Grandstream IP Phone Configuration
MAC Address:   00.0B.
Product Model:   BT100
Software Version:   Program--    Bootloader--    HTML--    VOC--
Custom Ring Tone:   ring1--   ring2--   ring3--
  (all zeroes means unavailable or unsupported)
Admin Password:   (Admin user password to configure this IP phone)
End User Password:   (end user password to configure this IP phone)
IP Address:
dynamically assigned via DHCP (default) or PPPoE
(will attempt PPPoE if DHCP fails and following is non-blank)
  PPPoE account ID:
  PPPoE password:
   Use this DNS server (if specified): . . .
statically configured as:
       IP Address:   . . .
       Subnet Mask:   . . .
       Default Router:   . . .
       DNS Server 1:   . . .
       DNS Server 2:   . . .
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:  
Name:   (optional, e.g., John Doe)
Advanced Options:  
Preferred Vocoder:
(in listed order)
  choice 1:  
  choice 2:  
  choice 3:  
  choice 4:  
  choice 5:  
  choice 6:  
  choice 7:  
  choice 8:  
G723 rate:   6.3kbps encoding rate       5.3kbps encoding rate
iLBC frame size:   20ms       30ms
iLBC payload type:   (between 96 and 127, default is 98)
Silence Suppression:   No      Yes
Voice Frames per TX:   (up to 10/20/32/64 for G711/G726/G723/other codecs respectively)
Layer 3 QoS:   (Diff-Serv or Precedence value)
Layer 2 QoS:   802.1Q/VLAN Tag     802.1p priority value (0-7)
Use DNS SRV:   No      Yes
User ID is phone number:   No      Yes
SIP Registration:   Yes     No
Unregister On Reboot:   Yes     No
Register Expiration:   (in minutes. default 1 hour, max 45 days)
Early Dial:   No      Yes (use "Yes" only if proxy supports 484 response)
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 "(Re-)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   (if specified, this IP address is used in SIP/SDP message)
Proxy-Require:   (if specified, the content will appear in Proxy-Require header)
TFTP Upgrade Server:   . . . (for remote software upgrade and configuration)
HTTP Upgrade Server:   (IP address or URL)
Auto Upgrade:   No      Yes, check for new firmware every days (default 7 days)
Voice Mail UserID:   (User ID/extension for 3rd party voice mail system)
SUBSCRIBE for MWI:   No, do not send SUBSCRIBE for Message Waiting Indication
  Yes, send periodical SUBSCRIBE for Message Waiting Indication
Auto Answer:   No      Yes
Offhook Auto-Dial:   (User ID/extension to dial automatically when offhook)
Enable Call Features:   No      Yes (if Yes, Call Forwarding & Do-Not-Disturb are supported locally)
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)
NTP Server:   (URI or IP address)
Time Zone:  
Date Display Format:   Year-Month-Day
Daylight Savings Time:   No      Yes   (if set to Yes, display time will be 1 hour ahead of normal time)
Default Ring Tone:   system ring tone
  custom ring tone 1, used if incoming caller ID is
  custom ring tone 2, used if incoming caller ID is
  custom ring tone 3, used if incoming caller ID is
Send Anonymous:   No      Yes   (caller ID will be blocked if set to Yes)
Lock keypad update:   No      Yes   (configuration update via keypad is disabled if set to Yes)