Friday, September 4, 2015

Recursive VoIP Phone Patch

This morning W4BXI was testing his VoIP phone patch arrangements using a Google Hangout. As the radio propagation gradually faded on 3740 kHz to my location, due to rising sun, he added me to the patch on my cell phone. Later he added W4UOA via his cell phone. Carl wondered if there was a way for us to test the use of a separate Google Hangout between the two of us and bridge it to the Hangout that John originally established. By calling his cell phone from the second Hangout, Carl was then able to bridge the two voice calls on his phone and enable us to talk and listen via our PCs while patched to the W4BXI station.
The sketch here shows the arrangement, with separate colors and line styles to distinguish the components. (Click on it for a full size view.) This "lash-up" worked very well for us! It is not intended for routine use, of course.

Naturally, the first choice for patching with a Google Hangout is to connect the person via his or her Google ID on the Hangout, for best audio quality (and video). A connection to a cell phone or landline phone is the second choice.

Update:  A new web app for Hangouts is now available.
Just point your browser to: https://hangouts.google.com

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