Specifications

MyPBX SOHO Administrator Guide
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with devices hidden behind a NAT device (such as a broadband router). If you have
one-way audio problems, you usually have problems with your NAT configuration or your
firewall's support of SIP and/or RTP ports.
·Qualify
Send check alive packets to IP phones.
·Enable SRTP
Enable extension for SRTP (RTP Encryption).
·Transport
This will be the transport method used by the extension. The options are UDP (default) or
TCP or TLS.
·DTMF Mode—RFC2833, Info, Inband, Auto.
·Remote Register
Allow to register remote extensions.
If you enable “Remote Register”, the extension password must include uppercase letters,
lowercase letters, and digits.
This option is used to enhance the system security, it’s disabled by default.
More details for the system security configuration, please refer to APPENDIX H MyPBX
Security Configuration Guide
Other Options