Grandstream Networks UCM6108 User Manual page 59

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Ring Timeout
Technology
SIP
IAX
SIP Settings
NAT
Can Reinvite
DTMF Mode
Insecure
Firmware Version 1.0.2.21
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recommended to use this password for security purpose.
Use Extension as Password.
x
Enter a password to be used on all the extensions in the batch.
x
Configure the number of seconds to ring the user before the call is
forwarded to voicemail (voicemail is enabled) or hang up (voicemail is
disabled). If not specified, the default ring timeout is 60 seconds on the
UCM6100, which can be configured in the global ring timeout setting
under web GUI->Internal Options->IVR Prompt: General Preference.
The valid range is between 5 seconds and 600 seconds.
Note:
If the end point also has a ring timeout configured, the actual ring
timeout used is the shortest time set by either device.
Select "SIP" if the users are using SIP or a SIP device. The default
setting is enabled.
Select "IAX" if the users are using IAX or a IAX device. The default
setting is disabled.
Use NAT when the PBX is on a public IP communicating with devices
hidden behind NAT (e.g., broadband router). If there is one-way audio
issue, usually it's related to NAT configuration or Firewall's support of
SIP and RTP ports. The default setting is enabled.
By default, the PBX will route the media steams from SIP endpoints
through itself. If enabled, the PBX will attempt to negotiate with the
endpoints to route the media stream directly. It is not always possible for
the PBX to negotiate endpoint-to-endpoint media routing. The default
setting is "No".
Select DTMF mode for the user to send DTMF. The default setting is
"RFC2833". If "Info" is selected, SIP INFO message will be used. If
"Inband" is selected, 64-kbit codec PCMU and PCMA are required.
When "Auto" is selected, RFC2833 will be used if offered, otherwise
"Inband" will be used.
Port: Allow peers matching by IP address without matching port
x
number.
Very: Allow peers matching by IP address without matching port
x
number. Also, authentication of incoming INVITE messages is not
required.
UCM6100 Series IP PBX User Manual Page 58 of 159