User's Manual
GXP2130/GXP2140/GXP2160/GXP2170/GXP2135   
ADMINISTRATION GUIDE 
Page 36 of 85 
"Yes",  the P-Preferred-Identity  Header  will always show in INVITE. If set to 
"No", the P-Preferred-Identity Header will not show in INVITE. 
Add Auth Header on 
Initial REGISTER 
To define whether authorization Header will be added on initial  REGISTER 
from the first REGISTER. The default setting is “No”. 
Allow SIP Reset 
This is used to perform afactory reset through SIP NOTIFY. When the phone 
receive the NOTIFY with event: RESET, the phone should perform a factory 
reset after the authentication. The default setting is “No”. 
Account x  SIP Settings  Advanced Features 
Line Seize Timeout 
For Shared Call Appearance, phone must send a SUBSCRIBE-request forthe 
line-seize event package whenever a user attempts to take the sharedline off 
hook. “Line Seize Timeout” is the line-seize event expiration timer. The default 
value is 15 seconds. The valid range is from 15 to 60. 
Eventlist BLF URI 
Configures the eventlist BLF URI on the phone to monitor the extensions in the 
list with Multi-Purpose Key. If the server supports this feature, users need to 
configure  an  eventlist  BLF  URI  on  the  service  side  first  (i.e., 
BLF1006@myserver.com) with a list of extension included. On the phone, in 
this "eventlist BLF URI" field, fill in the URI without the domain (i.e., BLF1006). 
To  monitor  the  extensions  in  the  list,  under  Web 
GUI->Settings->Programmable Keyspage, please select "eventlist BLF" in the 
key mode, choose account, enter the value of each extension in the list. 
Auto Provision Eventlist 
BLFs 
When  option  is  enabled,  empty  multi-purpose  keys  will  be  automatically 
provisioned  to  the  monitored  extensions  in  the  Eventlist  BLF.  The  default 
setting is “Disabled”. 
Conference URI 
Configures Conference URI for N-way conference (Broadsoft Standard). 
Music On Hold URI 
Configures Music On Hold URI to call when a call is on hold. This feature has 
to be supported on the server side. 
Force BLF Call-pickup by 
prefix 
Configures to always use the prefix for BLF Call-pickup. The default setting is 
“No”. 
BLF Call-pickup Prefix 
Configures the prefix prepended to the BLF extension when the phone picks 
up a call with BLF key. The default setting is **. 
PUBLISH for Presence 
Enables presence feature on the phone. The default setting is "No". 
Omit charset=UTF-8 in 
MESSAGE 
Omit charset=UTF-8 in MESSAGE content-type 
Special Feature 
Different soft switch vendors have special requirements. Therefore users may 
need select special features to meet these requirements. Users can choose 
from Standard, Nortel MCS, Broadsoft, CBCOM, RNK, Sylantro, Huawei IMS 
and  PhonePower  depending  on  the  server  type.  The  default  setting  is 










