On Nov 24, 2004, at 10:09 AM, Alfred Certain wrote: <snip>
1- PSTN provides the E1/PRI (EuroISDN)
2- Asterisk receives the PRI
3- Asterisk provides a second PRI to Panasonic
4- Panasonic receives the asterisk PRI

<snip>
Follow is the relevant config section of the files:

ZAPTEL.CONF

span=1,0,0,ccs,hdb3,crc4 span=2,0,0,ccs,hdb3,crc4

<Snip>

Whichever of the 2 spans is from the PSTN should be providing clocking...

i.e.
span=1,1,0,css,hdb3,crc4

Otherwise you may get clock slips on one or the other interface... also make sure the panasonic is getting clocking from the Asterisk server. That is clocking for the PRI's should go from the PSTN connect to the Asterisk server to the Panasonic otherwise you may well run into problems like this.

Later;
Tim

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