fax & Voip – Part 1/3

Certainly there are huge benefits to VoIP, and certainly there will be many people who will be wise to use Voip PBX trunk instead of traditional phone lines. But using Voip PBX you may start to notice that faxing just … Continue reading

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Add Fax capabilities in Asterisk >=13

Beginning with Asterisk 13 Digium will no longer make available the res_fax_digium module (FFA or commercial versione): if you want fax capabilities you should use the res_fax_spandsp module. Yes, I know, it is possible to use IAX modem, but sometimes … Continue reading

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