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Problem with 2921 and fax t.38

Hello Group

we have to renew our gateways and have now new 2921 router with pri interfaces.

now we have Problems sending and receving faxes with t.38. Most of the faxes can be sent and received without any problem. However some are not transmitted at all. Has anyone a similar situation and can give me some hints on how to configure the gateways and waht IOS we could load in order to get all the faxes to be sent and received.

thank you for any hints
Regrds Reto

GW#sh ver
Cisco IOS Software, C2900 Software (C2900-UNIVERSALK9-M), Version 15.3(2)T, RELEASE SOFTWARE (fc3)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2013 by Cisco Systems, Inc.
Compiled Thu 28-Mar-13 11:05 by prod_rel_team

ROM: System Bootstrap, Version 15.0(1r)M16, RELEASE SOFTWARE (fc1)

GW uptime is 14 weeks, 4 days, 2 hours, 23 minutes
System returned to ROM by power-on
System restarted at 11:53:45 MEZ Thu May 30 2013
System image file is "flash:c2900-universalk9-mz.SPA.153-2.T.bin"
Last reload type: Normal Reload
Last reload reason: power-on

Cisco CISCO2921/K9 (revision 1.0) with 479232K/45056K bytes of memory.
Processor board ID xxx
3 Gigabit Ethernet interfaces
124 Serial interfaces
1 terminal line
4 Channelized E1/PRI ports
DRAM configuration is 64 bits wide with parity enabled.
255K bytes of non-volatile configuration memory.
250880K bytes of ATA System CompactFlash 0 (Read/Write)



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1 REPLY

Problem with 2921 and fax t.38

Please start describing the call flow, devices involve, protocols and sh commands from the GW:

sh run

sh version

show isdn status

show controller t1/e1

You may also check the follwoing link:

http://www.cisco.com/en/US/products/sw/voicesw/ps5640/products_configuration_example09186a0080bf23f2.shtml

HTH

--
Jorge Armijo

Please remember to rate helpful responses and identify helpful or correct answers.

-- Jorge Armijo Please remember to rate helpful responses and identify helpful or correct answers.
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