MAGICXPRESS
MX56PCM - T
| 
 Card Type  | 
 Modem/Fax card  | 
| 
 Chip Set  | 
 Unidentified  | 
| 
 Maximum Modem Rate  | 
 56.0Kbps  | 
| 
 Maximum Fax Rate  | 
 14.4Kbps  | 
| 
 Data Modulation Protocol  | 
 Bell 103A/212A ITU-T V.34, V.32bis, V.32, V.22bis, V.23, V.22, V.21  | 
| 
 Fax Modulation Protocol  | 
 ITU-T V.17, V.27ter, V.29, T.4, T.30  | 
| 
 Error Correction/Compression  | 
 MNP5, V.42, V.42bis  | 
| 
 Fax Class  | 
 Class I & II  | 
| 
 Data Bus  | 
 PCMCIA  | 
54388
| 
 SUPPORTED COMMAND SET  | 
| 
 Basic AT Commands  | 
| 
 AT, ‘+++’, A/  | 
| 
 A, C, E, F, H, M, P, Q, T, V, W, Y, Z  | 
| 
 &B, &C, &G, &V, &Z  | 
| 
 Extended AT Commands  | 
| 
 \J, \V  | 
| 
 -C  | 
| 
 S Registers  | 
| 
 S0, S1, S2, S3, S4, S5, S6, S7, S8, S10, S11, S12, S30  | 
| 
 
  | 
| 
 Note: See MHI Help File for full command documentation. | 
Proprietary AT Command Set
| 
 COMMUNICATION PROTOCOLS  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] Bn [cmds]  | 
| 
 Description:  | 
 Selects the communication protocol for data calls  | 
Note: The B command allows the simultaneous selection of more than one suffix, enabling multiple protocols.  | |
| 
 Command  | 
 Protocol  | 
| 
 B0  | 
 ITU-T V.22 at 1200bps  | 
| 
 í B1 | 
 Bell 212A at 1200bps  | 
| 
 B2  | 
 Unselects V.23 reverse channel  | 
| 
 B3  | 
 Unselects V.23 reverse channel  | 
| 
 B15  | 
 ITU-T V.21 when operating at 300bps  | 
| 
 í B16 | 
 Bell 103J AT 300BPS  | 
| 
 DIAL  | |
| 
 Type:  | 
 Immediate  | 
| 
 Format:  | 
 AT [cmds] D<#> [cmds]  | 
| 
 Description:  | 
 Dials telephone number according to any modifiers included in the string  | 
| 
 Note:  | 
 Any combination of modifiers can be used to produce the desired dial functions in sequence.  | 
| 
 Command  | 
 Function  | 
| 
 DL  | 
 Re-dial last number  | 
| 
 DP  | 
 Pulse dialing enabled  | 
| 
 DV  | 
 Speakerphone enabled.  | 
| 
 DS=n  | 
 Dial stored telephone number n  | 
| 
 í DT | 
 Tone dialing enabled/Pulse dialing disabled  | 
| 
 DW  | 
 Dialing resumed following dial tone detection  | 
| 
 D,  | 
 Dialing paused for amount of time specified in S8 register  | 
| 
 D!  | 
 Flash function initiated. Modem commanded to go off-hook for specified time before returning on-hook.  | 
| 
 D@  | 
 Wait for Quite Answer function enabled. Modem waits until a "quiet answer," a ring-back signal followed by silence up to the time specified in S7, is received prior to executing the rest of the dial string.  | 
| 
 D;  | 
 Modem returned to idle state after dialing. The semicolon can only be placed at the end of the dial command.  | 
| 
 D$  | 
 Bong tone detection  | 
| 
 D^  | 
 Data calling tone transmission disabled  | 
| 
 REPORT INFORMATION  | |
| 
 Type:  | 
 Immediate  | 
| 
 Format:  | 
 AT [cmds] In [cmds]  | 
| 
 Description:  | 
 Displays information requested  | 
| 
 Command  | 
 Function  | 
| 
 I0  | 
 Reports modem model and speed  | 
| 
 I1  | 
 Reports ROM checksum  | 
| 
 I2  | 
 Tests and reports ROM checksum  | 
| 
 I3  | 
 Reports modem model and speed  | 
| 
 I4  | 
 Reports firmware version for data pump  | 
| 
 I5  | 
