SRTP

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SteveInWA:
There is no way to import a TLS certificate into an OBi device.  If you really need this feature, then you'll need to use a different product.

The Grandstream HT-701 is an inexpensive SIP ATA that can import and use a certificate and private key.

Goldenmeadow:
Quote from: SteveInWA on May 21, 2015, 03:25:39 pm

There is no way to import a TLS certificate into an OBi device.  If you really need this feature, then you'll need to use a different product.

The Grandstream HT-701 is an inexpensive SIP ATA that can import and use a certificate and private key.


Thanks Steve!

Your answers are always the best!!!
I actually managed to connect using TLS with SRTP. First I needed to update the firmware in my 200. Then I set everything except adding certificate itself into OBi and... it works!

fivn:
Have anyone success connect ob200 SRTP to Asterisk 13.25.0 using chan_sip?

I got this error:
Code:

[Mar 22 18:10:41] WARNING[28691][C-00000008]: chan_sip.c:33974 process_crypto: Ignoring crypto attribute in SDP because RTP transport is insecure
[Mar 22 18:10:41] WARNING[28691][C-00000008]: chan_sip.c:10844 process_sdp: Failed to receive SDP offer/answer with required SRTP crypto attributes for audio


Grandstream phones are working fine.

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