[Asterisk-Users] Spring VON Wrap Up

Mon Apr 5 13:22:10 MST 2004

Scott Laird wrote:
> 
> On Apr 5, 2004, at 12:49 PM, Olle E. Johansson wrote:
> 
>> SRTP protects RTP/UDP media with encryption.
>>
>> There are concerns that sending positioning within SIP/UDP will reveal
>> private detailes, like position. Hence the encryption requirement.
>>
>> The position data needs to be given by the ISP in DHCP configuration.
> 
> 
> This brings up two more questions:
> 
> 1.  What does 'positioning' mean in a SIP context--Google isn't 
> helpful.  Is this basically just physical location?
If I understand Brian correctly, it will be a global system that can look up
the closes 911 service - any where. Possibly latitude and longitude.
Drafts out there somewhere, RFCs on it's way before new year.

> 
> 2.  Is anyone working on SRTP for Asterisk?  Are there any SRTP clients 
> out there?
SIPfoundry got one, another one on SourceForge - maybe they're the same.

More information about SRTP and pointers:
http://www.voip-info.org/tiki-index.php?page=srtp


/Olle