Zte ZXHN H1600 Maintenance Management Manual page 88

Figure 7-3 Advanced Parameters Page
2. Set the parameters. For a description of the parameters, refer to
Table 7-2 Parameter Descriptions for the VoIP Service
Parameter
DTMF
Jitter Buffer
Minimum
Maximum
3. Click Apply button to apply the changes.
1. On the main page of the ZXHN H1600 device, select VoIP > Advanced > Echo
Cancellation. The Echo Cancellation page is displayed, see
Figure 7-4 Echo Cancellation Page
2. Set the parameters. For a description of the parameters, refer to
SJ-20200218145027-006 | 2021-03-04(R1.0)
Description
DTMF mode. Options:
RFC2833: DTMF digits are carried by RTP streams.

DTMF in Voice: DTMF digits are not processed.

SIP Info

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.
7 Configure the VoIP
Table 7-2.
Figure 7-3.
Table 7-2.
7-3