GAC2570 User Manual
Version 1.0.1.23
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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”.
Enable SRTP Key
Lifetime
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
31
SIP packets, and
GAC2570 will renew the SRTP key after this limitation. The default setting
is “Yes”.
RTCP Destination
Configures a remote server URI where RTCP messages will be sent to
during an active call.
Symmetric RTP
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".
RTP IP Filter
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”.
RTP Timeout (s)
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.
Call Settings
Call Features
Auto-answer
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.
Play Warning Tone for
Auto Answer Intercom
When this option is enabled, the device will play a warning tone When auto-
answering intercom. The default setting is “yes”.
Send Anonymous
If enabled, the "From" header in outgoing INVITE messages will be set to
anonymous, blocking the Caller ID to be displayed.
Default is No.
Reject Anonymous Calls
If set to "Yes", anonymous calls will be rejected.
Default is No.