[cisco-voip] Cisco VG204/202 & Hylafax

[Nick Matthews]

You need to configure a fax protocol that your Fax server will support.

The only thing you have configured is modem passthrough nse, wherein NSEs
are Cisco proprietary.

It probably uses T38 or fax passthrough, which are both protocol based
switchovers.  Unfortunately, SCCP controlled FXS ports do not support any
non-Cisco proprietary fax methods such as T38 or passthrough.


-nick

On Wed, Oct 7, 2009 at 10:46 AM, Kim, Hyoun S <Hyoun.Kim at chartercom.com>wrote:

>  I recently just completed installing several Cisco VG204 & VG202 gateways
> at my office.  We use a mix of real fax machines and a Linux server running
> Hylafax.  The Hylafax server is used only for receiving faxes.  No users use
> the Hylafax server to send faxes because we have real physical fax machines
> located strategically throughout the office.
>
>
>
> When receiving faxes to the physical fax machines, the faxes are received
> just fine.  However, when faxes are received to numbers associated with the
> Hylafax server, we run into an issue.  Some, if not all received fax pages
> end up being “cut off”.  That is, there is random garbage near the end of a
> fax page which is unreadable.  However, everything above that garbage is
> readable & faxed fine.
>
>
>
> Prior to migrating to the VG gateways, all received Hylafax faxes were
> normal.  I’m thinking it has to do with the way my faxes are set up on the
> Voice Gateway.  Below is my relevant config on the VG202 (the config is
> identical across all the VGs).  Any ideas?  I’m using SCCP for all my phones
> because I was told it was the easiest & recommended way to set up the VoIP
> network.
>
>
>
> version 12.4
>
> !
>
> stcapp ccm-group 100
>
> stcapp
>
> !
>
> stcapp feature access-code
>
> !
>
> voice service voip
>
>  modem passthrough nse codec g711ulaw
>
> !
>
> voice-card 0
>
> !
>
> interface FastEthernet0/0
>
>  ip address 172.21.xxx.xxx 255.255.255.0
>
>  duplex auto
>
>  speed auto
>
> !
>
> interface FastEthernet0/1
>
>  no ip address
>
>  shutdown
>
>  duplex auto
>
>  speed auto
>
> !
>
> ip forward-protocol nd
>
> ip route 0.0.0.0 0.0.0.0 172.21.xxx.xxx
>
> !
>
> voice-port 0/0
>
>  timeouts initial 60
>
>  timeouts interdigit 60
>
>  timeouts call-disconnect 3
>
>  timeouts ringing infinity
>
> !
>
> voice-port 0/1
>
>  timeouts initial 60
>
>  timeouts interdigit 60
>
>  timeouts call-disconnect 3
>
>  timeouts ringing infinity
>
> !
>
> ccm-manager fax protocol cisco
>
> ccm-manager sccp local FastEthernet0/0
>
> !
>
> mgcp fax t38 ecm
>
> mgcp behavior g729-variants static-pt
>
> !
>
> sccp local FastEthernet0/0
>
> sccp ccm 172.21.xxx.xxx identifier 1 priority 1 version 7.0
>
> sccp
>
> !
>
> sccp ccm group 100
>
>  associate ccm 1 priority 1
>
> !
>
> dial-peer voice 1000 pots
>
>  service stcapp
>
>  port 0/0
>
> !
>
> dial-peer voice 1001 pots
>
>  service stcapp
>
>  port 0/1
>
>
>
> [image: 2C_CharLogo_Tag_CMYK]
>  ------------------------------
>
> *Hyoun Kim** •** *Network Administrator I – East Division
>
> 640 Broadmor Blvd *• *Suite 80 *• *Murfreesboro, TN 37129
>
> ' 615.217.6245 *• *' 859.312.6941 *•* 7 615.217.6255 *• **
> Hyoun.Kim at chartercom.com
>
>
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