H3140 Maintenance Management Guide
6.3 Configure the Advanced Parameters of VoIP
Abstract
This procedure describes how to configure advanced parameters of the VoIP service, in-
cluding echo cancellation, jitter buffer, and DTMF.
Steps
Configure the Advanced Parameters
1. On the main page of the H3140, select
VoIP > Advanced
. The
Advanced Parame-
ters
page is displayed, see
.
Figure 6-3 Advanced Parameters Page
2. Set the advanced parameters. For a description of the parameters, refer to
.
Table 6-2 Advanced Parameter Descriptions for the VoIP Service
Parameter
Description
DTMF
DTMF mode. Options:
RFC2833
: DTMF digits are carried by RTP streams.
DTMF in Voice
: DTMF digits are not processed.
SIP Info
:SIP protocol information.
Jitter Buffer
The variation in packet delay is called jitter. Jitter buffer refers to inten-
tional delay of packets. Options:
Fixed
: A fixed buffer time must be specified.
Adaptive
: A jitter range must be specified.
Min Value
Minimum value of the jitter range, default: 20 ms.
Max Value
Maximum value of the jitter range, default: 200 ms.
3. Click
Apply
button to apply the changes.
Configure the Echo Cancellation
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SJ-20210621164956-009 | 2021-12-07(R1.0)
Содержание H3140
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