Grandstream Device Configuration
Admin Password:   (purposely not displayed for security protection)
SIP Server:   (e.g.,, or IP address)
Outbound Proxy:   (e.g.,, or IP address, if any)
SIP User ID:   (the user part of an SIP address)
Authenticate ID:   (can be identical to or different from SIP User ID)
Authenticate Password:   SENHA! (not displayed for security protection)
Name:   (optional, e.g., John Doe)
Home NPA:  
Advanced Options:  
Preferred Vocoder:
(in listed order)
  choice 1:  
  choice 2:  
  choice 3:  
  choice 4:  
  choice 5:  
  choice 6:  
  choice 7:  
G723 rate:   6.3kbps encoding rate       5.3kbps encoding rate
iLBC frame size:   20ms       30ms
iLBC payload type:   (between 96 and 127, default is 97)
Silence Suppression:   No       Yes
Voice Frames per TX:   (up to 10/20/32/64 for G711/G726/G723/other codecs respectively)
Fax Mode:   T.38 (Auto Detect)   Pass-Through
Layer 3 QoS:   (Diff-Serv or Precedence value)
Layer 2 QoS (VoIP):   802.1Q/VLAN Tag     802.1p priority value (0-7)
Layer 2 QoS (PC):   802.1Q/VLAN Tag     802.1p priority value (0-7)
Allow incoming SIP messages
from SIP proxy only:
  No      Yes
Use DNS SRV:   No      Yes
User ID is phone number:    No       Yes
SIP Registration:   Yes     No
Unregister On Reboot:   Yes     No
Register Expiration:   (in seconds. default 1 hour, max 45 days)
Early Dial:   No       Yes (use "Yes" only if proxy supports 484 response)
Allow outgoing call without Registration:   No       Yes
Dial Plan Prefix:   (this prefix string is added to each dialed number)
No Key Entry Timeout:   (in seconds, default is 4 seconds)
Use # as Dial Key:   No       Yes (if set to Yes, "#" will function as the Dial key)
local SIP port:   (default 5060)
local RTP port:   (1024-65535, default 5004)
Use random port:   No      Yes
NAT Traversal:   No   
  Yes, STUN server is: (URI or IP:port)
keep-alive interval:   (in seconds, default 20 seconds)
Use NAT IP   (used in SIP/SDP message if specified)
SUBSCRIBE for MWI:   No, do not send SUBSCRIBE for Message Waiting Indication
  Yes, send periodical SUBSCRIBE for Message Waiting Indication
Offhook Auto-Dial:   (User ID/extension to dial automatically when offhook)
Enable Call Features:   No      Yes (if Yes, Call Forwarding & Call-Waiting-Disable are supported locally)
Use Bell-style
3-way Conference:
  No      Yes (if Yes, *23 will be disabled)
Disable Call-Waiting:   No      Yes
Send DTMF:   in-audio     via RTP (RFC2833)     via SIP INFO
DTMF Payload Type:  
Send Flash Event:   No      Yes   (Flash will be sent as a DTMF event if set to Yes)
Onhook Threshold:  
FXS Impedance:  
Caller ID Scheme:  
Onhook Voltage:  
Polarity Reversal:   No      Yes   (reverse polarity upon call establishment and termination)
NTP Server:   (URI or IP address)
Send Anonymous:   No      Yes   (caller ID will be blocked if set to Yes)
Anonymous Method:   Use From Header      Use Privacy Header  
Time to ring:  
Special Feature:  
Syslog Server:  
Syslog Level:  
Session Expiration:   (in seconds. default 180 seconds)
Min-SE:   (in seconds. default and minimum 90 seconds)
Caller Request Timer:   Yes     No (Request for timer when making outbound calls)
Callee Request Timer:   Yes     No (When caller supports timer but did not request one)
Force Timer:   Yes     No (Use timer even when remote party does not support)
UAC Specify Refresher:   UAC   UAS     Omit (Recommended)
UAS Specify Refresher:   UAC   UAS (When UAC did not specify refresher tag)
Force INVITE:   Yes     No (Always refresh with INVITE instead of UPDATE)
Firmware Upgrade
and Provisioning:
  Upgrade Via     TFTP     HTTP
          Firmware Server Path:
          Config Server Path:

          Firmware File Prefix:           Firmware File Postfix:
          Config File Prefix:               Config File Postfix:    

  Automatic Upgrade:
    No     Yes, check for upgrade every minutes (default 7 days)

    Always Check for New Firmware
    Check New Firmware only when F/W pre/suffix changes
    Always Skip the Firmware Check
Firmware Key:   (in Hexadecimal Representation) 
Authenticate Conf File:   No      Yes   (cfg file would be authenticated before acceptance if set to Yes)
Lock keypad update:   No      Yes   (configuration update via keypad is disabled if set to Yes)
Allow conf SIP Account
in Basic Settings:
  No      Yes  
Override MTU Size:    
Volume Amplification: TX   RX
Call Progress Tones:
Frequency 1
Frequency 2
ON (x10ms)
OFF (x10ms)
Dial Tone
Recall Dial Tone
Message Waiting
Audible Ringing
Busy Tone
Reorder Tone
Offhook Tone
All Rights Reserved Grandstream Networks, Inc. 2005