Hylafax error

Siju Nair <[email protected]> Sun, 25 Jun 2017 19:56:36 +0530
Newsgroups gmane.comp.telephony.fax.hylafax.user
Message-ID <[email protected]>
Hi team,

I got a below error while sending fax 

"Failed : failure to retain remote modem at 2400 bps or minimum speed; too many attempts to send 

What does it mean and how can I fix the same. 

Sent from my iPhone

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