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PCO - Protocol Configuration Options

PCO is used in LTE as a means by which the mobile can indirectly exchange information with the P-GW. The information is typically related to particular PDN connection, with examples of PCO information including the address of a DNS server and IP address of the P-CSCF (for VoLTE operation).


  • Fully interactive 3GPP based network map
  • Narrated call flows
  • Detailed network procedures

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