Tag Archives: Patton

Fax & Voip – Part 3/3 – Baud Rate & Fax Relay

Decrease Baud Rate and turning off ECM Packet loss, jitter, and latency all add up to corrupt a fax transmission in VoIP env and unfortunately also in Asterisk PBX. When a fax machine determines that some data is lost, it … Continue reading

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Fax & Voip – Part 2/3 – From Vad to Clock……

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 – All about codec in Fax transmission

Certainly there are huge benefits in adopting VoIP technology (i.e. Asterisk PBX), 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 … Continue reading

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Patton SmartNode SN4970 & Gateway Cisco 2921

This is the pinout to connect the ISDN/PRI plug from Cisco 2921 to Patton SmartNode ISDN/BRI.

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