Details for creating a VoIP presence
Requirements
Primary
- Talk to Windows users
- Video chat
- Presence notification
- Portable VoIP address
Secondary
- Talk to gTalk users
- Secure Authentication
- Encryption
- IPv6
Protocols
Call Control
- SIP
- Jingle
Presence
- SIMPLE
- No federation?
- Jabber/XMPP
Encryption
Articles
Protocols
Clients
Nokia
- Native - working
- Supports SRTP (?)
Linux
- Ekiga - SIP,SIMPLE
- contacts list is in CVS
- XMPP support pending?
- No bluetooth headset support
- Gizmo - x86 only - SIP,Jabber
- Empathy/Telepathy
- WengoPhone - SIP,Jabber
- QT
- no video??
- Twinkle
- QT
- Just doesn't fucking work
- SRTP and zRTP support
- SIP Communicator
- Java
Windows
- Gizmo - SIP,Jabber
- Xten - SIP,SIMPLE
- GTalk - Jingle,Jabber
- no video?
Addressing
Incoming
- Want to have sip:mark_AT_markferry_DOT_net point to sip:gnomeza1_AT_ekiga_DOT_net
- Need a "SIP registrar proxy"?
- Free SIP address forwarding service?
- DNS SRV record will point users to SIP address forwarding service
- http://www.voip-info.org/wiki/view/DNS+SRV
Redirection
- Installed sip-redirect
- Configured SIP SRV for udp 5060
Verification
- Support signed-by header?
Services
- Gizmo
- Ekiga
- VoIPfone.co.uk
- Doesn't support redirects
- Requires personal details
Servers
Solutions
Talk to Windows Users, Video Chat
- SIP
- Ekiga (Linux), Gizmo (Windows), XTen (Windows)
Presence
- Jabber/XMPP
- Gizmo (Windows)
Conclusion
There is no solution for cross-platform open-protocol VoIP video-conferencing