aymen warfalli wrote: > > Hi > yes I got hooking the two asterisk boxes with cross E1 2 meter length using libss7 I had change my Zapata and extensions.conf it is working fine (thanks for the advice )andit is working fine for 4 hours without any errors but when the two box running for continues two days found in many error messages in one of the asterisk box cli each while the another one is clear cli ? > Is it normal or related with boxes clock time > ERROR [11524]: chan_zap.c :9324 ss7_linkset: Errorin write Unknown error 500 ? Those should not cause a problem since libss7 only clears messages to be written from its internal message queues only when it is able to make a write without a return error code. At the very least, it is a benign problem, and definitely should not cause any link related problems. One of these days I'll probably remove that message. -- Matthew Fredrickson Software/Firmware Engineer Digium, Inc.