User's Manual
FIRMWARE VERSION 1.0.4.23   GXP1100/GXP1105 USER MANUAL     Page 32 of 46 
For end users, it is recommended to use the default setting, as incorrect 
settings may influence the audio quality. 
No Key Entry Timeout (s) 
Defines the timeout (in seconds) for no key entry. If no key is pressed 
after the timeout, the digits will be sent out. The default value is 4 
seconds. 
Use # as Dial Key 
Allows users to configure the "#" key as the "Send" key. If set to "Yes", 
the "#" key will immediately dial out the input digits. In this case, this key 
is essentially equivalent to the "Send" key. If set to "No", the "#" key is 
included as part of the dialing string. 
G723 Rate  Selects encoding rate for G723 codec. The default value is 5.3kbps. 
G.726-32 Packing Mode  Select "ITU" or "IETF" for G726-32 packing mode. 
iLBC Frame Size  Selects iLBC packet frame size. The default value is 30ms. 
iLBC Payload Type 
Specifies iLBC Payload type. The default value is 97. The valid range is 
between 96 and 127. 
Jitter Buffer Type 
Selects either Fixed or Adaptive based on network conditions. The 
default setting is "Adaptive". 
Jitter Buffer Length 
Selects Low, Medium, or High based on network conditions. The default 
setting is "Medium". 
Use Privacy Header 
Controls whether the Privacy Header will present in the SIP INVITE 
message or not. The default setting is "default", which is when "Huawei 
IMS" special feature is on, the Privacy Header will not show in INVITE. If 
set to "Yes", the Privacy Header will always show in INVITE. If set to 
"No", the Privacy Header will not show in INVITE. 
Use P-Preferred-Identity 
Header 
Controls whether the P-Preferred-Identity Header will present in the SIP 
INVITE message or not. The default setting is "default", which 
is when 
"Huawei IMS" special feature is on, the P-Preferred-Identity Header will 
not show in INVITE. If set to "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. 
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". 










