enabled debug isdn Q931 and Q921,

recieving the below logs,

Layer 1, 2 are active, layer is also fine, still not sure, as tested by telco, voice and data calls are happening in this line,

Error message

Router#isdn test call interface s2/0:15 4019225

000435: May 4 15:18:13.736 GMT: ISDN Se2/0:15 Q931: Applying typeplan for sw-type 0x12 is 0x0 0x1, Called num 4019225

000436: May 4 15:18:13.736 GMT: ISDN Se2/0:15 Q921: User TX -> INFO sapi=0 tei=0, ns=75 nr=35

000437: May 4 15:18:13.736 GMT: ISDN Se2/0:15 Q931: SETUP pd = 8 callref = 0x00A6

Bearer Capability i = 0x8890

Standard = CCITT

Transfer Capability = Unrestricted Digital

Transfer Mode = Circuit

Transfer Rate = 64 kbit/s

Channel ID i = 0xA98388

Exclusive, Channel 8

Called Party Number i = 0x81, '4019225'

Plan:ISDN, Type:Unknown

000438: May 4 15:18:13.744 GMT: ISDN Se2/0:15 Q921: User RX <- RR sapi=0 tei=0 nr=76

000439: May 4 15:18:13.812 GMT: ISDN Se2/0:15 Q921: User RX <- INFO sapi=0 tei=0, ns=35 nr=76

000440: May 4 15:18:13.812 GMT: ISDN Se2/0:15 Q931: SETUP_ACK pd = 8 callref = 0x80A6

Channel ID i = 0xA98388

Exclusive, Channel 8

000441: May 4 15:18:13.812 GMT: ISDN Se2/0:15 Q921: User TX -> RR sapi=0 tei=0 nr=36

000442: May 4 15:18:13.939 GMT: ISDN Se2/0:15 Q921: User RX <- INFO sapi=0 tei=0, ns=36 nr=76

000443: May 4 15:18:13.939 GMT: ISDN Se2/0:15 Q931: CALL_PROC pd = 8 callref = 0x80A6

000444: May 4 15:18:13.939 GMT: ISDN Se2/0:15 Q921: User TX -> RR sapi=0 tei=0 nr=37

000445: May 4 15:18:14.619 GMT: ISDN Se2/0:15 Q921: User RX <- INFO sapi=0 tei=0, ns=37 nr=76

000446: May 4 15:18:14.619 GMT: ISDN Se2/0:15 Q931: DISCONNECT pd = 8 callref = 0x80A6

Cause i = 0x85D8 - Incompatible destination

000447: May 4 15:18:14.619 GMT: ISDN Se2/0:15 Q921: User TX -> RR sapi=0 tei=0 nr=38

000448: May 4 15:18:14.651 GMT: ISDN Se2/0:15 Q921: User TX -> INFO sapi=0 tei=0, ns=76 nr=38

000449: May 4 15:18:14.651 GMT: ISDN Se2/0:15 Q931: RELEASE pd = 8 callref = 0x00A6

000450: May 4 15:18:14.659 GMT: ISDN Se2/0:15 Q921: User RX <- RR sapi=0 tei=0 nr=77

000451: May 4 15:18:14.703 GMT: ISDN Se2/0:15 Q921: User RX <- INFO sapi=0 tei=0, ns=38 nr=77

000452: May 4 15:18:14.703 GMT: ISDN Se2/0:15 Q931: RELEASE_COMP pd = 8 callref = 0x80A6

000453: May 4 15:18:14.703 GMT: ISDN Se2/0:15 Q921: User TX -> RR sapi=0 tei=0 nr=39

Router#

Calls are not getting placed.

Suggestions pls.