STUN Server
Configures the STUN server FQDN or IP. If the device is behind a non-symmetric router, STUN server can
help to penetrate & resolve NAT issues.
Local RTP Port Sets the local RTP port for media. Default setting is 5004.
Local RTP Port
Range
Define the range of local RTP port from 48 to 10000
Use Random
Port
Forces the GDS3705 to use random ports for both SIP and RTP messages. This is usually necessary when
multiple units are behind the same full cone NAT. The default setting is “Disabled”
Note: This parameter must be set to “Disabled” for Direct IP Calling to work.
Auto On-Hook
Timer
Configures the auto on-hook timer (in seconds) for automatic disconnecting the SIP call. Default setting
is 300.
Ring ing
Timeout(s)
Specifies the Ring timeout, when no reply is returned from the called party after exceeding this field, the
GDS3705 will hang up the call. The value is in the range of 0s – 90s. By default; it is “30” seconds.
DNS Cache
Expiration
Time(m)
Configures the DNS Cache expiration Time, the default value is 30 , the range is 1-1440
DNS Cache
Duration(m)
Configures the DNS Cache expiration Duration, the default value is 30 , the range is 1-1440
SIP TLS
Certificate
Copy/Paste the TLS certificate here for encryption.
SIP TLS Private
Key
Input private key here for TLS security protection.
SIP TLS Private
Key Password
Specifies the password for SIP TLS private Key.
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