7 Configure the VoIP
Figure 7-3 Advanced Parameters Page
2. Set the parameters. For a description of the parameters, refer to Table 7-2.
Table 7-2 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
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.
Minimum Minimum value of the jitter range, default: 20 ms.
Maximum Maximum value of the jitter range, default: 200 ms.
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 7-3.
Figure 7-4 Echo Cancellation Page
2. Set the parameters. For a description of the parameters, refer to Table 7-2.
SJ-20200218145027-006 | 2021-03-04(R1.0) 7-3
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