Connecting a SIP-enabled ip camera to Asterisk is easy. But do you know that you can also connect the rtps to your Asterisk? In this session you'll see some techniques to connect those camera's to your PBX. You'll be able to make a video call to your camera and move the camera around with your keypad. Combine this with WebRTC and 4G-connections and you get new possibilities in securing buildings.

1. Connecting Non-SSIIPP IIPP CCaammeerraa ttoo YYoouurr PPBBXX
Tom De Moor
Control Alt Dieliet

2. Session content
• Adding a non-sip ipcam to your PBX
– Creating V4L2 loopback devices
– Binding a rtsp-stream to the loopback device
– Connecting the loopback device to sipclient
– Controlling the camera with dtmf-tones
– Demo

3. About me
• IT-manager non-profit VCLB Gent
(Belgium)
• Developer at Control Alt Dieliet
–OpenLDAP addressbook for Digium
phones
–Twitterclient for Digium phones
• tom@controlaltdieliet.be
• ctl_alt_dieliet

4. V4L2 loopback devices
• Kernel module
• Creates "virtual video devices"
• Applications read it as ordinary video
device
• Video doesn't come from a capture device
• https://github.com/umlaeute/v4l2loopback

5. Demo
• modprobe v4l2loopback devices=4
• creates /dev/video1-4

6. Binding the rtsp-stream
• ffmpeg
• ffmpeg -i rtsp://username:password@ipaddress
-s 1920*1440 -r 20 -f v4l2 /dev/video1
• Use LAN, not WAN

7. Connecting to a sipclient
• Linphone
• Linphonec: console based sip-client
– With video-support
– With auto-answer
– Able to run multiple instances

8. Demo linphonec

9. Commands with DTMF
• Most of those cameras can be controlled
through http
• Listen through AMI to events and move
the camera around

10. Demo && Dangerous Demo

11. Questions?