Configure The Advanced Parameters Of Voip - Zte H3140 Maintenance Management Manual

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
6-2.
Table 6-2 Advanced Parameter Descriptions for the VoIP Service
Parameter
DTMF
Jitter Buffer
Min Value
Max Value
3. Click Apply button to apply the changes.
Configure the Echo Cancellation
68
Figure 6-3.
Description
DTMF mode. Options:
RFC2833: DTMF digits are carried by RTP streams.

DTMF in Voice: DTMF digits are not processed.

SIP Info:SIP protocol information.

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.

Minimum value of the jitter range, default: 20 ms.
Maximum value of the jitter range, default: 200 ms.
SJ-20210621164956-009 | 2021-12-07(R1.0)
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