How TAP Works?



What is TAP?

TAP defines the first standard for sending alphanumeric messages to pagers.


TAP - Telelocator Alphanumeric Protocol

TAP initially known as Motorola Page Entry (PET) was adopted in September of 1988, by PCIA or the Personal Communication Industry Assosication (at the time known as Telelocator). TAP defines the wireless standard for sending alphanumeric messages to pagers.

The TAP/IXO Alphanumeric Entry Protocol is the industry standard protocol for the inputting of paging requests to terminals.

Since the inception of TAP, the system and reciever capabilities have expanded dramatically and new telecommunications protocols have been introduced.

The standard TAP protocol supports ASCII with XOn, XOff in either direction using a 10 bit code (1 start, 7 data, even parity, 1 stop).

The following steps are the TAP standard. All paging terminals and sending software that adhere to the TAP protocol follow these steps:

Step 1: Off Hook
Step 2: Carrier Up
Step 3: Attention
Step 4: Logon
Step 5 A/M: Automatic and Manual Modes
Step 6: Logon Acceptance, Optional Greeting, and/or Instructional Message
Step 7: Message Go Ahead
Step 8: Message Transaction
Step 9: Device Disconnect Sequence
Step 10: Optional Acceptability Message, Unacceptable Message Content, and System Disconnect
Step 11: On Hook

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