Hi Ronald,
G.729 will not carry FAX. G.711 will, but over IP it still tends to be flaky. Reliable FAX over IP requires T.38.
Steve
Ronald Ramos wrote:
Hi All,
I was trying to test to send a fax to an international number. Here's the setup:
FAX --> HT486 --> SIP PROXY --> GATEWAY --> PSTN --> FAX
Unfortunately I haven't been able to do it, I read somewhere that fax uses G711 only, is this true? because our gateway provider uses only G729. does this mean I can't send fax via that gateway, because of the codec?
So can i do this then,
FAX --> HT486 --> SIP PROXY --> HT486 --> FAX
i'll use G711 on both HT486.
Hope anyone can help me. Thanks in advanced.
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