Grandstream Networks WP820 Administration Manual page 37

Emergency Defines emergency channel for PTT. Emergency channel has the highest priority. PTT using emergency
Channel channel will take precedence over PTT on priority or normal channel. Please note PTT to emergency channel
will not be rejected even when device has enabled DND.
Defines whether to accept PTT calls while device is in active call.
● If set to "No", device will ignore PTT calls while in active call.
Accept while
● If set to "Yes", while in active PTT call, device will accept PTT if it has the same priority; If device is in
busy
active SIP call, device will accept PTT and put the SIP call on hold.
Default is "No"
Caller ID Set Caller ID displayed on the call interface during a PTT call.
PTime (ms) Set payload size for PTT.
Audio codec Selects the codec type for the PTT call. The list includes: G.722, G.711, Opus.
Defines PTT channel. Users can configure whether to use the channel for "Available", "Transmit",
Channel "Subscribe" and "Join Channel" and its label. Only available and joined channel will be displayed in PTT
channel list. If users need send or receive PTT, "Transmit" and "Available" must be enabled for this channel.
Paging Config
Group
Enable or disable group paging.
paging
Default Defines default paging group. When pressing and holding the PTT button, paging will be initiated using the
group default group.
Priority Defines priority paging group. Paging received on priority group will take precedence over active paging on
group normal group.
Defines emergency group for paging. Emergency group has the highest priority. Paging using emergency
Emergency
group will take precedence over paging on priority or normal group. Please note paging to emergency group
group
will not be rejected even when device has enabled DND.
Defines whether to accept paging while device is in active call.
● If set to "No", device will ignore paging while in active call.
Accept while
● If set to "Yes", while in active paging call, device will accept paging if it has the same priority; If device is
busy
in active SIP call, device will accept paging and put the SIP call on hold.
Default is "No".
Caller ID Set Caller ID displayed on the call interface during paging
PTime (ms) Set payload size for paging.
Audio codec Selects the codec type for the paging call. The list includes: G.722, G.711, Opus.
Defines paging group. Users can configure whether to use the group for transport, accept, join group and its
Multicast
label. Only available and joined group will be displayed in paging group list. If users need send or receive
settings
paging, "Transport" and "Accept" must be enabled for this group.
Multicast Paging Function
Settings
Paging Determines if a new paging call whose priority is higher than the existing paging call will be answered. If it is