Proxima, Libra firmware ver. 2.12.xx
rev. 2.12.01
3.3. Video calls
Video calls – these are calls made within the Proxima IP PBX Server or Libra PBX
Server with the use of VoIP technology. The video calls are available for:
Libra users equipped with Platan Video Softphone app. with audio/video
accessories
Yealink VP-530 IP video phones users
Helios IP video door phones users.
Video calls may be made as internal (extension-to-extension) calls between users
equipped with the above mentioned devices or between an internal user and an
external user equipped with IP video phone or Platan Video Softphone app., when
the call is made through a VoIP trunk line with a video calls support enabled.
Video call is made bypass media, meaning that the video stream is sent
outside the Proxima / Libra server. Possibility of making a call and its
quality depends on the used devices, LAN/WAN network quality and
bitrate. Single video call requires the bitrate from 64kb/s up to 4Mb/s in
both directions (download/upload).
3.3.1 Internal video calls
Dial an extension number or a Hunt Group number. The extension
numbers range is set by the installer. The numbers may consist of 1-16
digits.
Select Video option on an IP video phone or in Platan Video Softphone
app. and pick up the video phone receiver (or press the green receiver +
camera button in the Platan Video Softphone app.).
3.3.2 External video calls
Outgoing video calls can be made only by privileged users (privileges for every
server user are given by the installer or by the server maintenance personnel in the
computer program).
The main access to the trunk lines (escape code) is achieved by dialling ‘0’.
Installer defines in the computer programme which trunk lines will be available for
users after dialling ‘0’. Additionally, the following dial numbers can be allowed by
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