[asterisk-users] Modems dialing over sangoma a104d

[Wolfgang Zweimueller]

Rich Adamson <radamson at routers.com> writes:

> Sean Cook wrote:
>> I have a sangoma 104d that is our main pbx now( legacy system died ).  I
>> have replaced every phone in the building and things are going very well.
>> We have fax working well and calls are routing properly...  All is well...
>>
>> Except for our support modems... we have support people that dial out with
>> modems across our PRI's.  These modems are attached to an Adtran 750 with 24
>> FXS's.  I have disabled echo cancelation on the T1 that is connected to the
>> Adtran but negotiation is still really rough.  I am bridging across the same
>> card and it isn't doing very well... has anyone done this with reasonably
>> successful results?  I am not looking for 56K I am looking for around 9600
>> to 14.4..
>
> Can we assume that you've got the correct timing parameters set on the
> 104d?  (eg, are you sync'ing your 104d from the telco?)
>
> If not, get that corrected first as it makes a major difference with
> modem calls.

That's the point! We had the same issues: modem calls dropping after a
few minutes. Get at least wanpipe-beta7-2.3.4.tgz and set the
reference clock to the telco line and set MASTER to this line.


cu,
Wolfgang