[asterisk-users] About X100P and TDM400P analog card in China

[John Novack]

Remember that ZAP/DAHDI channels don't receive ( because most PSTN/POTS 
lines don't provide ) answer supervision.
This will certainly complicate what you want do do.

John Novack


Scott Zhang wrote:
> Hello. All.
>     I am a bit new to asterisk, started from half a month ago.
>     I am setting up a home asterisk server with analog card. I am 
> using asterisk 1.4.27.
>     At the moment, I bought a X100P card and installed it on my 
> computer. I used it to connect my home phone line. For the moment, it 
> works fine when dial in. Soon I noticed when I dial out through it to 
> my mobile, it can't hang up automatically after I hang up my mobile. 
> After googled, I found the reason as described as below link and some 
> solutions.
> http://www.asteriskguru.com/tutorials/resolving_hangup_detection_problems_fxo_tdm_voicemail.html
> For me, none of solutions works.
>     So I am rethinking should I buy another TDM400P card.
>     But I am wondering because in China. The phone system looks 
> different so I don't know if TDM400P will work or not.
>
>  Here is the flow when I am using X100P to dial out.
> 1. Pick up phone
> I hear tone. DA~~~
> 2. press the number
> tone: DA~~~
> 3. dialing~~~~
> No more tone. Music playing~~~~~(lalala, I love lalal)
> At the same time, on asterisk console, it prints out. "The call has 
> been answered".
> Actually it is still dialing and my mobile is ringing because I didn't 
> answer the call.. The music was played by ISP
> 4. whether I answered the call or refuse the call. No more prints on 
> asterisk console.
> But on phone end, when I refuse the call, instead of busytone, I hear 
> the voice "The phone you're dialing is busy now. Please try again later.".
> So the whole thing is, during the whole call process, only before 
> dialing, we can hear the phone tone, for all other time, Dialing, 
> refused, the ISP will play music/voice instead of providing the tone. 
> I don't understand how x100p identify the status, I guess should be on 
> the tone.
> 5. I wait asterisk/x100p to hangup the call and after 5 minutes, I 
> have to cut the phone line to force it hang up.
>
> So can TDM400X work with such a system without tone only with music 
> and voice?
>
> Thanks.
> Regards.
> Scott
>
>
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Dog is my Co-pilot

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