D2200-SIPUser Manual
2.6.5
DTMFSettings
There are three common standards of DTMF, RFC2833,Inband and SIP Info. User
should consult to service provider which one is correct and suitable to setting. Pleaseclick the
“Apply” button after finishing.
2.6.6
STUNSettings
If SIPphone is behind NAT, user should use a STUNserver which is outside current
local network, to translate the IP address from the private to public. Setup of STUNserver
allows SIPphone connect to SIPservice provider outside current local network. There are some
STUNservers which are free of charge over internet. The famous one is stun.xten.com. Please
click the “Apply” button after finishing.
2.6.7
OtherSettings
2.6.7.1
Voice QoS (Diff-Serv)
Voice Quality of Serviceallows user set the priority of voice packet passthrough the
router or firewall which connects to Internet. The higher value is set, the higher
priority it gets.
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Summary of Contents for D2200-SIP
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