On 7/7/19 11:55 AM, Michael Maier wrote:
> On 06.07.19 at 22:16 hwilmer wrote:
>> Is there an advantage to using pjsip?  What's needed for easybell with pjsip?
> 
> For easybell, I don't know of any advantage. But that's not very reliable, 
> because I'm using easybell for dedicated requirements only. I'm considering 
> chan_sip legacy. I wouldn't build any new installation on chan_sip (if there 
> are no technical
> contradictions).
> 
> Easybell does have a pretty fine documentation for FreePBX and pjsip:
> https://www.easybell.de/nc/hilfe/ergebnis/freepbx-130124-mit-asterisk-13.html

That's not for asterisk, and most documentations for asterisk are not for
pjsip.

> [why encryption?]
> 
>> I consider it a requirement for when employees end up using their mobile 
>> phones over foreign wireless networks, which is something that would be 
>> virtually impossible to prevent should the asterisk server be made reachable 
>> from the outside.
> 
> That's true. But don't forget to encrypt RTP at this point! This must be done 
> additionally.
> BTW: easybell doesn't support full RTP encryption. It's supported for 
> outgoing calls only 
> (https://en.easybell.de/nc/help/questions/questions-concerning-the-telephone-connection/answer/does-easybell-support-the-data-encryption-srtp-for-voip.html).

They also say that encryption is possible:
https://en.easybell.de/nc/help/questions/questions-concerning-the-telephone-connection/answer/can-i-encrypt-the-telephony.html

I'll have to see what their support says about this.

> 
> That's an example for an inbound call - there isn't any support for RTP 
> encryption:
[...]

That would really suck.  It is not acceptable that phone calls over the internet
shouldn't be encrypted.

> [...]

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