User Guide

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Admin Guide
4.2.6. Encryption
Go to Account - Advanced to configure.
If enabled, voice will be encrypted.
4.2.7. NAT
Go to Account - Advanced to display NAT related settings.
UDP Keep Alive message: If enabled, the phone will send UDP
keep-alive message periodically to router to keep NAT port alive.
UDP Alive Msg Interval: Keep alive message interval.
Rport: Remote port, if enabled, it will add remote port into outgoing
SIP message for designated account.
4.2.8. User Agent
Go to Account - Advanced to configure. One can customize user
agent field in the SIP message. If user agent is set to specific value,
users can see the information from PCAP. If user agent is not set
Figure 4.2.11 Encryption
Figure 4.2.12 NAT
Figure 4.2.13 User Agent