User's Manual
FIRMWARE VERSION 1.0.0.3 GXP2140 USER MANUAL   Page 44 of 77 
MESSAGE 
Enable User Presence 
Subscription 
The phone will subscribe and notify about user presence to SIP server. The 
SIP server should support this feature. 
Hide Login Soft Key On 
Auto User Presence 
Subscription 
The soft key to login or logout will be hidden on idle screen if auto login ID is 
configured below. 
Auto User Presence ID 
The phone will subscribe  user  presence automatically with this ID  once the 
account is registered. 
Auto User Presence 
password 
The phone will subscribe user presence automatically with this password once 
the account is registered. 
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 or Huawei IMS 
depending on the server type. The default setting is "Standard". 
Account x -> SIP Settings -> Session Timer 
Session Expiration 
The SIP Session Timer extension that enables SIP sessions to be periodically 
"refreshed" via a SIP request (UPDATE, or re-INVITE). If there is no refresh 
via an UPDATE or re-INVITE message, the session will be terminated once 
the session interval expires. Session Expiration is the time (in seconds) where 
the session is considered timed out, provided no successful session refresh 
transaction occurs beforehand. The default value is 180 seconds. 
Min-SE 
The  minimum  session  expiration  (in  seconds).  The  default  value  is  90 
seconds. 
Caller Request Timer 
If set to "Yes" and the remote party supports session timers, the phone will use 
a session timer when it makes outbound calls. 
Callee Request Timer 
If set to "Yes" and the remote party supports session timers, the phone will use 
a session timer when it receives inbound calls. 
Force Timer 
If Force Timer is set to "Yes", the phone will use the session timer even if the 
remote party does not support this feature. If Force Timer is set to "No", the 
phone will enable the session timer only when the remote party supports this 
feature. To turn off the session timer, select "No". 
UAC Specify Refresher 
As a Caller, select UAC to use the phone as the refresher; or select UAS to 
use the Callee or proxy server as the refresher. 
UAS Specify Refresher 
As a Callee, select UAC to use caller or proxy server as the refresher; or select 
UAS to use the phone as the refresher. 
Force INVITE 
The Session Timer can be refreshed using the INVITE method or the UPDATE 
method. Select "Yes" to use the INVITE method to refresh the session timer. 










