Call Settings - Grandstream Networks GAC2570 User Manual

Enable SRTP Key
Lifetime
RTCP Destination
Symmetric RTP
RTP IP Filter
RTP Timeout (s)

Call Settings

Call Features
Auto-answer
Play Warning Tone for
Auto Answer Intercom
Send Anonymous
Reject Anonymous Calls
256 cipher suites for SRTP. If set to "AES 128 bit", it only provides 128-bit
cipher suite; if set to "AES 256 bit", it only provides 256-bit cipher suite. The
default setting is "AES128&256 bit".
Defines the SRTP key lifetime. When this option is set to be enabled, during
the SRTP call, the SRTP key will be valid within 2
GAC2570 will renew the SRTP key after this limitation. The default setting
is "Yes".
Configures a remote server URI where RTCP messages will be sent to
during an active call.
Configures if the device enables the symmetric RTP mechanism.
If it is set to "Yes", the device will use the same socket/port for sending and
receiving the RTP messages.
The default setting is "No".
Receives the RTP packets from the specified IP address and Port by
communication protocol. If it is set to "IP Only", the device only receives
the RTP packets from the specified IP address based on the
communication protocol; If it is set to "IP and Port", the device will receive
the RTP packets from the specified IP address with the specified port
based on the communication protocol.
The default setting is "Disable".
Configures the RTP timeout of the GAC2570. If the GAC2570 does not
receive the RTP packet within the specified RTP time, the call will be
automatically disconnected. The default range is 0-600. If set to 0, the
GAC2570 will not hang up the call automatically.
If set to "Yes", the GAC2570 will automatically answer incoming calls. If set
to "Intercom/Paging Only", it will answer the call based on the SIP Call-Info
or Alert-Info header sent from the server/proxy. The Default is No.
When this option is enabled, the device will play a warning tone When auto-
answering intercom. The default setting is "yes".
If enabled, the "From" header in outgoing INVITE messages will be set to
anonymous, blocking the Caller ID to be displayed. Default is No.
If set to "Yes", anonymous calls will be rejected. Default is No.
GAC2570 User Manual
Version 1.0.1.23
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