New Rock Technologies NRP1004 Series User Manual page 71

NRP1004 Series IP Phone
Value format IP:Port，the IP address of multicast is range from 224.0.0.0 to 239.255.255.255,port is
greater than 1024
If multicast codec is G722, the LCD screen will displays "HD", which means the phone is sending
high-definition voice stream
Operate steps:
When the phone is idle, press multicast key
Multicast RTP stream is sent to pre-configured multicast address (IP: Port)。The phone which listens to
multicast address in the local network can receive the RTP stream. Multicast function key LED lights
yellow.
LCD screen displays the following:
Press the hold softkey to hold the current multicast session
Press the end softkey again or multicast function key, multicast session can be stopped
Notice: RTP stream is one side, that is from a sender to a receiver. When the phone initiates a multicast
RTP session in a call, the current call is on hold.
Receive multicast setting
You can set up the phone monitoring 10 different multicast addresses to receive these multicast RTP
stream.
You have two method to receive RTP stream of multicast that can be set up through the web page:
Enable priorities of normal calls and Enable page Priority:
Enable priorities of normal call by select it, if the incoming RTP stream priority of multicast lower than
the priority of current for normal calls, the phone will ignore the RTP stream of multicast. If the
incoming RTP stream priority of multicast higher than the priority of current for normal calls, the
phone will receive the RTP stream of multicast, and hold the current call.
Disabled priorities of normal call by select disable, the phone will ignore all local network RTP stream
of multicast.
Options as follows:
1-10:the priority defined for normal calls,1 the highest level,10 the lowest level
Disabled: Ignore all RTP stream of multicast
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User Manual
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