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2N Helios IP Configuration Manual v2.8 User Manual

Page 74

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2N TELEKOMUNIKACE a.s., www.2n.cz

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or (for MJPEG, HTTP Server Push):

http://intercom_ip_address/enu/camera

x .jpg?fps=

W H

N

where

and specify image resolution (supported resolutions: 160x120, 320x240,

W

H

640x480, 176x144, 322x272, 352x288, 1280x960 – for 1MPix camera equipped
models only) and gives the count of snapshots per second (1 through 10).

N

Snapshot download enabled – enable download of JPEG snapshots from any
IP address without authentication.
JPEG compression level – set the JPEG compression level (1–99). The
recommended value is 85. The parameter affects the image size and quality.

Some IP phones (SNOM 820/570) do not support video calls but are able to download
and display JGEG snapshots from the predefined IP address during a call. The 2N

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intercoms do support this function: set the parameters in this tab.

Helios IP

JPEG video activated by call – enable camera snapshot downloading by Snom
820/870 phones during a call.
JPEG video frame rate – set the frame rate or time periods for camera
snapshot downloading by Snom 820/570 phones.

Multicast

The

intercoms allow you to stream audio signals (from the microphone

2N Helios IP

®

or another intercom audio input) via RTP packets sent to the multicast address and
receive audio streams in the same format and play them via the integrated speaker or
another intercom audio output. The audio stream is encoded by G.711 u-law.

Note

The HTTP Server Push method with the multipart/x-mixed-replace
contents is not supported by all internet browsers. Test the function in the
Firefox browser, for example.