AT Commands

57

 

AT command formats

 

 

 

 

Connection Time (sec)

19.968

 

 

OK

 

 

 

The ATI11 command may be issued from online command mode or after the end of a call. After a call, some of the values are no longer valid. The following table defines each command result, and indicates if the result is valid only during the call:

Description

Definition

Last Connection

V.92, V.90, V.34, or V.32,

 

depending on the type of connection

 

negotiated.

Initial Transmit

Initial upstream rate.

Carrier Rate

 

Initial Receive

Initial downstream rate.

Carrier Rate

 

Final Transmit

Current or final upstream rate.

Carrier Rate

 

Final Receive

Current or final downstream rate.

Carrier rate

 

Protocol

LAPM, MNP, or NONE, depending

Negotiation

on V.42 negotiation.

Result

 

Data Compression

V.44, V.42bis, MNP5 or NONE.

Result

 

Estimated Signal/

Signal-to-noise ratio with implied

Noise Level

negative. Higher values indicate

 

better conditions.

Receive Signal

The received signal power which,

Power Level

although labeled in -dBm, is only a

(-dBm)

relative measure for comparing

 

calls to and from different locations.

 

This value is valid only during a

 

call.