FAQ

Is my Self-Care Password the same as my SIP Password?

How many simultaneous fax calls can I send/receive?

How do I dial out of your Service?

What is ECM and why do I need it?

Can I place voice calls using T38Fax?

Are international calls supported?

Does T38Fax.com store my Faxes?

Does T38Fax.com support DTMF?

Typical Use Case Scenarios

How do I contact Support?

How does T.38 Work?

Using T.38 versus G.711 Pass-through

Can I use a non-fax modem with T38Fax?

T38Fax IP Addresses and Port Usage