The document discusses various components of a calling card system including a calling card company, types of calling cards, billing servers, dynamic routing policies, rate management, gateway switches, and monitoring. It provides information on vendors that provide voice carrier suites and gateway switches as well as common issues that can occur.

2.  Prepaid Postpaid Concept
 What is calling card company?
 Calling card Types:
• Whole Sale
• Retail

3.  “Keyhan Telecom Company”
 Remote Desktop
 User Access
 Advisor

4. ISP Retail
Billing Server

5.  Vendor: Jerasoft Voice Carrier Suite (VCS)
 Concept

6.  Dynamic Routing
 Multiple routing policies
 Profitability control, block unprofitable calls
 Capacity control and active calls tracking
 Dynamic number translation
 Quality control and routes monitoring

7.  Rate Management
 Rate Analysis
 Rate Generator
 LCR List
 Accounting

8.  Concept
 Difference
with Switch
 Types:
 Class 4 & 5

9.  Call-control Intelligence
 Protocol inter-networking
 Service ports
 Video Support
 High Availability
 Local Number Portability (LNP)

10.  Vendor: Sansay VSX
 Device Types:
 1U and 2U
 Server Types:
 Single or Multi Server

11.  GUI
 CDR
 User Management
 SNMP Server
 System Management

12.  Radius
 CNAM
 LNP
 Teleblock

13.  Resource
 NAT
 DIGIT Translation
 Protocols

14.  Codec
 G.711
 G.729
 Signalling
 H.323
 SIP

15.  Routes
 Alias
 Digit Match
 Route Table  Policies
 Top Down
 Round Robin
 Percentage Based

16.  Monitoring
 Most common issues
 Physical Connectivity