[asterisk-dev] Newbie, Question on making a PSTN call..

[zoachien at securax.org]

You will need to buy something else, or be ready to write new channel 
drivers for asterisk. Only 1 specific type of modems works out of the 
box afaik. (And even those dont work reliably).

Zoa

Shiva Kumar wrote:
> Hello Asterisk-dev,
> I am new to Asterisk. I got SIP Calls to work between two computers 
> using a soft phone and asterisk in the middle. Since then, I have been 
> trying to get my soft phone to make a PSTN call with terrible failure 
> for about two days now.
>
> On Windows using asteriskwin32:
> I have a soft modem (Agere HDA Modem) in my laptop. Windows' default 
> dialer is able to make a PSTN call by connecting the Phone's RJ line 
> into my laptop's RJ 11. I am unsure what drivers to choose where and 
> what parameters to change in tapi/fx configuration files etc. to get 
> asterisk to use this modem to call out.
> Read plenty of articles about how asterisk cannot make a good phone 
> call using a half duplex modem. But, This is for experimental purposes 
> and I will be thrilled to just get my phone ringing before I go out to 
> buy specific hardware.
>
> On my Ubuntu:
> Next up, I connected my phone(NOKIA N73) to my computer, ensured that 
> I am able to connect to internet on my ubuntu. wvdial works good too. 
> Again, I am unsure how to get asterisk to connect to this modem so 
> that I can use my soft phones to make a call.
>
> Need help.  Thanks in Advance.
>
> -- 
> Shivku,
> http://blog.shivku.com
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