 Reports board ID: software version, hardware version, and country ID  | 
| 
 I9  | 
 Reports country code  | 
| 
 SPEAKER VOLUME  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] Ln [cmds]  | 
| 
 Description:  | 
 Controls speaker volume  | 
| 
 Command  | 
 Function  | 
| 
 L0  | 
 Low volume setting  | 
| 
 L1  | 
 Low volume setting  | 
| 
 í L2 | 
 Medium volume setting  | 
| 
 L3  | 
 Highest volume setting  | 
| 
 AUTO-MODE DETECTION  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] Nn [cmds]  | 
| 
 Description:  | 
 Selects various options for the automatic detection and negotiation of protocols during the handshake process if the modem is communicating with a remote modem of dissimilar speed.  | 
| 
 Command  | 
 Function  | 
| 
 N0  | 
 In originate or answer mode, handshake begins at line speed designated by the S37 register  | 
| 
 N1  | 
 In originate or answer mode, handshake begins at line speed designated by the S37 register. Modem can shift to a slower speed if necessary except when in \N mode.  | 
| 
 ON-LINE  | |
| 
 Type:  | 
 Immediate  | 
| 
 Format:  | 
 AT [cmds] On [cmds]  | 
| 
 Description:  | 
 Controls on-line command (data transmission) state options.  | 
Note: The O command must be placed at the end of the command string.  | |
| 
 Command  | 
 Function  | 
| 
 O0  | 
 On-line command mode with no retraining enabled  | 
| 
 O1  | 
 On-line command mode with retraining enabled  | 
| 
 O3  | 
 On-line command mode with rate renegotiation  | 
| 
 SELECT CALL PROGRESS RESULT CODES  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] Xn [cmds]  | 
| 
 Description:  | 
 Enables selection of tone detection and associated result code format options  | 
| 
 Command  | 
 Function  | 
| 
 X0  | 
 Busy and dial tone detection disabled; extended result codes disabled.  | 
| 
 X1  | 
 Busy and dial tone detection disabled; extended result codes enabled.  | 
| 
 X2  | 
 Busy tone detection disabled, dial tone detection enabled; extended result codes enabled.  | 
| 
 X3  | 
 Busy tone detection enabled, dial tone detection disabled; extended result codes enabled.  | 
| 
 í X4 | 
 Busy and dial tone detection enabled; extended result codes enabled.  | 
| 
 X5  | 
 Busy and dial tone detection enabled; extended result codes enabled.  | 
| 
 X6  | 
 Busy and dial tone detection enabled, extended result codes enabled.  | 
| 
 X7  | 
 Busy and dial tone detection enabled; extended result codes disabled.  | 
| 
 DATA TERMINAL READY (DTR)  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] &Dn [cmds]  | 
| 
 Description:  | 
 Selects modem response to DTR  | 
| 
 Command  | 
 Function  | 
| 
 &D0  | 
 DTR override  | 
| 
 &D1  | 
 DTR toggle causes online command mode  | 
| 
 í &D2 | 
 Normal DTR operations  | 
| 
 &D3  | 
 Resets on receipt of DTR  | 
| 
 FACTORY DEFAULT PROFILE  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] &F [cmds]  | 
| 
 Description:  | 
 Sets values in active profile to values found in the default profile  | 
| 
 Command  | 
 Function  | 
| 
 &F0  | 
 Sets values to standard factory configuration  | 
| 
 &F5  | 
 Sets values to factory configuration for ETC mode  | 
