User Guide

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Voice Encryption(SRTP): If enabled, all audio signal (It’s RTP
streams indeed) will be encrypted for more security.
4.2.10. Call Related
Max/Min Local Sip Port:To configure maximum /minimum local
SIP port for designated account.
PTime:Interval time between two consecutive RTP packets.
Prevent SIP Hacking:Enable to prevent SIP from hacking in the
Internet.
4.2.11. Remote Control
On the web portal, go to Phone - Call feature.
Remote Controlcould allow specific host to interact with IT83X by
sending HTTP or HTTPS requests. The specific action could be
answering an incoming call, hangup an ongoing call and so on.
Figure 4.2.10-1 Call related
Figure 4.2.11-1 Remote control