hi Matt. plz give me any reasones if u can that why does libss7 say this: --------------- *CLI> [Nov 25 01:11:39] ERROR[15836]: chan_zap.c:8498 ss7_linkset: Error in write Unknown error 500 --------------- although the FISU, LSSU & the MSUs are being exchanged correctly b/w the two terminals (as shown in the above posts). The other end is the SIEMENS EWSD V11 exchange, & their end says TANR (Transmission Ack Not Received) for the connection with us. But besides this, the above menssioned error keeps on comming on our CLI after some interval, & that we need to know what is it about? plz help me in this regard or anyone who has tried to connect libss7 or chan_ss7 with SIEMENS EWSD exchange regards -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.digium.com/pipermail/asterisk-ss7/attachments/20061215/7b082b4b/attachment.htm