DSPPA DSP9323, Руководство пользователя

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SIP Intercom System
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Enable Session Timer
Set the line to enable call ending by session timer refreshment. The call session
will be ended if there is not new session timer event update received after the
timeout period
Session Timeout Set the session timer timeout period
Enable Rport Set the line to add rport in SIP headers
Enable PRACK Set the line to support PRACK SIP message
Keep Authentication Keep the authentication parameters from previous authentication
Auto TCP
Using TCP protocol to guarantee usability of transport for SIP messages above
1500 bytes
Enable Feature Sync Feature Sycn with server
Enable GRUU Support Globally Routable User-Agent URI (GRUU)
BLF Server
The registered server will receive the subscription package from ordinary
application of BLF phone.
Please enter the BLF server, if the sever does not support subscription package,
the registered server and subscription server will be separated.
BLF List Number
BLF List allows one BLF key to monitor the status of a group. Multiple BLF
lists are supported.
SIP Encryption Enable SIP encryption such that SIP transmission will be encrypted
SIP Encryption Key Set the pass phrase for SIP encryption
RTP Encryption Enable RTP encryption such that RTP transmission will be encrypted
RTP Encryption Key Set the pass phrase for RTP encryption
b) Basic Settings
STUN – Simple Traversal of UDP through NAT –A STUN server allows a phone in a private network
to know its public IP and port as well as the type of NAT being used. The equipment can then use this
information to register itself to a SIP server so that it can make and receive calls while in a private
network.