06-25-2008 04:22 AM - edited 03-15-2019 11:31 AM
Hello,
My solution is based on a Cisco 2821 Voice Gateway with two E1 interfaces (One connecting the PSTN and one for old PBX Ericsson). All my FAX machines are connected to old PBX and calls initiated from both sides works fine.
My problem is with FAX machines that can not receive or send faxes. They answer the calls, the send a short fax ton (40ms from debug), but the sending of the pages ends with "Error on Tx" message.
Can you give me a hint?
Here are my configuration parameters:
!
interface Serial0/1/0:15
description -- ERICSSON --
no ip address
encapsulation hdlc
isdn switch-type primary-qsig
isdn protocol-emulate network
isdn incoming-voice modem
no cdp enable
!
interface Serial0/1/1:15
description -- RTC --
no ip address
encapsulation hdlc
isdn switch-type primary-qsig
isdn incoming-voice modem
no cdp enable
!
dial-peer voice 108 pots
description -- to PSTN --
destination-pattern .T
fax rate voice
direct-inward-dial
port 0/1/1:15
forward-digits all
!
dial-peer voice 3 pots
description -- ERICSSON --
destination-pattern 20444..
fax rate voice
direct-inward-dial
port 0/1/0:15
forward-digits all
!
Thank you,
Dan
Solved! Go to Solution.
06-25-2008 04:28 AM
Hi, likely you have not configured "network-clock-select 1 e1 0/1/1" so controller E1 is getting slips. Also check that controller E1 going to PBX should have clock source internal.
Note that the E1 going to PSTN should have switch-type primary-net5, although even qsign doen't make any difference in practice.
Hope this helps, please rate post if it does!
06-25-2008 04:28 AM
Hi, likely you have not configured "network-clock-select 1 e1 0/1/1" so controller E1 is getting slips. Also check that controller E1 going to PBX should have clock source internal.
Note that the E1 going to PSTN should have switch-type primary-net5, although even qsign doen't make any difference in practice.
Hope this helps, please rate post if it does!
06-25-2008 04:39 AM
Hi,
and thank you for your answer and yours advises. I put the commands recommended by you, but this not helped. Can you tell what others think I missed making the faxes message to not be sent.
Many thanks.
06-25-2008 04:41 AM
Please send output of "show network-clocks" and "show controllers E1".
06-25-2008 08:44 AM
Hi,
I retake the teste and, after your commands, all works fine.
Thank you a lot,
Dan
06-25-2008 09:12 AM
Very good, thanks for the appreciation and good luck!
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