铁通PRI呼入有时获得到呼入号码，有时获取不到，求解

日志：
PRI Span: 2 < Protocol Discriminator: Q.931 ( len=5
PRI Span: 2 < TEI=0 Call Ref: len= 2 (reference 1793/0x701) (Sent from originator)
PRI Span: 2 < Message Type: RELEASE COMPLETE (90)
Span 2: Processing event PRI_EVENT_HANGUP_ACK(9)
PRI Span: 2
PRI Span: 2 < Protocol Discriminator: Q.931 ( len=43
PRI Span: 2 < TEI=0 Call Ref: len= 2 (reference 2305/0x901) (Sent from originator)
PRI Span: 2 < Message Type: SETUP (5)
PRI Span: 2 < [04 03 90 90 a3]
PRI Span: 2 < Bearer Capability (len= 5) [ Ext: 1 Coding-Std: 0 Info transfer capability: 3.1kHz audio (16)
PRI Span: 2 < Ext: 1 Trans mode/rate: 64kbps, circuit-mode (16)
PRI Span: 2 < User information layer 1: A-Law (35)
PRI Span: 2 < [18 03 a9 83 99]
PRI Span: 2 < Channel ID (len= 5) [ Ext: 1 IntID: Implicit Other(PRI) Spare: 0 Exclusive Dchan: 0
PRI Span: 2 < ChanSel: As indicated in following octets
PRI Span: 2 < Ext: 1 Coding: 0 Number Specified Channel Type: 3
PRI Span: 2 < Ext: 1 Channel: 25 Type: CPE]
PRI Span: 2 < [1e 02 84 83]
PRI Span: 2 < Progress Indicator (len= 4) [ Ext: 1 Coding: CCITT (ITU) standard (0) 0: 0 Location: Public network serving the remote user (4)
PRI Span: 2 < Ext: 1 Progress Description: Calling equipment is non-ISDN. (3) ]
PRI Span: 2 < [ec]
[Jun 28 12:00:29] ERROR[23007]: chan_dahdi.c:14449 dahdi_pri_error: PRI Span: 2 !! < Unknown IE 224 (cs0, len = 1)
PRI Span: 2 Not enough room for codeset:0 ie:10(0a)
PRI Span: 2 !! Unknown IE 236 (cs0)
[Jun 28 12:00:29] ERROR[23007]: chan_dahdi.c:14449 dahdi_pri_error: PRI Span: 2 XXX Message longer than it should be?? XXX
Span 2: Processing event PRI_EVENT_RING(5)

i] Last edited by card at 2013-6-28 14:21 [/i