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Setting
Codec priority 7
Enable voice encryption
(SRTP)
Enable G.729 Annex B
Preferred Packetization
Time (ms)
DTMF Payload Type
Quality of Service
Setting
DSCP (voice)
DSCP (signalling)
Signaling Settings
Setting
Local SIP port
Transport
Using the WebUI
VSP716A Administrator and Provisioning Manual
Description
Select the codec to be used last during a call if the previous
codec fails.
Select to enable secure RTP for voice packets.
When G.729a/b is enabled, select to enable G.729
Annex B, with voice activity detection (VAD) and
bandwidth-conserving silence suppression.
Select the packetisation interval time.
Set the DTMF payload type for in-call DTMF from 96–127.
Description
Enter the Differentiated Services Code Point (DSCP) value
from the Quality of Service setting on your router or switch.
Enter the Differentiated Services Code Point (DSCP) value
from the Quality of Service setting on your router or switch.
Description
Enter the local SIP port.
Select the SIP transport protocol:
UDP (User Datagram Protocol) is generally less prone
to latency, but SIP data may be subject to network
congestion.
TCP (Transmission Control Protocol) is the most
reliable protocol and includes error checking and
delivery validation.
TLS (Transport Layer Security)—the VSP716A supports
secured SIP signalling via TLS. Optional server
authentication is supported via user-uploaded
certificates. TLS certificates are uploaded using the
configuration file. See
Parameters" on page 179
provider.
47
"file Module: Imported File
and consult your service
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