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Local number and call route
This chapter describes local numbers, call routes, fax and modem, call services, and advanced
settings.
Local numbers and call routes
Local numbers and call routes are basic settings for making voice calls.
• Local number configuration includes setting a local telephone number and authentication
information used for registration.
• Call route configuration includes setting a destination telephone number and call route type.
You can select either SIP routing or trunk routing as the call route type. SIP routing includes
proxy server mode, IP routing mode, and binding server group mode.
For more information about basic settings of local number and call route, see Basic settings.
Fax and modem
After completing the VoIP configurations (that is, the basic settings of local number and call route),
you can make IP calls. Generally, if you connect the device to a fax machine or a modem, you can
send and receive faxes with the default settings. In the fax and modem configuration page, you can
adjust some parameters according to your needs.
For more information about fax and modem configuration, see Fax and modem.
Call services
Call services contains various new functions on the basis of voice basic call to meet the application
requirements of VoIP users.
For more information about call services configuration, see Call services.
Some call services requi
re the involvement of a voice server. For information about how to configure
the voice server, see "Configuring SIP connections."
Advanced settings
The advanced settings include the following parts:
• Coding parameters—This part includes the configuration of codec priorities and packet
assembly intervals. The voice codec affects the voice bandwidth and voice quality. You must
select a proper codec according to the actual network. The packet assembly interval depends
on the network bandwidth and network architecture, and affects codec delay time.
• Others—This part includes the configuration of number selection priority, dial prefix, called
number sending mode, DTMF transmission mode, DSCP field value, and so on.
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