Понимаю, что пишу не в тот форум, но тут же есть знатоки Cisco? ;)

Натолкните на мысль...
Конечно же в интернете искал, но пока еще не нашел. ;(

Есть Cisco 1751-V (MPC860P) processor (revision 0x200) with 83559K/14745K bytes of memory.
Cisco IOS Software, C1700 Software (C1700-IPVOICE-M), Version 12.3(4)XQ1, RELEASE SOFTWARE (fc1)
На нее заведено 1/2 E1 (15 каналов).
При интенсивном использовании начали появляться сообщения

.Aug 21 19:08:44: ISDN Se1/0:15 Q931: RX <- SETUP pd = 8  callref = 0x0006

        Sending Complete

        Bearer Capability i = 0x9090A3

                Standard = CCITT

                Transer Capability = 3.1kHz Audio

                Transfer Mode = Circuit

                Transfer Rate = 64 kbit/s

        Channel ID i = 0xA1838F

                Preferred, Channel 15

        Progress Ind i = 0x8A81 - Call not end-to-end ISDN, may have in-band info

        Calling Party Number i = 0x2183, 'XXXXXXX'

                Plan:ISDN, Type:National

        Called Party Number i = 0x81, 'XXXXXXX'

                Plan:ISDN, Type:Unknown

.Aug 21 19:08:44: ISDN Se1/0:15 **ERROR**: cdapi_process_connect_resp: cdapi sez to reject the call (appl rejected?)

.Aug 21 19:08:44: ISDN Se1/0:15 Q931: TX -> RELEASE_COMP pd = 8  callref = 0x8006

        Cause i = 0x8091 - User busy

Клиент получает занято. ;( Причем в это время может быть не занято ни одного канала!
Наблюдал только на входящих звонках, но мог и не заметить исходящие. ;(

Вот конфигурация:

!

voice call convert-discpi-to-prog always

!

controller E1 1/0

 pri-group timeslots 1-16

!

interface Serial1/0:15

 no ip address

 no logging event link-status

 isdn switch-type primary-net5

 isdn incoming-voice voice

 isdn send-alerting

 isdn disconnect-cause busy

 isdn bchan-number-order ascending

 isdn sending-complete

 no cdp enable

!

!

dial-peer voice 100 pots

 application session

 destination-pattern .T

 progress_ind setup enable 3

 progress_ind progress enable 8

 progress_ind disconnect enable 8

 direct-inward-dial

 port 1/0:15

 forward-digits all

!

dial-peer voice 200 voip

 tone ringback alert-no-PI

 huntstop

 destination-pattern XXXXXX[XX]

 voice-class codec 2

 session protocol sipv2

 session target ipv4:192.168.XXX.XXX

 dtmf-relay rtp-nte

 fax-relay ecm disable

 fax rate 9600

 fax protocol pass-through g711ulaw

 no vad

!

Ткните носом туда, где я ошибся.
Сильно не пинать -- с E1 раньше дела не имел...

Bug #CSCef05399
described at http://www.cisco.com/univercd/cc/td/doc/product/software/ios123/123relnt/xprn123/123mcavs.htm

Solution - update version.

Дамс...
А где взять ISO поновее и чтобы влез? ;)

Cisco IOS Software, C1700 Software (C1700-IPVOICE-M), Version 12.3(4)XQ1, RELEASE SOFTWARE (fc1)

Synched to technology version 12.3(7.3)T

Technical Support: http://www.cisco.com/techsupport

Copyright (c) 1986-2005 by Cisco Systems, Inc.

Compiled Thu 27-Jan-05 20:03 by ealyon



ROM: System Bootstrap, Version 12.2(1r)XE1, RELEASE SOFTWARE (fc1)

ROM: Cisco IOS Software, C1700 Software (C1700-IPVOICE-M), Version 12.3(4)XQ1, RELEASE SOFTWARE (fc1)



voipe1 uptime is 1 week, 5 days, 20 hours, 1 minute

System returned to ROM by power-on

System restarted at 10:11:19 UTC Wed Aug 9 2006

System image file is "flash:c1700-ipvoice-mz.123-4.XQ1.bin"



Cisco 1751-V (MPC860P) processor (revision 0x200) with 83559K/14745K bytes of memory.

Processor board ID JAD0550047E (94714533), with hardware revision 0000

MPC860P processor: part number 5, mask 2

1 Ethernet interface

1 FastEthernet interface

16 Serial interfaces

1 Channelized E1/PRI port

2 Voice FXS interfaces

32K bytes of NVRAM.

32768K bytes of processor board System flash (Read/Write)



Configuration register is 0x2102

Можешь подгружать поновее версию по ТФТП, чтобы не апгрейдить флэш.