Dear All, I am testing one of your E1 cards "D110P" with chan_ss7. When I connected 2 cards back to back they worked perfectly and I forwarded some calls from one asterisk box to the other. When I connected them to our ss7 provider. I get some errors in asterisk logs. Here is sample of these errors: Jul 19 13:04:13 NOTICE[3267] mtp.c: MTP changeover last_ack=4, last_sent=4, from schannel 1, no INSERVICE schannel found Jul 19 13:04:13 NOTICE[3267] mtp.c: Failover not possible, no other signalling link and no other host available. Jul 19 13:04:13 NOTICE[3267] mtp.c: Excessive poll delay 4943! Jul 19 13:04:13 NOTICE[3267] mtp.c: Full Zaptel input buffer detected, incoming packets may have been lost on link '|1'. Jul 19 13:04:13 NOTICE[3267] mtp.c: Empty Zaptel output buffer detected, outgoing packets may have been lost on link '|1'. Jul 19 13:04:13 NOTICE[3267] mtp.c: MTP2 CRC error (CRC=0xf863 != 0xf0b8) on link '|1'. Jul 19 13:04:13 DEBUG[3267] mtp.c: Last raw bits on link '|1': 1c 18 0c 0e 9d 67 e2 1c 18 0c 0e 9d 67 e2 1c 18 0c 0e 9d 67 e2 1c 18 0c 0e 9d 67 e2 1c 18 0c 0e 67 e2 1c 18 Jul 19 13:04:13 NOTICE[3267] mtp.c: Got event on link '|1': 5 (0/11). Jul 19 13:04:13 NOTICE[3267] mtp.c: Got event on link '|1': 4 (0/11). Jul 19 13:04:13 NOTICE[3267] mtp.c: Got event on link '|1': 5 (0/11). Jul 19 13:04:14 NOTICE[3267] mtp.c: Got event on link '|1': 4 (0/11). Jul 19 13:04:14 NOTICE[3267] mtp.c: Got event on link '|1': 5 (0/11). Jul 19 13:04:14 NOTICE[3267] mtp.c: Got event on link '|1': 4 (0/11). Jul 19 13:04:14 NOTICE[3267] mtp.c: Got event on link '|1': 5 (0/11). Jul 19 13:04:14 NOTICE[3267] mtp.c: Got event on link '|1': 4 (0/11). Jul 19 13:04:14 NOTICE[3267] mtp.c: Got event on link '|1': 5 (0/11). Jul 19 13:04:14 DEBUG[3267] mtp.c: Restarting initial alignment on link '|1'. Jul 19 13:04:14 NOTICE[3267] mtp.c: Got event on link '|1': 4 (0/11). Jul 19 13:04:15 DEBUG[3267] mtp.c: MTP2 bitstream frame format error, entering octet counting mode on link '|1'. Jul 19 13:04:15 DEBUG[3267] mtp.c: Last raw bits on link '|1': d8 0c 03 d2 b7 ef be fb 01 80 7a 56 fd f7 df 60 30 0f 4a df be fb ec 06 01 e9 5b f7 df 7d 80 c0 ff ff ff ff Jul 19 13:04:16 DEBUG[3267] mtp.c: Restarting initial alignment on link '|1'. When I added crc4 to the zaptel configuration the ISUP and MTP messages stopped on the link and no log entries I am not sure about the E1 / T1 Jumper. I do not have easy physical access to the server so I used the following command to override the jumper settings insmod /lib/modules/2.6.9-34.0.2.EL/extra/wcte11xp.ko t1e1override=15 Do I have to change it physically to avoid any confusion ? I have attached a pcap capture of the traffic on the wire. I am currently using chan_ss7. Should I test with libss7 the native ss7 implementation ? Here is my zaptel config: span=1,1,0,ccs,hdb3 bchan=1-31 # Span 1: WCT1/0 "Digium Wildcard TE110P T1/E1 Card 0" # channel 1, WCT1, unhandled for now # channel 2, WCT1, unhandled for now # channel 3, WCT1, unhandled for now # channel 4, WCT1, unhandled for now # channel 5, WCT1, unhandled for now # channel 6, WCT1, unhandled for now # channel 7, WCT1, unhandled for now # channel 8, WCT1, unhandled for now # channel 9, WCT1, unhandled for now # channel 10, WCT1, unhandled for now # channel 11, WCT1, unhandled for now # channel 12, WCT1, unhandled for now # channel 13, WCT1, unhandled for now # channel 14, WCT1, unhandled for now # channel 15, WCT1, unhandled for now # channel 16, WCT1, unhandled for now # channel 17, WCT1, unhandled for now # channel 18, WCT1, unhandled for now # channel 19, WCT1, unhandled for now # channel 20, WCT1, unhandled for now # channel 21, WCT1, unhandled for now # channel 22, WCT1, unhandled for now # channel 23, WCT1, unhandled for now # channel 24, WCT1, unhandled for now # channel 25, WCT1, unhandled for now # channel 26, WCT1, unhandled for now # channel 27, WCT1, unhandled for now # channel 28, WCT1, unhandled for now # channel 29, WCT1, unhandled for now # channel 30, WCT1, unhandled for now # channel 31, WCT1, unhandled for now Here is my ss7.conf: [linkset-siuc] enabled => yes enable_st => no use_connect => yes hunting_policy => even_mru context => ss7 language => en subservice => auto [link-|1] linkset => siuc channels => 2-31 schannel => 1 firstcic => 2 enabled => yes [host-asterisk2.local] enabled => yes opc => 0x43d dpc => siuc:0x854 links => |1:1 Any Help will be appreciated ===================================== Mostafa Ibrahim Security Department Manager ValueSyS website: http://www.valuesys.net Tel: +202 22682552 +202 2682887 Fax: +202 22674346 Mobile: +2 0181008194 Email: mostafa.ibrahim at valuesys.net ====================================== -------------- next part -------------- An HTML attachment was scrubbed... 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