Now i have a pri in my network,but it doesnot work. Please help me. Thanks. The following message is: show isdn status Global ISDN Switchtype = primary-net5 ISDN Serial0/0:15 interface dsl 0, interface ISDN Switchtype = primary-net5 Layer 1 Status: ACTIVE Layer 2 Status: TEI = 0, Ces = 1, SAPI = 0, State = TEI_ASSIGNED Layer 3 Status: 0 Active Layer 3 Call(s) Activated dsl 0 CCBs = 0 The Free Channel Mask: 0xFFFF7FFF Total Allocated ISDN CCBs = 0 Debug isdn q921 3d17h: ISDN Se0/0:15: TX -> SABMEp sapi = 0 tei = 127 3d17h: ISDN Se0/0:15: RX SABMEp sapi = 0 tei = 0 3d17h: ISDN Se0/0:15: RX SABMEp sapi = 0 tei = 0 3d17h: ISDN Se0/0:15: RX SABMEp sapi = 0 tei = 0 3d17h: ISDN Se0/0:15: RX <- UAf sapi = 0 tei = 0 3d17h: %ISDN-6-LAYER2DOWN: Layer 2 for Interface Se0/0:15, TEI 0 changed to down 3d17h: ISDN Se0/0:15: Event: received NL_REL_IND 3d17h: ISDN Se0/0:15: RX <- RRp sapi = 0 tei = 0 nr = 0 3d17h: ISDN Se0/0:15: RX <- RRp sapi = 0 tei = 0 nr = 0 3d17h: ISDN Se0/0:15: RX <- RRp sapi = 0 tei = 0 nr = 0 3d17h: ISDN Se0/0:15: RX <- RRp sapi = 0 tei = 0 nr = 0 3d17h: ISDN Se0/0:15: RX <- SABMEp sapi = 0 tei = 0 3d17h: ISDN Se0/0:15: RX <- SABMEp sapi = 0 tei = 0 3d17h: ISDN Se0/0:15: RX <- SABMEp sapi = 0 tei = 0 3d17h: ISDN Se0/0:15: RX <- SABMEp sapi = 0 tei = 0 3d17h: ISDN Se0/0:15: RX <- SABMEp sapi = 0 tei = 0 3d17h: ISDN Se0/0:15: RX <- SABMEp sapi = 0 tei = 0 Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=1673&t=1673 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]