User's Manual
GXP2130/GXP2140/GXP2160/GXP2170/GXP2135   
ADMINISTRATION GUIDE 
Page 77 of 85 
MULTICAST PAGGING 
GXP2130/GXP2140/GXP2160/GXP2170/GXP2135 supports multicast paging, including sending and 
listening. On the phone, users could send multicast page by setting the multicast address and port. Also, 
users can listen to at most 10 different multicast IP address. 
Multicast sender related settings are under Web UI, Settings ->Programmable keys. Select Multicast 
paging as the key mode for dial page call.Multicast paging listening related settings are under Web 
UISettings -> Multicast Paging. 
For  more  details  on  Multicast  paging  features,  please  visit  http://www.grandstream.com/support  to 
download the latest “GXP2130/GXP2140/GXP2160 Multicast Paging User Guide”. 
CONFIGURING EVENTLIST BLF 
Grandstream  GXP2130/2140/2160/2170/2135  Enterprise  IP  Phones  support  both  Grandstream  UCM 
Busy Lamp Filed and Event List BLF features and allows end users, such as attendant, to monitor the call 
status  of  users  in  the  list.  GXP2130/2140/2160/2170/2135  supports  this  feature  by  sending  out  the 
subscription request to the UCM and changing the indicator status of the Line keys, MPKs, or virtual MPKs 
that associated with the monitored users. Additionally, the phone is also able to pick up the calls to the 
monitored extensions by using a pre-defined feature code called BLF- Call-pickup Prefix. 
For more details on Eventlist BLFconfiguration guide, please refer to: 
http://www.grandstream.com/sites/default/files/Resources/GXP21x0_Eventlist_BLF_Guide.pdf 










