Business DID/DOD or Direct Inward Dialing (DID) and Direct Outward Dialing (DOD) are special voice features for trunk lines specifically built to enable incoming / outgoing calls without operator assistance. DID/DOD trunk lines utilize number blocks terminating within the central office. They can be installed via copper or fiber through E1 leased line installation.

Features and Benefits

  • Extensive nationwide coverage with 242 serving local exchanges
  • Shorter lead-time to install and quicker service as required
  • Full 64Kbps voice bandwidth per line
  • High quality voice communications
  • Multi-line feature
  • Savings on mainline subscription through user sharing (local stations)
  • Direct-to-local feature (DID service)
  • Eliminates the assistance of a telephone operator
  • Reduces traffic congestion within the PABX system

General Market

  • Need to access a bigger base of more than 2M fixed line and 21M cellular subs
  • Need to access various PLOT value added services such as toll free services
  • Want premium phone service
  • Want to develop voice disaster recovery and inter-company promos

Large Corporations

  • Cost savings in terms of mainline subscription and operator staff
  • Simple to advance PBX functionality such as Interactive Voice Response Service (IVRS) and call data reports
  • Easier voice communication within the company’s voice network
  • Internet Service Providers

Sign up for exclusive insights, news, and product updates!