[Asterisk-Users] TE410P + SPANDSP fax problem

[Ma Zhiyong]

Hi, Steve
    Thank you for your hard work.
    Yes, I use EuroISDN. My four E1s connect to an Alcatel S12 Switch that works on PSTN. My Telco. turn CRC4 off, so do I.
    And I'll ask them turn it on.

    I have no X-Windows problem. I run * on Redhat 9.0 and my run level is 3.



That doesn't tell us very much, unless you tell us where these 4 E1s 
connect to. Should CRC4 really be switched off? I assume you are using 
EuroISDN, since you have CCS enabled. That usually works with CRC4 on, 
although some telcos do the wrong (read flaky) thing and turn CRC4 off.

As well as clock sourcing, another thing causing data slips on many 
machines is using X-windows. Even on really fast machines the rapid 
interrupts from the frame buffer used for X-windows causes data loss.

Regards,
Steve

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