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HandyTone-486 User Manual Grandstream Networks, Inc.
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Early Dial
Default is “No”. Use only if proxy supports 484 response.
Allow outgoing call
without
Registration
Default is “No”. When set to “Yes”, the device still has a dial tone and allows
user make outgoing calls even if the device is not registered to the SIP proxy.
Dial Plan Prefix
Sets the prefix added to each dialed number.
No Key Entry
timeout
Default is 4 seconds.
Use # as
Send Key
This parameter allows user to configure the “#” key to be used as the “Send”
(or “Dial”) key. Once set to “Yes”, pressing this key will immediately trigger
the sending of dialed string collected so far. If set to “No”, the “#” key will then
be included as part of the dialed string to be sent out.
Local SIP port
This parameter defines the local SIP port the HandyTone ATA listens and
transmits. The default value is 5060.
Local RTP port
This parameter defines the local RTP-RTCP port pair the HandyTone ATA
listens and transmits. It is the base RTP port for channel 0. When configured,
channel 0 will use this port_value for RTP and the port_value+1 for its RTCP;
channel 1 will use port_value+2 for RTP and port_value+3 for its RTCP. The
default value is 5004.
Use Random Port
Default “No”. If set to “Yes”, the device will pick randomly-generated SIP and
RTP ports. This is usually necessary when multiple HandyTone ATAs are
behind the same NAT.
NAT Traversal
This setting decides whether the NAT traversal mechanism is activated. It
should be set to “Yes” if the device is behind a NAT router. If no outbound
proxy is configured, a STUN server needs to be set to activate STUN detection
mechanism. Usually ITSP will provide these settings.
If this field is set to “Yes”, then the device will periodically (every Keep-alive
interval) send a dummy UDP packet to the SIP server to pinhole the NAT.
Keep-alive interval
Default is 20 seconds. The minimum value allowed is 10 seconds. This is the
interval of sending dummy UDP packet to keep the NAT “pin hole” open.
Use NAT IP:
If configured, the NAT IP address will be used in SIP/SDP message. Default is
blank.
Proxy-Require
SIP Extension to notify SIP server that the unit is behind the NAT/Firewall.
Subscribe for MWI:
Default is “No”. When set to “Yes” a SUBSCRIBE for Message Waiting
Indication will be sent periodically.
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