[kwlug-disc] OT: conference call using voip.ms & FXS

[Daniel Allen]

This is sort of the opposite of a Linux question, but I figure someone may
have a suggestion.
I have a voip.ms account and a Cisco SPA2002 box to give me two RJ11 ports.
I have them working with a speakerphone. I've connected three parties
together using the phone's built-in 3-way calling (flash/dial 2nd
number/flash will connect me with two parties).
I want to connect a 4th party; for a call in the next few days.

None of the other participants have 3-way calling.

I have a DID with voip.ms and I imagine a 4th person could call the DID
number, but I haven't found instructions on bridging together that incoming
call with the outgoing calls.
I imagine I could have two people call the DID, along with me calling it
from the speakerphone, but I don't know how to bridge the calls on the DID
either.

Options I've rejected:
- bridging in the 3rd and 4th parties via my cellphone, which makes a
crackly laggy mess
- setting up an asterisk or freeswitch box, due to not wanting to
store/maintain extra hardware
- setting up a second speakerphone, to run on the SPA2002's second RJ11
port, connect to the 4th person, and pick up the other speakerphone output
over the air (which starts to look more like performance-art)

Any ideas- or better yet, cookbook instructions or URLs?
Thanks.
-Daniel
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