Glenn Powers wrote:
Christian Schnell wrote:
Hi, I would like to have a VoIP-card share a physical phone line with
some other analog device. When a call comes in it is supposed to be
answered by that analog device, only occasionally I'd like the
VoIP-card to "join" that conversation. Using the VoIP-card, I'd like
to establish a three-way conference (external party, analog device,
PC+IP-phone) and then also record that conversation digitally to a PC
in the LAN. All three parties must be able to hear and speak freely.
I don't think you need special hardware to do this. I think you /may/
just need to patch the current Zaptel driver.
Thanks for your answer Glenn.
I wonder: Is it perhaps better to modify our modem such that we can
interface it through a sound card? Shouldn't be too difficult, and if I
run * on that host with chan_oss/chan_alsa then I should be able to make
that thing appear as a full VoIP endpoint in *, or did I miss anything?
I have quite a few options with my hardware setup, but perhaps this is
the best one, compared to modem pass-through and line sharing. Our modem
handles all things related to call setup, caller id and DTMF, the line
is only used for voice during limited time frames when connected, and
that's when I want to use that device as a VoIP endpoint in order to
talk through an IP phone and also to record conversations.
Is it a good idea to use a sound card or is it better to use dedicated
VoIP hardware in my situation?
Thanks for any help,
Christian.
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