[Asterisk-Users] BRIstuff - synchronization with PSTN?

[Niksa Baldun]

A bug in zttool?? OK, if that is the case, is there a way I can verify 
that the span is indeed synchronized with PSTN?

Michael Bielicki wrote:

>it's a bug in zttool
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>On Sat, 26 Feb 2005 18:40:19 +0000, Niksa Baldun <niksa.baldun at lumiss.hr> wrote:
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>>Hello,
>>
>>for a long time I've been having problems with analog modems and faxes
>>communicationg over ISDN BRI lines. Now I began to suspect that this is
>>due to * being out of sync with the PSTN. I have a quadBRI card with
>>first two ports connected to PSTN, and defined as follows:
>>
>>span=1,1,0,ccs,ami
>>span=2,2,0,ccs,ami
>>
>>This should mean that spans 1 and 2 are used as primary and secondary
>>synchronization sources. However, when I check the spans with zttool it
>>says:
>>
>>Sync source: Internally clocked
>>
>>Does this mean that ISDN interface is not synchronized with the PSTN? If
>>so, why, and how can I correct it?
>>
>>Thanks
>>
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