Cellular Backhaul Service

Specifications

• A and E interface specifications:
  • Mobile switching center (MSC) to base station controller (BSC) backhaul link
  • Codecs supported: G.711, G.723 and G.729
• Abis and Ater interface specifications:
  • Base Station Controller (BSC) to Base Transceiver Station (BTS) and Transcoder Rate Adapter Unit (TRAU) to Base Transceiver Station (BTS) access links
  • GSM codecs supported: FR, EFR, HR and AMR (both FR and HR)
• Supports both CDMA* and GSM cellular networks
• Traffic types supported: 3G (UMTS, CDMA), 2.5G (EGDE), GPRS data, 2G, IP data, SS7 signaling, PCU signaling and Signaling Connection Control Part service (SCCP)
• A and E interface optimization ratio: Up to 16:1 & up to 8:1 SS7 traffic optimization
• Voice and data aggregation and compression
• Abis and Ater interface optimization ratio: Up to 3:1 (2G) and up to 4:1 (2.5G)