MX100E SIP-ISDN Gateway Series User Manual
www.newrocktech.com 5-5
Figure 5-3 System Configuration Interface
Table 5-2 System Configuration Parameters
Name Description
Codec
Codecs methods supported by the gateways include G729A/20, G723/30, PCMU/20, PCMA/20,
iLBC/30 and GSM/20 (as shown in table 2-5). This parameter must be set due to no default
value.
Several encoding methods can configure in this item at the same time, separated with “,” in the
middle; the gateways will negotiate with the platform in the order from front to back when
configuring the codec methods
DTMF method
Transmission modes of DTMF signal supported by the gateways include Audio, RFC 2833 and
SIP INFO. The default value is Audio.
Audio: DTMF signal is transmitted to the platform with sessions;
SIP INFO: Separate DTMF signal from sessions and transmit it to the platform in the form
of SIP INFO messages;
RFC 2833: Separate DTMF signal from sessions and transmit it to the platform through
RTP data package in the format of RFC2833.
2833 payload type
Used with
RFC 2833
in the DTMF transmission modes. The default value of 2833 payload type
is 101. The effective range available: 96-127. This parameter should match the setting of
far-end device (e.g. platform).
DTMF on-time
This parameter sets the on time (in ms) of DTMF signal sent from FXO port. The default value
is 100 ms. Generally, the duration time should be set in the range of 80-150 ms.
DTMF off-time
This parameter sets the off time (ms) of DTMF signal sent from FXO port. The default value is
100 ms. Generally, the interval time should be set in the range of 80-150 ms.
DTMF detection
threshold
Minimum duration time of effective DTMF signal. Its effective range is 32-96 ms and the
default value is 48 ms. The greater the value is set, the more stringent the detection is.
Table 5-3 Codec Methods Supported by Gateway
Codec Supported
Bit Rate (Kbit/s)
Time Intervals of RTP Package Sending (ms)
iLBC 13.3/15.2
20/30
GSM
13
20
G729A 8
10/20/30/40
G723 5.3/6.3
30/60
PCMU/PCMA 64
10/20/30/40
5.3.3 SIP Configuration
After login, click
Basic > SIP
tab to open the SIP configuration interface.