| 
 AUXILLARY RELAY OPTION  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] &J [cmds]  | 
| 
 Description:  | 
 Enables auxiliary relay option  | 
| 
 Command  | 
 Function  | 
| 
 &J0  | 
 The auxiliary relay is never closed  | 
| 
 &J1  | 
 Not supported  | 
| 
 FLOW CONTROL  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] &Kn [cmds]  | 
| 
 Description:  | 
 Enables flow control options  | 
| 
 Command  | 
 Function  | 
| 
 &K0  | 
 Flow control disabled  | 
| 
 í &K3 | 
 RTS/CTS flow control enabled  | 
| 
 &K4  | 
 XON/XOFF flow control enabled  | 
| 
 &K5  | 
 Error  | 
| 
 COMMUNICATIONS MODE  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] &Mn [cmds]  | 
| 
 Description:  | 
 Selects communications mode  | 
| 
 Command  | 
 Mode  | 
| 
 í &M0 | 
 Asynchronous mode  | 
| 
 PULSE DIALING RATIO  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] &Pn [cmds]  | 
| 
 Description:  | 
 Selects pulse dial make/break ratio  | 
| 
 Command  | 
 Function  | 
| 
 í &P0 | 
 33/66ms  | 
| 
 &P1  | 
 17/33ms at 20pps  | 
| 
 COMMUNICATIONS MODE  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] &Qn [cmds]  | 
| 
 Description:  | 
 Selects communications mode options  | 
| 
 Command  | 
 Mode  | 
| 
 &Q0  | 
 Buffered asynchronous mode  | 
| 
 &Q5  | 
 Error correction mode  | 
| 
 &Q6  | 
 Buffered asynchronous mode  | 
| 
 &Q8  | 
 MNP error control mode  | 
| 
 &Q9  | 
 V.42 or MNP error control mode  | 
| 
 DATA SET READY (DSR)  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] &Sn [cmds]  | 
| 
 Description:  | 
 Selects DSR options  | 
| 
 Command  | 
 Function  | 
| 
 í &S0 | 
 DSR forced high  | 
| 
 &S1  | 
 DSR high only while modem is handshaking or connected  | 
| 
 TEST MODES  | |
| 
 Type:  | 
 Immediate  | 
| 
 Format:  | 
 AT [cmds] &Tn  | 
| 
 Description:  | 
 Selects test options  | 
| 
 Command  | 
 Function  | 
| 
 &T0  | 
 End current test  | 
| 
 &T1  | 
 Begin local analog loopback test  | 
| 
 &T3  | 
 Begin local digital loopback  | 
| 
 &T6  | 
 Begin remote digital loopback test  | 
| 
 STORE ACTIVE PROFILE  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] &Wn [cmds]  | 
| 
 Description:  | 
 Writes the values for the active profile into the non-volatile RAM  | 
| 
 RESTORE PROFILE ON POWER-UP  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] &Yn [cmds]  | 
| 
 Description:  | 
 Restores a selected profile into the active profile on power-up (hard reset)  | 
| 
 Command  | 
 Function  | 
| 
 &Y0  | 
 Restore profile 0 on power-up  | 
EXTENDED AT COMMAND SET
| 
 FLOW CONTROL  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] \Gn [cmds]  | 
| 
 Description:  | 
 Selects modem port flow control  | 
| 
 Command  | 
 Function  | 
| 
 \G0  | 
 Returns "OK" for compatibility  | 
| 
 \G1  | 
 Not supported  | 
| 
 BREAK TYPE  | ||||
| 
 Type:  | 
 Configuration  | |||
| 
 Format:  | 
 AT [cmds] \Kn [cmds]  | |||
| 
 Description:  | 
 Configures action of break signal  | |||
| 
 Command  | 
 Break from DTE  | 
 Modem receives \B  | 
 Break received from remote modem  | |
| 
 \K5  | 
 Send break with transmitted data  | 
