Yeastar Technology MyPBX SOHO V4, Administrator'S Manual

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MyPBX SOHO V4/V5 Administrator's Guide
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Note: If it‘s for remote extension, a static public IP address is needed to input
instead.
1.2.3 Security Configuration for Remote Extensions
PBX

Extensions

FXS/VoIP Extensions

VoIP Extensions

General
Enable ―NAT‖ and ―Register remotely‖ like the picture shown below.
Figure H-1-6
Notes:
1.
If remote registration isn‘t required, please disable it.
2. If extensions register to MyPBX via WAN port, please only enable ―register
remotely‖.
1.2.4 TLS registry (Optional)
Introduction
Transport Layer Security (TLS) and its predecessor, Secure Sockets Layer (SSL),
are cryptographic protocols that provide communication security over the
Internet. They use asymmetric cryptography for authentication of key exchange,
symmetric encryption for confidentiality and message authentication codes for
message integrity. Several versions of the protocols are in widespread use in
applications such as web browsing, electronic mail, Internet faxing, instant
messaging and Voice-over-IP (VoIP).
TLS is supported in MyPBX for security SIP registry; you can also register SIP
trunks to VoIP providers via TLS. We need to upload the certificate into MyPBX
and the IP phones together for authorization.
Hackers send the register request to PBX for registry via UDP generally, if TLS is