Open Source Sip: Message List - One Way Voice while using encryption!

Re: One Way Voice while using encryption!

ijaz — Fri, 18 Dec 2009 15:53:34 GMT

Thank you very much joegen,

I will try to use XOR if i get problem i will contect you .

Thank you again.

Re: One Way Voice while using encryption!

joegen — Fri, 18 Dec 2009 01:31:08 GMT

Always use XOR if you are using OSSPhone. That's the encryption method that is fully tested. OpenSBC detect encrypted SIP and RTP packets automatically. How? Simple, if it doesnt look like a SIP packet, then decrypt it. if its still not a SIP packet after decryption, the drop it. Same goes with RTP. If you wan't to know if opensbc detects encruption simply look for enc=1 in the incoming packet log. 1 means encrypted, 0 means not.

Re: One Way Voice while using encryption!

ijaz — Mon, 14 Dec 2009 20:38:57 GMT

Hi
Thank you for reply. I am using OSSPhone.
Can you help me again? how can i detect (in my own client) data is encrypted or not.
in other word how OpenSBC server detect that the data is encrypted or not.

(my be stupid question)

Thanks in advance.

Re: One Way Voice while using encryption!

ijaz — Mon, 14 Dec 2009 20:35:58 GMT

Hi
Thank you for reply. I am using OSSPhone.
Can you help me again? how can i detect (in my own client) data is encrypted or not.

Thanks in advance.

Re: One Way Voice while using encryption!

joegen — Tue, 08 Dec 2009 07:57:01 GMT

use XOR. Diffshift only encrypts SIP signaling. Of course you would also need the client to support XOR or diffshift for it to work. What client are you using to achive diff-shift if I may ask?

One Way Voice while using encryption!

ijaz — Thu, 03 Dec 2009 21:22:18 GMT

Hi,
I am getting one way voice with encrypted connection,i am using diffshif encryption. i get voice from called party but my voice is not going on other side.
without encryption it works fine.

please help me.

Thanks