Application Guide
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DP750/DP720 Administration Guide 
Version 1.0.3.37 
Allow Auto Answer 
by Call-info 
If set to "Yes", the phone will automatically turn on the speaker phone to answer 
incoming calls, based on the SIP info header sent from the server/proxy. The default 
setting is "No" 
Custom Call-Info for 
Auto Answer 
Used exclusively to match the contents of the info parameter in the Call-Info header 
for auto answer.  
The default auto answer headers will not be matched if this is defined. 
No Key Entry 
Timeout 
Initiates  the  call  within  this  time  interval  if  no  additional  key  entry  during  dialing 
stage. Default is 4 seconds. 
Off-Hook Auto-Dial 
Delay 
Waits  for  specified  time  (in  seconds)  after  off-hook  before  autodialing  the 
preconfigured number. The range is 0 to 60 seconds. 
Enable Call 
Features 
Enables  do  not  disturb,  call  forward  and  other  call  features  via  the  local  feature 
codes on the base. Otherwise, ITSP feature codes can be used. 
Default is Yes. 
Disable Call Waiting 
Caller ID 
Disables displaying caller ID when receiving a second incoming call.  
Default is No. 
Enable Call Waiting 
in Parallel Mode 
Enables  call  waiting  for  accounts  using this  profile  which  are  set  to  Parallel  ring 
mode. Default is No. 
Disable Visual MWI 
Disables use of visual message waiting indicator when there is an unread voicemail 
message. Default is No. 
Transfer on 
Conference Hang-up 
Transfers the call to the other party if the conference initiator hangs up.  
Default is No. 
Ring Timeout 
Stops ringing when incoming call is not answered within a specific period of time. 
Default is 60 seconds. 
Hunting Group Ring 
Timeout 
Forwards incoming call to the next member of a hunt group if not answered within 
a specific period of time. Default is 20 seconds. 
Send Anonymous 
Sets “From”, “Privacy” and  “P_Asserted_Identity”  headers in outgoing INVITE 
message to “anonymous”, blocking caller ID. Default is No. 
Anonymous Call 
Rejection 
Rejects incoming calls with anonymous caller ID with  “486 Busy here” message. 
Default is No. 
Special Feature 
Selects  Soft  switch  vendors’  special  mode.  Example  of  vendors:  Broadsoft, 
CBCOM, RNK, Huawei, ZTE IME, Phone Power, Metaswitch.   
Default is Standard. 










