Contact Us | News | Documentation | Blog                       Spanish | French
 
> Softswitch
> Class 5 Switch
> Calling Card
> Home Service
> Call Back
> SIP Proxy
> SmarxVideo
> Callshop
> GSM VoIP
> Termination
> PC2Phone
> 1010 Solution
> Hosted IP-PBX
> Direct DID
> Redundancy
> Auto-Provisioning
> DID Forwarding Switch
 
ADD-ON MODULES

Explore Our Add-On Modules

CASE STUDIES
IPsmarx CASE STUDIES
Home > Solutions >Direct DID
 

  Direct DID

 
   Overview     Features     How does it work?    

  How does it work?

  • Call is originated from a PSTN number

  • Call is received by the Softswitch and redirected to the VoIP gateway

  • The gateway verifies the subscribed destination number and account balance

  • Billing server signals gateway to transfer the call to the desired destination
 
 
 
Copyright © 2001 - 2008 IPsmarx Technology Inc. All rights reserved.