PLANET VIP-256PT - Manual (Page 24)

802.3af PoE SIP IP Phone
VIP-256PT
24
GISTER request. Defaults to blank
Maximum number of times (from 0 to 255) a request may be challenged. Max Auth
Default is 2.
Make ALL AVT
Package
For second dial tone, enable t
this item will be 0.
his item package Mark position is 1, disable
If set to yes, unit will include c=0.0.0.0 syntax in SDP when sending a SIP RFC 254.3 Call Hold
re-INVITE to the peer to hold the call. If set to no, unit will not include the c
=0.0.0.0 syntax in the SDP.
The unit will always include a=sendonly syntax in the SDP in either case.
Defaults to yes
SRTP Enable/Disable SRTP(Secure Real-time Transport Protocol)
SRTP encryption type. SRTP Prefer
Encryto
NAT setting
Set your NAT Traversal parameters in the following interface. It is helpful for the device behind NAT
Descriptions Item
NAT Tra l
Enable/Disable NAT.
VIP-256PT supports STU hoose “STUN” in the “NAT
Traversal Mode” if you want traverse NAT/Firewall.
versa N traversal, c
STUN Server IP STUN server IP address, default is stun.fwdnet.net
NAT Refresh Interval (sec) h the interval to refres
Port STUN port