UC8000 IPPBX User Manual
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RTP Encryption
Select encrypted SRTP for RTP stream transmission.
SRTP is a secure real-time transmission protocol to
ensure the security of voice communication, SRTP is a
secure real-time transmission protocol to ensure the
security of voice communication.
User Agent
Then co
ntent of the ‘user agent’ field in SIP packets.
Timer T1
The value of timer T1 in SIP protocol. Default value is
500ms.
Timer T2
The value of timer T2 in SIP protocol. Default value is
4000ms.
TimerT4
The value of timer T4 in SIP protocol. Default value is
5000ms.
Timer T1X64 (ms)
The value of timer T1X64 in SIP protocol. Default value
is 32000ms.
Description for SIP server
SIP server is the main part of the VoIP network, responsible for establishing all SIP
calls. SIP server is also called SIP proxy server or registration server. Depending on
the specifications, IPPBXs, softswitches can act as SIP servers. and UC8000 is set
in the Extension->SIP interface to act as this role.
Note:
For more details on how to configure SIP server, please refer to 5.7.1
5.5.2 Codec
At present, UC8000 supports voice codec and video codec, including G729, G723,
PCMU PCMA, and all voice codecs and video codecs are enabled in the default
configuration. Users can also group and prioritize any of the 16 codecs according to
their requirements.
Figure 5.5.2 Add or Delete Codec Profile