[Asterisk-Users] Hardware Compatibility and zaptel driver

[Nir Simionovich]

MessageHi All,

  Well, as some of you alrady saw myself and Optimus on the IRC channel, I guess you already
know us. In any case, I've been battling the following issues during the past few days:

1. My Telco claims that he can see many CRC4 errors originating from my side of the PRI line. 
    Although I see that everything looks fine, I can't really see if there is a CRC4 problem. I've 
    managed to play around with zaptel.conf, and when I set the tonezone to FR, the number 
    of errors decreases. I think that the problem resides withing the definition in the zonedata.c
    file, however, I didn't find any explenation of the files syntax. 
    I may be barking up the wrong tree here, but if anybody has a better idea, I'd love to hear it.

2. I've been asked to find some additional hardware to work with, and the only thing listed as a 
    PRI line card on the Digium site is Dialogic. Dialogic E1 cards cost around 6000$ !!! Which 
    about 10 times more than Digium. Has anyone got any experience with another PRI card that
    works with Asterisk?

  Apart from these 2 issues all is working fine, and we are very happy with the Asterisk. I will be 
sending everybody some nice figures soon, so hold on tight. Oh, just to do something funny, try
performing the next trick:

  Configure a single PRI line with 30 channels, call the first channel which calls the second channel,
which calls the third channel and so on, till you get to 30. Now, take the target phone ear piece, and
bring it up to the microphone of the source number. Say something next to it, and you will hear the
delay of voice on your machine :-) Results tend to be very amuzing :-)

Nir S
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