Grandstream Networks GRP26 Series, Security Manual, Page: 12 / 18

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GRP26XX Security Manual
SRTP
To protect voice communication from eavesdropping, the GRP support SRTP for media traffic using AES
128&256. It is recommended to use SRTP if it’s supported by the SIP server (Or the service provider).
SRTP can be configured under
Web GUI
→
Account X
→
Audio Settings.
Figure 11 : SRTP Settings
Selects SRTP mode to choose (“No”, “Enabled but not forced”, “Enabled and forced”, or “Optional”).
Default is No. It uses SDP Security Description to exchange key.
SNMP
SNMP protocol is used for Network management. We recommend disabling it if it is not in use. Users can
do that from the GRP’s Web GUI, under
Network
→
SNMP Settings page:
- Set “ Enable SNMP :” to “No”
Figure 12 : SNMP Setting