[asterisk-users] spa8000 spa2102 t38 faxing

[Israel Gottlieb]

still no luck
 i hear it change to t38 but it just doesnt connect


On Sun, Mar 27, 2011 at 5:26 AM, Larry Moore <lmoore at starwon.com.au> wrote:

> Perhaps this will help.
>
> I have a SPA8800 which has 4 x FXS & 4 x FXO ports.
>
> It took me some time to produce a working configuration.
>
> In Asterisk I have the following where 904 is the extension of the
> fax-modem and itsp is you VoIP Service Provider.
>
> sip.conf
>
>  [general]
>  .
>  .
>  faxdetect=no
>  t38pt_udptl=yes,redundancy,maxdatagram=400
>  .
>  .
>
>  [904]
>  ; Cisco SPA8800 FXS Port 4
>  ; Analogue FAX Modem attached
>  type=friend
>  defaultuser=904
>  secret=<secret>
>  call-limit=2
>  qualify=yes
>  canreinvite=no
>  directmedia=no
>  directrtpsetup=no
>  ignoresdpversion=yes
>  transport=udp,tcp
>  host=dynamic
>  context=<your_context>
>  faxdetect=no
>
>  .
>  .
>  [itsp]
>  .
>  .
>  faxdetect=yes
>  ignoresdpversion=yes
>  .
>  .
>
>
> I am including information from my SPA8800 for one of the FXS ports I have
> a Fax Modem attached to, the key to getting it to work I believe is the "FAX
> Tone Detect Mode".
>
> Audio Configuration
>
>  Preferred Codec: G711a          Second Preferred Codec: Unspecified
>  Third Preferred Codec: Unspecified    Use Pref Codec Only: no
>  Silence Supp Enable: yes          Silence Threshold: medium
>  G729a Enable: no              Echo Canc Enable: yes
>  G723 Enable: no              Echo Canc Adapt Enable: yes
>  G726-16 Enable: no              Echo Supp Enable: yes
>  G726-24 Enable: no              FAX CED Detect Enable: yes
>  G726-32 Enable: no              FAX CNG Detect Enable: yes
>  G726-40 Enable: no              FAX Passthru Codec: G711a
>  DTMF Process INFO: yes          FAX Codec Symmetric: yes
>  DTMF Process AVT: yes          FAX Passthru Method: ReINVITE
>  DTMF Tx Method: AVT              DTMF Tx Mode: Strict
>  DTMF Tx Strict Hold Off Time:  40    FAX Process NSE: no
>  Hook Flash Tx Method: None          FAX Disable ECAN: no
>  Release Unused Codec: yes         FAX Enable T38: yes
>  FAX T38 Redundancy: 1          FAX Tone Detect Mode: callee only
>  Symmetric RTP: yes
>
> Supplementary Service Settings
>
>  CW Setting: no                Block CID Setting: no
>  Block ANC Setting: no            DND Setting: no
>  CID Setting: yes              CWCID Setting: yes
>  Dist Ring Setting: yes            Secure Call Setting: no
>  Message Waiting: no            Accept Media Loopback Request: automatic
>  Media Loopback Mode: source        Media Loopback Type: media
>
> Larry.
>
> --
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