Administration Guide
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HT812/HT814 Administration Guide
Version 1.0.15.4
SIP Registration Failure Retry
Wait Time
Sends re-register request after specific time (in seconds) when registration
process fails. Maximum interval is 3600 seconds (1 hour).
Default is 20 seconds.
SIP Registration Failure Retry
Wait Time upon 403
Forbidden
Sends re-register request after specific time (in seconds) when registration
process fails with error 403 Forbidden. Maximum interval is 3600 seconds (1
hour). Default is 1200 seconds.
Enable SIP OPTIONS/NOTIFY
Keep Alive
Enables SIP OPTIONS or SIP NOTIFY to track account registration status so
the ATA will send periodic OPTIONS/NOTIFY message to server to track the
connection status with the server.
Default setting is No.
SIP OPTIONS/NOTIFY Keep
Alive Interval
Configures the time interval when the ATA send OPTIONS or NOTIFY
message to SIP server. The default setting is 30 seconds, which means the
ATA will send an OPTIONS/NOTIFY message to the server every 30 seconds.
The default range is 1-64800.
SIP OPTIONS Keep Alive Max
Lost
Defines the Number of max lost packets for SIP OPTIONS Keep Alive before
re-registration. Between 3-10, default is 3.
Layer 3 QoS
Defines Diff-Serv values for SIP and RTP.
SIP DSCP (Diff-Serv value in decimal, 0-63, default 26)
RTP DSCP (Diff-Serv value in decimal, 0-63, default 46)
Local SIP Port
Defines local port to use by the HT812/HT814 for listening and transmitting
SIP packets. Default value for FXS 1 is 5060 and 5062 for FXS 2.
Local RTP Port
Defines the local RTP-RTCP port pair the HT812/HT814 will listen and
transmit. It is the HT812/HT814 RTP port for channel 0.
The default value for FXS port is 5004
Use Random SIP Port
Controls whether to use configured or random SIP ports. This is usually
necessary when multiple HT812/HT814 are behind the same NAT.
Default is No.
Use Random RTP Port
Controls whether to use configured or random RTP ports. This is usually
necessary when multiple HT812/HT814 are behind the same NAT.
Default is No.
Enable RTCP
Allows users to enable RTCP. The default setting is “Yes”.
Hold Target Before Refer
Allows user to hold or not hold the phone call before referring.
The default setting is Yes.










