Grandstream Networks GXP1450 User Manual page 41

SUBSCRIBE for MWI
SUBSCRIBE for Registration
Feature Key Synchronization
PUBLISH for Presence
Proxy-Require
Voice Mail UserID
Send DTMF
DTMF Payload Type
Early Dial
Dial Plan Prefix
Dial Plan
FIRMWARE VERSION 1.0.4.23
"Keep-Alive". Configure this to be "No" if an outbound proxy is used.
"STUN" cannot be used if the detected NAT is symmetric NAT.
When set to "Yes", a SUBSCRIBE for Message Waiting Indication will
be sent periodically.
non-synchronized MWI. The default setting is "No".
When set to "Yes", a SUBSCRIBE for Registration will be sent out
periodically. The default setting is "No".
This feature is used for Broadsoft call feature synchronization. When it's
enabled, DND and Call Forward features can be synchronized with
Broadsoft server. The default setting is "Disabled".
Enables Presence feature on the phone. The default setting is "No".
A SIP Extension to notify the SIP server that the phone is behind a
NAT/Firewall. Do not configure this parameter unless this feature is
supported on the SIP server.
Allows you to access voice messages by pressing the MESSAGE button
on the phone. This ID is usually the VM portal access number. For
example, in Asterisk server, 8500 could be used.
Specifies the mechanism to transmit DTMF digits. There are 3
supported modes: in audio which means DTMF is combined in the audio
signal (not very reliable with low-bit-rate codecs), via RTP (RFC2833), or
via SIP INFO.
Configures the payload type for DTMF using RFC2833. The default
value is 101.
Selects whether or not to enable early dial. If it's set to "Yes", the SIP
proxy must support 484 response. The default setting is "No".
Sets the prefix added to each dialed number.
A dial plan establishes the expected number and pattern of digits for a
telephone number. This parameter configures the allowed dial plan for
the phone.
Dial Plan Rules:
1. Accepted Digits: 1,2,3,4,5,6,7,8,9,0 , *, #, A,a,B,b,C,c,D,d;
2. Grammar: x - any digit from 0-9;
a) xx+ - at least 2 digit numbers
b) xx. - only 2 digit numbers
c) ^ - exclude
d) [3-5] - any digit of 3, 4, or 5
GXP2120/GXP2110/GXP2100/GXP1450 USER MANUAL
The phone supports synchronized and
Page 41 of 69