Table 33: Sip Extension Configuration Parameters - Media - Grandstream Networks UCM6510 User Manual

User Settings
First Name
Last Name
Email Address
User Password
Language
Concurrent Registrations
Mobile Phone Number
SIP Settings
NAT
Can Direct Media
DTMF Mode
Configure the first name of the user. The first name can contain characters,
letters, digits and _.
Configure the last name of the user. The last name can contain characters,
letters, digits and _.
Fill in the Email address for the user. Voicemail will be sent to this Email
address.
Configure the password for user portal access. A random numeric
password is automatically generated. It is recommended to use the
randomly generated password for security purpose.
Select the voice prompt language to be used for this extension. The default
setting is "Default" which is the selected voice prompt language under web
GUI->PBX->Internal Options->Language. The dropdown list shows all
the current available voice prompt languages on the UCM6510. To add
more languages in the list, please download voice prompt package by
selecting "Check Prompt List" under web UI->PBX->Internal Options-
>Language.
The maximum endpoints which can be registered into this extension. For
security concerns, the default value is 1.
Configure the phone number for the extension, user can type the related
star code for phone number followed by the extension number to call
directly this number.
Example: user can type *881000 to call the mobile number associated with
extension 1000.
Table 33: SIP Extension Configuration Parameters – Media
Use NAT when the UCM6510 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 UCM6510 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 UCM6510 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
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