[Freeswitch-dev] how to encrypt the sip message?

Sam HuiYe sam.huiye at yahoo.com.au
Thu Sep 19 08:46:02 MSD 2013

If you are talking about the voip provider like ET263 in China, I would 
offer some suggestions.

For sip part you need to modify libsofia to support customized encryption.

For RTP packet, it is related to switch_rtp.c in Freeswitch.

Actually, I have supported ET263 encryption in my modified version of FS.

Hope this info is helpful to you.

Sam Ye

2013-9-17 2:52, 彭勇 Wrote:
> one of my sip gateway using a encrypted SIP message.
> char * sip_encrypt(char* str)
> {
> ...
>      return encrypted_str;
> }
> i should send encrypted to the gateway. the gateway also send me a
> encrypted SIP message, and i should decrypt it.
> then how can i do it in Freeswitch?
> thanks

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