[Asterisk-Users] Tranferring UniCall lines

[Guillermo Freige]

Steve:
Thanks about the explanation. I'm rather new to all of this digital 
telephony world. I'm a computer networks guy :)
If I understood well, the transfer limitation isn´t a MFC/R2 one, but a PSTN 
one?. Can I transfer calls using the PBX call control even in R2 if the PBX 
support it? Flash didn´t work because it isnt a Zap FXO signalled interface, 
but even commenting the condition in the code it didn´t work in the UniCall 
channel. And Transfer, as said, does nothing at all. If some code is missing 
in app_flash.c (and the PBX support it) I can patch the code, but I need to 
know if it is supported by UniCall library (or R2).
Regarding outgoing calls, I'd 2 problems, the timeout after 1 ring or aroung 
4 seconds (it still remains), and a problem with the codec. Apparently alaw 
wasn´t selected (despite some code tracing showing codec 8 (alaw) was used) 
and audio was corrupted, and MF codes were sometimes misunderstood because 
that. I´ve solved it forcing the alaw use in the asterisk code, but now I 
feel dirty :) The new code will solve this problem too?. Incoming calls work 
fine (they even show "alaw" as the default codec after a call) and if I use 
a previously used channel with the codec set for an outgoing call, the sound 
is OK even with the unmodified code.

Thanks for your time and work

Guillermo

>
>Guillermo Freige wrote:
>
>>Steve:
>>This means the only way to use Transfer (or Hook and DTMFSend) in a E1 is 
>>using it as a channel bank trunk using FXO signaling?. I really need to 
>>free those channels.
>
>FXO signaling cannot reroute the call. You are relying on * to do that 
>work, as an extension of the usual capabilities of FXO signaling. If your 
>channel bank were connected directly to the PSTN it would have the same 
>limitations as your MFC/R2 setup.
>
>>I'm glad the outgoing problem will be solved soon. If Transfer don't work, 
>>it's the only way to call the operator via a second channel.
>
>An operator could take control of the call and reroute it, but I'm not sure 
>how you would alert the operator and get them involved. You say you are 
>using MFC/R2 with a PBX, rather than the PSTN. The PBX might be able to 
>offer you some help, if it supports call control by DTMF recall. An MFC/R2 
>connection to the PSTN would definitely not. I've never used Merdians with 
>R2, so I have no idea of their capabilities.
>
>>BTW, I'm in Argentina using the local R2 variant against a Meridian 1 
>>Option 11C via a DTI2 card,  Asterisk is using a 410P card in E1 mode.
>
>Thanks. That's another data point I have about what works, and what does 
>not. :-)
>
>Regards,
>Steve
>
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