Grandstream Networks GXP2124 User Manual page 48

Crypto Life Time
Symmetric RTP
Silence Suppression
Voice Frames Per TX
G723 Rate
G.726-32 Packing Mode
iLBC Frame Size
iLBC Payload Type
Jitter Buffer Type
Jitter Buffer Length
Account x -> Call Settings
Early Dial
Dial Plan Prefix
Dial Plan
FIRMWARE VERSION 1.0.6.11
Choose whether to include the lifetime parameter in SRTP crypto offer.
Defines whether symmetric RTP is supported or not. The default setting is
"No".
Controls the silence suppression/VAD feature of the audio codec G.723 and
G.729. If set to "Yes", when silence is detected, a small quantity of VAD
packets (instead of audio packets) will be sent during the period of no talking.
If set to "No", this feature is disabled. The default setting is "No".
Configures the number of voice frames transmitted per packet. When
configuring this, it should be noted that the "ptime" value for the SDP will
change with different configurations here. This value is related to the codec
used and the actual frames transmitted during the in payload call. For end
users, it is recommended to use the default setting, as incorrect settings may
influence the audio quality.
Selects encoding rate for G723 codec. The default value is 5.3kbps.
Selects "ITU" or "IETF" for G726-32 packing mode.
Selects iLBC packet frame size. The default value is 30ms.
Specifies iLBC Payload type. The default value is 97. The valid range is
between 96 and 127.
Selects either Fixed or Adaptive based on network conditions. The default
setting is "Adaptive".
Selects Low, Medium, or High based on network conditions. The default
setting is "Medium".
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+ or xx. - at least 2 digit numbers
b) xx - only 2 digit numbers
c) ^ - exclude
d) [3-5] - any digit of 3, 4, or 5
GXP2124 USER MANUAL Page 46 of 75