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CODEC Priority
Supported CODECs and their corresponding priority for the IP end to establish a
call conversation. The table below explains the sub-items:
Sub-item
Description
Priority
Priority for choosing the CODEC in an SIP conversation. The
smaller the value is, the higher the priority will be.
CODEC
Three optional CODECs are supported:
G711A
,
G711U
,
G729A/B
,
G723
, G722, AMR and
iLBC
.
Packing Time
Time interval for packing an RTP packet, calculated by ms.
Bit Rate
The number of thousand bits (excluding the packet header) that
are conveyed per second.
By default, all of the seven CODECs are supported and ordered G711A, G711U,
G729A/B, G723, G722, AMR and iLBC by priority from high to low.
The packing time and bit rate supported by different CODECs are listed in the table
below. Those values in bold face are the default values.
COEDC
Packing Time (ms)
Bit Rate (kbps)
G711A
10 /
20
/ 30 / 40 / 60
64
G711U
10 /
20
/ 30 / 40 / 60
64
G729A/
B
10 /
20
/ 30 / 40 / 60
8
G723
30
/ 60
5.3 /
6.3
G722
10 / 20 /
30
/ 40
64
AMR
20
/ 40 / 60
4.75
iLBC
20
/ 40
15.2
30
/ 60
13.3
3.5 Advanced Settings
Advanced Settings includes eleven parts:
Network
,
System Param
,
Service Config
,
Dialing
Rule
,
Function Key
,
Cue Tone
,
Color Ring
,
QoS
,
Tone Generator
,
CDR Query
and
VPN
. See
Figure 3-28.
Network
is used to configure the general properties of the network port;
System
Param
is used to configure some properties of the system;
Service Config
is used to configure
some properties which corresponds to the service;
Dialing Rule
is used to set the judging
conditions for dialing;
Function Key
is used to set a cluster of combination keys for you to query
or set the network port;
Cue Tone
is used to set the gateway language for playing voice and the
voice file used for the two-stage dialing;
Color Ring
is used to upload the color ring file which can
be set as a ringback tone for an incoming call from IP to wireless port;
QoS
uses the differentiated
services technology to increase the gateway
‟s service quality;
Tone Generator
is used to
configure some properties of tones sent from gateway;
CDR Query
is used to inquire the detailed
call record;
VPN
makes use of the tunnel technology to transport the data, and the methods of
user authentication and data encryption to prevent the data being read and distorted when they
are transported on the public network.
S
MG
Series
Wireless
Gateway
User
Manual
(Version
1.9.0)
