HT812/HT814 Administration Guide
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 1220 seconds.
Enable SIP
OPTIONS Keep
Alive
Enables SIP OPTIONS to track account registration status so the phone adapter will send
periodic OPTIONS message to server to track the connection status with the server.
Default setting is No.
SIP OPTIONS Keep
Alive Interval
Configures the time interval when the phone adapter send OPTIONS message to SIP
server. The default setting is 30 seconds, which means the phone adapter will send an
OPTIONS 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.
Defines Diff-Serv values for SIP and RTP. Defaults are:
SIP Diff-Serv: 24 / RTP Diff-Serv: 46
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.
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
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.
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.
Refer-To Use
Target Contact
Includes target’s “Contact” header information in “Refer-To” header when using attended
transfer. Default is No.
Transfer on
Conference Hang-
up
If set to "Yes", when the phone hangs up as the conference initiator, the conference call
will be transferred to the other parties so that other parties will remain in the conference
call. Default setting is No.
Disable Bellcore
Style 3-Way
Conference
Gives the users the possibility of making conference calls by pressing “Flash” key, when
it’s enabled by dialing *23 +second callee number. Default is No