Matrix ETERNITY NE System Manual 1177
Video Call
Video calling has become an increasingly important tool in today’s business world. It offers people the power of
face-to-face communication, at reasonable cost without incurring the expense of traveling. SARVAM UCS allows
you to make and receive video calls by connecting video capable user terminals.
SARVAM UCS supports video calling for both SIP Trunks and SIP extensions.
How it Works
SARVAM UCS supports video calling for SIP to SIP calls only. SARVAM UCS only acts as a relay agent to place
video calls between two video capable user terminals with no additional supplementary features.
Video capable user terminals which are communicating through SARVAM UCS must conform to the same type of
video codecs
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as per industry standards. If video codec negotiation is not successful between the end-to-end
video terminals, either the call will be converted into an audio call or the call will be dropped.
For enhanced video quality during the call, some of the advanced video attributes including profile/level (H.263+,
MPEG4, H.264), bandwidth, standard annexes, frame rate, image size must be conformed between the
communicating video terminals. SARVAM UCS will not modify or alter any of these attributes which can effect the
characteristics of the video stream during communication.
For a video call, two VoIP channels
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of SARVAM UCS are consumed. During the entire video call, those VoIP
channels are reserved and used till either of the parties disconnects the call.
SARVAM UCS support a maximum of eight VoIP channels. If the RTP Mode is selected as Transcoding, the
maximum number of simultaneous video calls supported will be 4. However, if you select RTP Mode as the RTP
Relay or Direct RTP, the number of simultaneous video calls supported will be 8.
You can convert a normal SIP to SIP audio call into a video call only if both the SIP extensions support video
calling.
• Video calling is supported in VARTA UC Clients.
• None of the proprietary Extended SIP Phones of Matrix support video calling except SPARSH VP710.
• SRTP is not supported for video calling.
Feature Interactions
When the below mentioned features are accessed during an ongoing Video call, the call will be converted into an
Audio call.
• Features where-in the system establishes a conference such as 3-Party Conference, Multiparty
Conference, Conversation Recording, Call Taping, Raid etc.
• When users access Barge-In or Forced Answer.
• When users unhold, unpark or Blind Transfer the call.
• When system answers the call on a trunk, such as DID, DISA, Trunk Auto Answer, Callback on Trunk etc.
158. Current industry standard video codecs include H.261, H.263, H.263p, H.264, MPEG4 etc. For more details, refer the documenta-
tion of the corresponding video terminals you are using for video calling.
159. The Channels will be reserved only for Transcoding Mode.
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