Preferred Server IP: Preferred Server IP: Enter the SIP proxy serverās IP address.
Port: Port: Set the port for establishing a call session via the outbound proxy server.
Alternate Server IP:Alternate Server IP: Enter the SIP proxy IP address to be used when the main proxy
server malfunctions.
Port: Port: Set the proxy port for establishing a call session via the backup outbound proxy
server.
Data Transmission TypeData Transmission Type
Akuvox intercom devices support four data transmission protocols: User DatagramUser Datagram
Protocol(UDP)Protocol(UDP), Transmission Control Protocol(TCPTransmission Control Protocol(TCP), Transport Layer SecurityTransport Layer Security(TLSTLS),
and DNS-SRVDNS-SRV.
To set it up, go to the web Account > Basic > Transport TypeAccount > Basic > Transport Type interface.
UDP:UDP: An unreliable but very efficient transport layer protocol. It is the default transport
protocol.
TCP: TCP: A less efficient but reliable transport layer protocol.
TLS: TLS: An encrypted and secured transport layer protocol. Select this option if you wish to
encrypt the SIP messages for enhanced security or if the other partyās server uses TLS. To
use it, you need to upload certificates for authentication.
DNS-SRV:DNS-SRV: A DNS service record defines the location of servers. This record includes the
hostname and port number of the server, as well as the priority and weight values that
determine the order and frequency of using the server.
SIP Hacking ProtectionSIP Hacking Protection