[AusNOG] Cisco SPA - Fax in Australia

[Robert Hudson]

Definitely try to drop down to Fax Class 1 (9600bps, reduced instruction
set) if you're having line issues.


On 23 April 2014 11:27, Jake Anderson <yahoo at vapourforge.com> wrote:

> see if you can manually set the baud rate to something low (9600bps say)
> and turn off any of the fancy bits and pieces that some of the later fax
> protocols have.
>
> see what kind of latency and jitter you have to your provider.
>
> oh god baud rates, pingy screetching noises the memories are returning.
>
>
>
> On 23/04/14 10:55, Joseph Goldman wrote:
>
>> Thanks for all the pointers - unfortunately I still couldn't get it to
>> work :( I have been able to get it to recognise a fax on either end and
>> start communication but it always fails with a comm error :(
>>
>> On 22/04/14 22:19, dean at faktortel.com.au wrote:
>>
>>> Hi Joe
>>>
>>> You can try these settings.
>>> I use these settings for pap2t and spa3102....etc. should be similar to
>>> spa122. if i dont have a t.38 gateway
>>>
>>> 3 Way Calling: no
>>> Echo Canceller: no
>>> Silence Suppression Enable: no
>>> Call Waiting: no
>>> FAX Disable ECAN: NO.
>>> FAX CED Detect Enable: YES
>>> FAX Enable T38: NO
>>> FAX T38 Redundancy: 0
>>> FAX Tone Detect Mode: Caller or Callee
>>> Network Jitter: Very High
>>> Jitter Buffer Adjustment: Disable
>>> Preferred Codec: alaw
>>> Fax Passthru Method: reinvite
>>>
>>> These 2 make a big difference for me..
>>>
>>> RTP Packet Size to 0.010
>>> FXS port impedance to 220+820|| 120NF
>>>
>>>
>>>
>>>
>>> Regards
>>> Dean
>>> faktortel
>>>
>>>
>>>
>>> -----Original Message-----
>>> From: AusNOG [mailto:ausnog-bounces at lists.ausnog.net] On Behalf Of
>>> Joseph
>>> Goldman
>>> Sent: Tuesday, 22 April 2014 1:32 PM
>>> To: AusNOG at lists.ausnog.net
>>> Subject: [AusNOG] Cisco SPA - Fax in Australia
>>>
>>> Hi list,
>>>
>>>    Trying to have some luck using faxes behind Cisco SPA ATA's, in
>>> particular
>>> testing with an SPA122. I can get the unit to detect its a fax coming
>>> through, but often they don't begin communication between the
>>> 2 endpoints, or if by luck they do I get a comm error.
>>>
>>>    T.38 is enabled, NSE enabled, also tried with no NSE enabled.
>>>
>>>    Anyone had luck getting these units to work in AU ?
>>>
>>> Thanks,
>>> Joe
>>> _______________________________________________
>>> AusNOG mailing list
>>> AusNOG at lists.ausnog.net
>>> http://lists.ausnog.net/mailman/listinfo/ausnog
>>>
>>>
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