Hi I have done everything richard told to do ECT . below is my trace, anyone can help ? -- DAHDI/i1/09123278669-4 answered DAHDI/i1/88050048-3 -- Native bridging DAHDI/i1/88050048-3 and DAHDI/i1/09123278669-4 PRI Span: 1 Adding facility ie contents to send in FACILITY message: PRI Span: 1 ASN.1 dump PRI Span: 1 Context Specific/C [1 0x01] <A1> Len:11 <0B> PRI Span: 1 Integer(2 0x02) <02> Len:1 <01> PRI Span: 1 <04> - "~" PRI Span: 1 OID(6 0x06) <06> Len:6 <06> PRI Span: 1 <04 00 82 71 01 04> - "~~~q~~" PRI Span: 1 ASN.1 end PRI Span: 1 INVOKE Component Context Specific/C [1 0x01] PRI Span: 1 invokeId Integer(2 0x02) = 4 0x0004 PRI Span: 1 operationValue OID(6 0x06) = 4.0.369.1.4 PRI Span: 1 operationValue = ROSE_ETSI_EctLinkIdRequest PRI Span: 1 PRI Span: 1 > DL-DATA request PRI Span: 1 > Protocol Discriminator: Q.931 (8) len=21 PRI Span: 1 > TEI=0 Call Ref: len= 2 (reference 3/0x3) (Sent from originator) PRI Span: 1 > Message Type: FACILITY (98) PRI Span: 1 TEI=0 Transmitting N(S)=14, window is open V(A)=12 K=7 PRI Span: 1 PRI Span: 1 > Protocol Discriminator: Q.931 (8) len=21 PRI Span: 1 > TEI=0 Call Ref: len= 2 (reference 3/0x3) (Sent from originator) PRI Span: 1 > Message Type: FACILITY (98) PRI Span: 1 > [1c 0e 91 a1 0b 02 01 04 06 06 04 00 82 71 01 04] PRI Span: 1 > Facility (len=16, codeset=0) [ 0x91, 0xA1, 0x0B, 0x02, 0x01, 0x04, 0x06, 0x06, 0x04, 0x00, 0x82, 'q', 0x01, 0x04 ] PRI Span: 1 PRI Span: 1 < Protocol Discriminator: Q.931 (8) len=16 PRI Span: 1 < TEI=0 Call Ref: len= 2 (reference 3/0x3) (Sent to originator) PRI Span: 1 < Message Type: FACILITY (98) PRI Span: 1 < [1c 09 91 a3 06 02 01 03 02 01 07] PRI Span: 1 < Facility (len=11, codeset=0) [ 0x91, 0xA3, 0x06, 0x02, 0x01, 0x03, 0x02, 0x01, 0x07 ] PRI Span: 1 Received message for call 0xa9519f8 on link 0xa83ef9c TEI/SAPI 0/0 PRI Span: 1 -- Processing IE 28 (cs0, Facility) PRI Span: 1 -- Delayed processing IE 28 (cs0, Facility) PRI Span: 1 ASN.1 dump PRI Span: 1 Context Specific/C [3 0x03] <A3> Len:6 <06> PRI Span: 1 Integer(2 0x02) <02> Len:1 <01> PRI Span: 1 <03> - "~" PRI Span: 1 Integer(2 0x02) <02> Len:1 <01> PRI Span: 1 <07> - "~" PRI Span: 1 ASN.1 end PRI Span: 1 ERROR Component Context Specific/C [3 0x03] PRI Span: 1 invokeId Integer(2 0x02) = 3 0x0003 PRI Span: 1 errorValue Integer(2 0x02) = 7 0x0007 PRI Span: 1 errorValue = General: Invalid Call State PRI Span: 1 ROSE RETURN ERROR: PRI Span: 1 INVOKE ID: 3 PRI Span: 1 ERROR: General: Invalid Call State PRI Span: 1 PRI Span: 1 < Protocol Discriminator: Q.931 (8) len=16 PRI Span: 1 < TEI=0 Call Ref: len= 2 (reference 3/0x3) (Sent to originator) PRI Span: 1 < Message Type: FACILITY (98) PRI Span: 1 < [1c 09 91 a3 06 02 01 04 02 01 07] PRI Span: 1 < Facility (len=11, codeset=0) [ 0x91, 0xA3, 0x06, 0x02, 0x01, 0x04, 0x02, 0x01, 0x07 ] PRI Span: 1 Received message for call 0xa9519f8 on link 0xa83ef9c TEI/SAPI 0/0 PRI Span: 1 -- Processing IE 28 (cs0, Facility) PRI Span: 1 -- Delayed processing IE 28 (cs0, Facility) PRI Span: 1 ASN.1 dump PRI Span: 1 Context Specific/C [3 0x03] <A3> Len:6 <06> PRI Span: 1 Integer(2 0x02) <02> Len:1 <01> PRI Span: 1 <04> - "~" PRI Span: 1 Integer(2 0x02) <02> Len:1 <01> PRI Span: 1 <07> - "~" PRI Span: 1 ASN.1 end PRI Span: 1 ERROR Component Context Specific/C [3 0x03] PRI Span: 1 invokeId Integer(2 0x02) = 4 0x0004 PRI Span: 1 errorValue Integer(2 0x02) = 7 0x0007 PRI Span: 1 errorValue = General: Invalid Call State PRI Span: 1 ROSE RETURN ERROR: PRI Span: 1 INVOKE ID: 4 PRI Span: 1 ERROR: General: Invalid Call State PRI Span: 1 PRI Span: 1 < Protocol Discriminator: Q.931 (8) len=13 PRI Span: 1 < TEI=0 Call Ref: len= 2 (reference 4/0x4) (Sent to originator) PRI Span: 1 < Message Type: DISCONNECT (69) PRI Span: 1 < [08 02 80 90] PRI Span: 1 < Cause (len= 4) [ Ext: 1 Coding: CCITT (ITU) standard (0) Spare: 0 Location: User (0) PRI Span: 1 < Ext: 1 Cause: Normal Clearing (16), class = Normal Event (1) ] PRI Span: 1 < [1e 02 82 88] PRI Span: 1 < Progress Indicator (len= 4) [ Ext: 1 Coding: CCITT (ITU) standard (0) 0: 0 Location: Public network serving the local user (2) PRI Span: 1 < Ext: 1 Progress Description: Inband information or appropriate pattern now available. (8) ] PRI Span: 1 Received message for call 0xa9760b8 on link 0xa83ef9c TEI/SAPI 0/0 PRI Regards Maani