GWP1600/2120 User Manual
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OpenVox Communication Co. ,LTD.
Website: www.openvox.cn
5.3.4 Media
Figure 5-22 Media Settings
Table 5-16
Instruction of Media
Options
Definition
Premature Media
Some ISDN links send empty media frames before the call is
in ringing or progress state. The SIP channel will then send
183 indicating early media which will be empty - thus users
get no ring signal. Setting this to "yes" will stop any media
before we have call progress (meaning the SIP channel
will not send 183 Session Progress for early media). Default
is 'yes'. Also make sure that the SIP peer is configured with
progressinband=never. In order for 'noanswer' applications
to work, you need to run the progress() application in the
priority before the app.
TOS for SIP Packets
Sets type of service for SIP packets
TOS for RTP Packets
Sets type of service for RTP packets
5.3.5 Codec Settings
Select codecs from the list below.