User's Manual

720p SIP Multi-unit Video Door Phone with RFID and PoE
HDP-5240PT
53
SIP
Field Name Explanation
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 of previous authentication
Auto TCP
Using TCP protocol to guarantee usability of transport when SIP messages
have more than 1500 bytes
Enable Feature Sync Feature Sync with server
Enable GRUU Support Globally Routable User-Agent URI (GRUU)
BLF Server
The registered server would 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 would 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 would be encrypted
SIP Encryption Key Set the pass phrase for SIP encryption
RTP Encryption Enable RTP encryption such that RTP transmission would be encrypted
RTP Encryption Key Set the pass phrase for RTP encryption
B. Basic Settings
STUNSimple Traversal of UDP through NATA 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.