[Asterisk-Users] Welltech FXO: initial tests

[Joseph Tanner]

I have a Welltech 3502 (2 FXS ports) and callerid will not work in SIP
mode.  I contacted Welltech support and they informed me that callerid is
only working with the H.323 firmware.  Once I flashed it with the H.323
firmware and figured out how to get it to work with asterisk, callerid did
indeed start working.

Joseph Tanner
<joseph at thetechguide.com>

> Message: 15
> Date: Fri, 02 Apr 2004 11:13:35 -0500
> From: Jorge Mendoza <mendoza at tcc.com.pe>
> Organization: TCC S.A.
> To: asterisk-users at lists.digium.com
> Subject: [Asterisk-Users] Welltech FXO: initial tests
> Reply-To: asterisk-users at lists.digium.com
>
> Hi,
>
> After a long way of problems (shipping, customs, etc) finally I got
> Welltech working. Here below my comments.
>
> - The documentation is poor and have errors
> - The web configuration is not complete. However is useful for the basic
> configuration parameters. The command line is necessary for modify all
> parameters.
> - The software upgrade is easy. Initially the gw came with H323, we
> upgrade to SIP.
> - We have tested only one port, it works well, audio quality is good
> (alaw).
> - Outgoing and incoming calls are working ok.
> - The Caller ID (from PSTN side) does not work
> - Answer supervision (reversal polarity detection) seems to work fine.
> This feature is very important to us, is the first time that we found
> this feature in a analog CO trunk. In a test application where we play a
> voice message to the called user, the message start to play just after
> answer. Tested with wire phone and cell phones.
> - Disconnect tone seems reliable (although the default configuration was
> not adjusted).
>
> We have done dozen of test in order to get the gw working. During the
> tests two issues came up, they need further analysis and tests:
> - Two times a UDP packages loop between the gw and * saturated the
> bandwidth after a hung up. Rebooting the gw does not stop the loop. Even
> with the gw turn off, * was sending the packages.Only rebooting * turn
> the system normal.
> - The gw port stay locked after a hung up. Apparently due to a no
> detection of the disconnect tone (in this case the tests were carried
> out with a PABX without disconnect tone). But the * user (SIP) was hung
> up and it seems that there are not a release timer.
>
> We will continue the tests and test the Welltech technical support as
> well (no required until now).
>
> Jorge
>
>
>
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