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.
Figure 6-3 Advanced Parameters Page
2. Set the advanced parameters. For a description of the parameters, refer to Table
6-2.
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
68 SJ-20210621164956-009 | 2021-12-07(R1.0)
To Next Page
Loading...
