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receive fax lost words

someone can help me , my fax machine receive fax from PSTN always lost words,but from intranet is OK, the machine is OK ,

fax machine ------ VG224 -----SCCP-----CUCM------ROUTER-------PSTN  this is my topology

i think the porblem is router , my fax protocol is cisco ( i attempt t38 also lost word)

who can tell me how to check this porblem........think very much ...and  i'm sorry... my english is very pool...

1 ACCEPTED SOLUTION

Accepted Solutions
Green

receive fax lost words

Hi,

This type of FAX issue is usually related to
TDM clocking on the voice gateway router.

Can you try adding this to the config :-

!

network-clock-participate wic 0
network-clock-select 1 E1 0/0/0
network-clock-select 2 E1 0/0/1
!

HTH
Alex

Please rate useful posts

Regards, Alex. Please rate useful posts.
3 REPLIES
New Member

receive fax lost words

!
!
!
isdn switch-type primary-net5
!
!
!
voice service voip
allow-connections h323 to h323
allow-connections h323 to sip
allow-connections sip to h323
allow-connections sip to sip
supplementary-service h450.12
fax protocol cisco
h323
  h245 caps mode restricted
modem passthrough nse codec g711alaw maximum-sessions 10000
sip
!
!
!
voice class codec 1
codec preference 1 g711ulaw
codec preference 2 g711alaw
codec preference 3 g729r8
codec preference 4 g728
codec preference 5 ilbc
codec preference 6 g722-48
codec preference 7 g722-56
codec preference 8 g722-64
!
!
!
!
voice class h323 1
  h225 timeout tcp establish 3
  call start slow
!
!
!
!
!
!
!
!
!
!
!
voice translation-rule 1
rule 1
!
voice translation-rule 2
rule 1
!
!
voice translation-profile 1
translate calling 1
translate called 2
!
voice translation-profile 2
translate calling 1
translate called 2
!
!
voice-card 0
dspfarm
dsp services dspfarm
!
!
!
!
!

archive
log config
  hidekeys
!
!
!
!
!
controller E1 0/0/0
framing NO-CRC4
pri-group timeslots 1-31
!
controller E1 0/0/1
framing NO-CRC4
pri-group timeslots 1-31
!
!
!
!
!
interface GigabitEthernet0/0
ip address
duplex auto
speed auto
!
interface GigabitEthernet0/1
no ip address
shutdown
duplex auto
speed auto
!
interface Serial0/0/0:15
no ip address
encapsulation hdlc
isdn switch-type primary-net5
isdn incoming-voice voice
isdn send-alerting
isdn sending-complete
fair-queue 64 256 0
no cdp enable
!
interface Serial0/0/1:15
no ip address
encapsulation hdlc
isdn switch-type primary-net5
isdn incoming-voice voice
isdn send-alerting
isdn sending-complete
fair-queue 64 256 0
no cdp enable
!
ip default-gateway
ip forward-protocol nd
ip route
no ip http server
ip http authentication local
no ip http secure-server
!
!
!
nls resp-timeout 1
cpd cr-id 1
!
!
!
!
!
!
control-plane
!
!
!
voice-port 0/0/0:15
cptone CN
!
voice-port 0/0/1:15
cptone CN
!
!
!
sccp local GigabitEthernet0/0
sccp ccm              identifier 1 version 7.0
sccp
!
sccp ccm group 1
associate ccm 1 priority 1
associate profile 1 register cfbdc7b94d9c600
!
dspfarm profile 1 conference 
codec g711ulaw
codec g711alaw
codec g729ar8
codec g729abr8
codec g729r8
codec g729br8
maximum sessions 4
associate application SCCP
!
!
dial-peer voice 3 pots
translation-profile incoming 2
translation-profile outgoing 1
destination-pattern 9.T
progress_ind alert enable 8
progress_ind progress enable 8
progress_ind connect enable 8
incoming called-number .
fax rate disable
direct-inward-dial
port 0/0/0:15
!
dial-peer voice 1 voip
destination-pattern 5...
no modem passthrough
session target ipv4:
dtmf-relay rtp-nte h245-signal h245-alphanumeric
codec g711ulaw
no vad
!
dial-peer voice 4 pots
translation-profile incoming 2
translation-profile outgoing 1
destination-pattern 9.T
progress_ind alert enable 8
progress_ind progress enable 8
progress_ind connect enable 8
incoming called-number .
fax rate disable
direct-inward-dial
port 0/0/1:15

this is my router configure

Green

receive fax lost words

Hi,

This type of FAX issue is usually related to
TDM clocking on the voice gateway router.

Can you try adding this to the config :-

!

network-clock-participate wic 0
network-clock-select 1 E1 0/0/0
network-clock-select 2 E1 0/0/1
!

HTH
Alex

Please rate useful posts

Regards, Alex. Please rate useful posts.
New Member

receive fax lost words

thanks very much

now the fax is ok

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