Re: [hylafax-users] US robotics class2.0 modem error detected without successful handshake

["BRIDGWATER SIMON" <SIMON.BRIDGWATER@gruppotc.com>]

I had lots of problems with a USRobotics 56k Fax Modem in Class2.0
You can try these things and see if it works any better:

1) Disable copy-quality since modem doesn't really support it very well.
   MaxConsecutiveBadLines:    0
   PercentGoodLines:          0
2) Disable adaptive-answering (handshaking problems with some fax
machines)
   AdaptiveAnswer:      No
   ModemSetupAACmd:	AT+FAA=0
3) Put a delay between the AT commands (problems with signal detect)
   ModemATCmdDelay:	100
4) Put an X3 instead of X4 (problems with signal detect)
   ModemResultCodesCmd:	ATQ0X3

Although these changes made it work much better I continued to have
problems with some economical FAX telephones and so I decided to
configure the modem in Class1 by running faxaddmodem again and chosing
Class1. This seems to work much better !!

Simon Bridgwater
TC SISTEMA - Brescia
Italy

-----Original Message-----
From:	Shailendra Mehta
Sent:	Thu 1/10/2002 11:38 AM
To:	hylafax (E-mail)
Cc:	
Subject:	[hylafax-users] US robotics class2.0 modem error
detected without successful handshake

Hi all,
I am using hylafax beta 3version on redhat 7.0.
I am using US robotics modem in class 2.0 modem.
I am not able to receive faxes on it it gives following error in log
file:

Jan 10 20:17:51.95: [  375]: SESSION BEGIN 00000002 91832257464
Jan 10 20:17:51.95: [  375]: <-- [4:ATA\r]
Jan 10 20:18:45.39: [  375]: --> [10:NO CARRIER]
Jan 10 20:18:45.39: [  375]: ANSWER: Ring detected without successful
handshake
Jan 10 20:18:45.39: [  375]: SESSION END


Can anybody help me?

--Shailendra S. Mehta
Senior Engineer (Design & Development),
TATA Infotech Ltd,
Mapusa-GOA.



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