Asterisk Configure PSTN analog card to make the SIP soft phone call out outside by PSTN fixed telephone

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View hardware configuration # Dahdi_hardware

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View Dahdi Service Configuration
More/etc/dahdi/system.conf
Show the following content, obviously less my PSTN card configuration
# Global Data


Loadzone = us
Defaultzone = us


Rebuilding the Dahdi service configuration
#dahdi_genconf


View Dahdi Service Configuration again
# more/etc/dahdi/system.conf
Show
# autogenerated by/usr/sbin/dahdi_genconf on Wed Aug 15 22:09:20 2012
# If You edit this file and execute/usr/sbin/dahdi_genconf again,
# your manual changes would be LOST.
# Dahdi Configuration File
#
# This file was parsed by the Dahdi Configurator, dahdi_cfg
#
# Span 1:wcfxo/0 "wildcard x100p Board 1" (MASTER)
Fxsks=1
echocanceller=mg2,1


# Global Data


Loadzone = us
Defaultzone = us

Reboot the entire Linux server to take effect DAHDI configuration changes.

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See if there is a PSTN channel inside the asterisk.

# ASTERISK-RVVVV

> Dahdi Show Channels
Chan Extension Context Language MOH interpret Blocked state
Pseudo default en default in Service
1 from-pstn en default in Service

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Now, if trunk, Outbund route is correct, the user can connect to this asterisk from the SIP phone and dial out via PSTN landline.

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Legacy issues:

However, the configuration is not yet configured for the Chinese telephone system, there may be a problem hanging up the phone.