[cisco-voip] Fax on FXS problem

Tue Jul 27 12:06:01 EDT 2010

There are no VOIP legs involved in the call at all.

FAX machine>>>FXS port>>>PRI E1 "same router">>>>PSTN.

 Best Regards;

  Ahmed Elnagar

  Senior Network PS Engineer

  Mob: +2019-0016211

  CCIE#24697 (Voice)

From: Scott Voll [mailto:svoll.voip at gmail.com] 
Sent: Tuesday, July 27, 2010 6:34 PM
To: Ahmed Elnagar
Cc: cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] Fax on FXS problem

fax relay setup?

G729?

Scott

On Tue, Jul 27, 2010 at 7:26 AM, Ahmed Elnagar <
ahmed_elnagar at rayacorp.com> wrote:

Dear all;

I have a strange problem here:

I have a h323 voice gateway with FXS connected to a FAX machine and an
E1 PRI port to the Telco; when connecting analog phone to the port calls
are working normally "in and out" when connect a fax I can receive faxes
but not send...although I am able to send faxes to a remote site over
the WAN but cannot use the local E1 on the router to send faxes...below
is the error I got from the debug

013747: *Jul 27 11:38:22.813 UTC: ISDN Se0/0/0:15 Q931: Applying
typeplan for sw-type 0x12 is 0x0 0x1, Calling num 0238271333

013748: *Jul 27 11:38:22.813 UTC: ISDN Se0/0/0:15 Q931: Sending SETUP
callref = 0x021E callID = 0x81B0 switch = primary-net5 interface = User 

013749: *Jul 27 11:38:22.813 UTC: ISDN Se0/0/0:15 Q931: TX -> SETUP pd =
8  callref = 0x021E 

        Bearer Capability i = 0x8090A3 

                Standard = CCITT 

                Transfer Capability = Speech  

                Transfer Mode = Circuit 

                Transfer Rate = 64 kbit/s 

        Channel ID i = 0xA98382 

                Exclusive, Channel 2 

        Progress Ind i = 0x8183 - Origination address is non-ISDN  

        Calling Party Number i = 0x0180, '0238271333' 

                Plan:ISDN, Type:Unknown 

        Called Party Number i = 0x81, '38271499' 

                Plan:ISDN, Type:Unknown

013750: *Jul 27 11:38:22.849 UTC: ISDN Se0/0/0:15 Q931: RX <- SETUP_ACK
pd = 8  callref = 0x821E 

        Channel ID i = 0xA98382 

                Exclusive, Channel 2

013751: *Jul 27 11:38:23.005 UTC: ISDN Se0/0/0:15 Q931: RX <- CALL_PROC
pd = 8  callref = 0x821E

013752: *Jul 27 11:38:23.013 UTC: ISDN Se0/0/0:15 Q931: RX <- ALERTING
pd = 8  callref = 0x821E 

        Progress Ind i = 0x8488 - In-band info or appropriate now
available 

013753: *Jul 27 11:38:25.001 UTC: ISDN Se0/0/0:15 Q931: RX <- CONNECT pd
= 8  callref = 0x821E 

        Date/Time i = 0x0A071B0E26 

                Date (dd-mm-yr)   = 10-07-27 

                Time (hr:mnt:sec) = 14:38:224

013754: *Jul 27 11:38:25.001 UTC: %ISDN-6-CONNECT: Interface
Serial0/0/0:1 is now connected to 38271499 N/A

013755: *Jul 27 11:38:25.001 UTC: ISDN Se0/0/0:15 Q931: TX ->
CONNECT_ACK pd = 8  callref = 0x021E

013756: *Jul 27 11:38:32.065 UTC: %FLEXDSPRM-5-OUT_OF_RESOURCES: No dsps
found either locally or globally.

013757: *Jul 27 11:38:32.069 UTC: %ISDN-6-DISCONNECT: Interface
Serial0/0/0:1  disconnected from 38271499 , call lasted 7 seconds

013758: *Jul 27 11:38:32.069 UTC: ISDN Se0/0/0:15 Q931: TX -> DISCONNECT
pd = 8  callref = 0x021E 

        Cause i = 0x80AC - Requested circuit/channel not available

013759: *Jul 27 11:38:32.125 UTC: ISDN Se0/0/0:15 Q931: RX <- RELEASE pd
= 8  callref = 0x821E

013760: *Jul 27 11:38:32.125 UTC: ISDN Se0/0/0:15 Q931: TX ->
RELEASE_COMP pd = 8  callref = 0x021E

  Best Regards;

  Ahmed Elnagar

  Senior Network PS Engineer

  RAYA Building El Motamiez District, 6th of October, Egypt 

  Mob: +2019-0016211

  Phone: +202 3827 6000 Ext.2475

  Website: www.rayacorp.com <http://www.rayacorp.com/> 

  E-mail: ahmed_elnagar at rayacorp.com

  CCIE#24697 (Voice)

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