as far as I know, none of big ITSP's support encryption. Anyway it would be an encryption till the provider edge, but not further.
but you can set up a gateway in the cloud which would terminate your encrypted voice traffic. This gateway could be placed close to the ITSP network, or even have a direct link to them.
But in general, it's easier not to use telephone for anything that could be used against you :-))
On Tue, Jan 19, 2016 at 4:40 PM, Andreas Fink afink@list.fink.org wrote:
Does anyone know a list of VoIP providers in Switzerland who can port in a number block?
I'm looking for one which supports SIPS (via TLS) and SRTP and can do trunking to a PABX of my choice. The big guys only support their own certified crap and the small ones don't support privacy required features which changed post Snowden from "want to have" to "absolutely mandatory" feature.
Andreas Fink DataCell ehf, Backbone ehf, Cajutel Inc, Alisanus GmbH
c/o Alisanus GmbH Clarastreasse 3, 4058 Basel, Switzerland E-Mail: andreas@fink.org https://www.fink.org Mobile: +41-78-6677333 Office: +41 61 6666330 Skype: andreasfink Jabber/XMPP: andreas@fink.org ICQ: 8239353
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