dial-peer problem from ISDN fax to CUCM via H323

Unanswered Question

We have a ISDN fax connected to a BRI port on the 2800 router. The BRI port is configured as layer 1 to 3 emulate network, so it can talk with fax.

We have configured ad couple of DP :

one (DP #10) to connect to the CUCM server via H323 session, and the other (DP#200) to bind the BRI voice port.


here is the main DP configuration lines:

dial-peer voice 10 voip

description to CUCM

destination-pattern 0T

voice-class h323 1

session target ipv4:192.168.10.10

dtmf-relay h245-alphanumeric

supplementary-service pass-through


dial-peer voice 200 pots

description Peer ISDN FAX

destination-pattern 9199

port 0/1/1


We have a analogic fax (DN 101) on CUCM and we sucesfully send faxes to the ISDN one, but not viceversa.


Attached I will include the output of the "debug voip dialpeer all"

It seem the FAX call cannot reach any output DP because of TYPE mismatch.

I think the router detect fax signal

although the voice-port is configured with a "bearer-cap Speech" option.


how we can route the outgoing fax towards CUCM H323 connection?


Many thanks


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