 Send break with transmitted data  | 
 Break sent with received data to the DTE  | |
| 
 CONNECT MODE  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] \Nn [cmds]  | 
| 
 Description:  | 
 Controls the type of connection the modem will operate in  | 
| 
 Command  | 
 Function  | 
| 
 \N0  | 
 Normal mode enabled  | 
| 
 \N1  | 
 Direct mode enabled  | 
| 
 \N2  | 
 MNP reliable mode enabled  | 
| 
 í \N3 | 
 MNP auto-reliable mode enabled  | 
| 
 \N4  | 
 V.42 reliable mode enabled  | 
| 
 \N5  | 
 MNP auto-reliable mode enabled  | 
| 
 \N7  | 
 MNP auto-reliable mode enabled  | 
| 
 FLOW CONTROL TYPE  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] \Qn [cmds]  | 
| 
 Description:  | 
 Sets type of flow control used by modem  | 
| 
 Command  | 
 Function  | 
| 
 \Q0  | 
 Flow control disabled  | 
| 
 \Q1  | 
 Bi-directional XON/XOFF flow control enabled  | 
| 
 \Q2  | 
 CTS flow control by DCE enabled  | 
| 
 í \Q3 | 
 Bi-directional RTS/CTS flow control enabled  | 
| 
 XON/XOFF PASS-THROUGH  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] \Xn [cmds]  | 
| 
 Description:  | 
 Selects whether XON/XOFF signals are sent to remote modem  | 
| 
 Command  | 
 Function  | 
| 
 \X0  | 
 XON/XOFF signals trapped by local modem  | 
| 
 BACKLIST  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] %Bn [cmds]  | 
| 
 Description:  | 
 Displays numbers for which the last call attempted in the past two hours failed  | 
| 
 COMPRESSION  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] %Cn [cmds]  | 
| 
 Description:  | 
 Selects data compression  | 
| 
 Command  | 
 Function  | 
| 
 %C0  | 
 Data compression disabled  | 
| 
 %C1  | 
 MNP5 and V.42bis; or data compression and correction enabled  | 
| 
 SYNCHRONOUS BUFFERED MODE  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] +ESn [cmds]  | 
| 
 Description:  | 
 Enables synchronous buffered data mode to allow an H.324 video application direct access to the synchronous data channel  | 
| 
 Command  | 
 Function  | 
| 
 +ES=6  | 
 Synchronous buffered data mode enabled  | 
| 
 Note: the only allowable value is +ES=6 | |
| 
 WRITE TO/READ FROM HOST INTERFACE  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] +&&C [cmds]  | 
| 
 Description:  | 
 Sets write to/read host interface  | 
| 
 Command  | 
 Function  | 
| 
 &&C<loc>  | 
 Reads from location  | 
| 
 &&C<loc>, <val>  | 
 Writes the value to host interface at location  | 
| 
 Note: for testing purposes only | |
| 
 LINE-TO-LINE LOOPBACK  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] +&&L [cmds]  | 
| 
 Description:  | 
 Provides a loopback for line-to-line  | 
| 
 Note: for testing purposes only | |
| 
 WRITE TO/READ FROM DSP RAM  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] +&&R [cmds]  | 
| 
 Description:  | 
 Sets write to/read DSP RAM  | 
| 
 Command  | 
 Function  | 
| 
 &&R<loc>  | 
 Reads from location  | 
| 
 &&R<loc>, <val>  | 
 Writes the value to DSP RAM at location  | 
| 
 Note: for testing purposes only | |
| 
 SPEAKER CODEC LOOPBACK  | |
| 
 Type:  | 
 Configuration  | 
| 
 Format:  | 
 AT [cmds] +&&S [cmds]  | 
| 
 Description:  | 
