User Guide

41
R27A/V
Admin Guide
standards.
Codec Resolution: R27 support four resolutions, QCIF, CIF,
VGA, 4CIF and 720P.
Codec Bitrate: To configure bit rates of video stream.
Codec Payload: To configure RTP audio video profile.
Go to Phone - Call Feature to configure multicast related codec.
4.2.7. Subscribe
Go to Account-Advanced to configure.
MWI: Message waiting indicator which is used to indicate whether
there is unread new voice message.
BLF: BLF is short for busy lamp field which is used to monitor the
designated extension status.
ACD: Automatic call distribution is often used in offices for
customer service, such as call center. The setting here is to
negotiate with the server about expire time of ACD subscription.
Figure 4.2.6-2 Multicast related codec
Figure 4.2.7 Subscribe