[Freeswitch-users] A primitive way of getting VoLTE recordings in FreeSwitch. Looking for better ideas.

[Oivvio Polite]

On mån, dec 05, 2016 at 09:46:08 +1000, Francis wrote:
> One option is using mini-PCIe WAN cards that are VoLTE capable, using 
> the I2S bus for bidirectional digital audio. The sticking point with 
> this approach is that you need a backplain card with an I2S to USB 
> bridge in order to capture the audio. This would probably work best with 
> mod-gsmopen.
> 
> I searched high and low for such a thing, and managed to find one 
> Russian firm that had a single slot device. The downside is that it is 
> horrendously expensive (about $400 euros from memory), considering it 
> only has about $5 worth of components on it. There are proprietary 
> backplains, but so are their connectors, which limits you to their own 
> line of daughter cards.
> 
> Francis
> 

Thanks!

When we say that a card is VoLTE capable, what do we mean? Is VoLTE one
or many different protocols? Or to put it another way: When I google
these WAN cards what should I look for?

Oivvio