What is the easiest way to avoid congestion in the CDMA2000 (3G CDMA) network?

• A. Install new BTS in that area
• B. Increase the number of PCM links ( 2 mbps links) between systems of CDMA architecture.
• C. Add more links to Packet Data Networks (PDN) and Public Switched Telephone Networks (PSTN)
• D. All the above