CPCD was adopted by companies with analog systems to make them more competitive with digital systems
CPCD stands for cellular digital packet data
Here's from the N800 Manual: To use a packet switched data service in a cellular network, such as GPRS, select Packet Data. To use a circuit switched data service in a cellular network, such as HSCSD, select Data Call.
It transmits each packet in a multipacket message independently It supports interoperability between digital devices with different data rates
Packet data means internet data service pack.
how to activate packet data
For example, personal digital assistants and cellular telephones communicate with desktop computers through data transfer.
how to deal with packet data errors
Yeah good question WHAT are Packet Data Settings? Hopefully you get a answer.
LAPD
Probably one packet.
the ratio of the number of delivered data packet to the destination. This illustrates the level of delivered data to the destination.∑ Number of packet receive / ∑ Number of packet send
Telegrams are sent in data packets. Bits packet frame segment data mean data packet and they belongs to Data link layer. Bye.