 Provides a loopback from microphone to speaker  | 
| 
 Note: for testing purposes only | |
S(STATUS) -REGISTERS
| 
 V.34 MODUALTION  | |
| 
 Type:  | 
 Register  | 
| 
 Format  | 
 AT [cmds] S28=n [cmds]  | 
| 
 Range:  | 
 0-255  | 
| 
 Description:  | 
 Enables/disables V.34 modulation. S28=0 will disable  | 
| 
 DATA CALLING TONE  | |
| 
 Type:  | 
 Register  | 
| 
 Format:  | 
 AT [cmds] S35=n [cmds]  | 
| 
 Range:  | 
 0-1  | 
| 
 Description:  | 
 Enables/disables data calling tone to allow for remote Data/FAX/Voice discrimination. S38=0 will disable  | 
| 
 ERROR CORRECTION NEGOTIATION  | |
| 
 Type:  | 
 Register  | 
| 
 Format  | 
 AT [cmds] S36=n [cmds]  | 
| 
 Description:  | 
 Selects the action of the modem if it fails to connect with the error-correction protocol set in &Q.  | 
| 
 Command  | 
 Function  | 
| 
 S36=0  | 
 Hang up  | 
| 
 S36=1  | 
 Fallback to an asynchronous connection  | 
| 
 S36=2  | 
 Hang up  | 
| 
 S36=3  | 
 Fallback to an asynchronous connection  | 
| 
 S36=4  | 
 Attempt a connection at MNP2-4; if that fails, hang up.  | 
| 
 S36=5  | 
 Attempt a connection at MNP2-4; if that fails, attempt an asynchronous connection.  | 
| 
 S36=6  | 
 Attempt a connection at MNP2-4; if that fails, hang up.  | 
| 
 í S36=7 | 
 Attempt a connection at MNP2-4; if that fails, attempt an asynchronous connection.  | 
| 
 DCE LINE SPEED  | |
| 
 Type:  | 
 Register  | 
| 
 Format  | 
 AT [cmds] S37=n [cmds]  | 
| 
 Description:  | 
 Sets the maximum allowable data exchange rate attempted during handshake process.  | 
| 
 Command  | 
 Function  | 
| 
 S37=0  | 
 Maximum modem speed  | 
| 
 S37=2  | 
 1200/75bps  | 
| 
 S37=3  | 
 300bps  | 
| 
 S37=5  | 
 1200bps  | 
| 
 S37=6  | 
 2400bps  | 
| 
 S37=7  | 
 4800bps  | 
| 
 S37=8  | 
 7200bps  | 
| 
 S37=9  | 
 9600bps  | 
| 
 S37=10  | 
 12.0Kbps  | 
| 
 S37=11  | 
 14.4Kbps  | 
| 
 S37=12  | 
 16.8Kbps  | 
| 
 S37=13  | 
 19.2Kbps  | 
| 
 S37=14  | 
 21.6Kbps  | 
| 
 S37=15  | 
 24.0Kbps  | 
| 
 S37=16  | 
 26.4Kbps  | 
| 
 S37=17  | 
 28.8Kbps  | 
| 
 S37=18  | 
 31.2Kbps  | 
| 
 S37=19  | 
 33.6Kbps  | 
| 
 56Kbps DCE LINE SPEED  | |
| 
 Type:  | 
 Register  | 
| 
 Format  | 
 AT [cmds] S38=n [cmds]  | 
| 
 Description:  | 
 Sets the maximum allowable data exchange rate attempted during handshake process.  | 
| 
 Command  | 
 Function  | 
| 
 S38=0  | 
 56Kbps  | 
| 
 S38=1  | 
 Maximum modem speed  | 
| 
 S38=2  | 
 32.0Kbps  | 
| 
 S38=3  | 
 34.0Kbps  | 
| 
 S38=4  | 
 36.0Kbps  | 
| 
 S38=5  | 
 38.0Kbps  | 
| 
 S38=6  | 
 40.0Kbps  | 
| 
 S38=7  | 
 42.0Kbps  | 
| 
 S38=8  | 
 44.0Kbps  | 
| 
 S38=9  | 
 46.0Kbps  | 
| 
 S38=10  | 
 48.0Kbps  | 
| 
 S38=11  | 
 50.0Kbps  | 
| 
 S38=12  | 
 52.0Kbps  | 
| 
 S38=13  | 
 54.0Kbps  | 
| 
 S38=14  | 
 56.0Kbps  | 
| 
 ETC STARTUP AUTO RATE  | |
| 
 Type:  | 
 Register  | 
| 
 Format  | 
 AT [cmds] S40=n [cmds]  | 
| 
 Description:  | 
 Sets the ETC autorate.  | 
| 
 Command  | 
 Function  | 
| 
 S40=0  | 
 Startup with normal autorating  | 
| 
 S40=1  | 
 Startup at an initial rate of 4800 or below  | 
| 
 S40=2  | 
 Startup at an initial rate of 9600 or below  | 
| 
 AUTO RATE  | |
| 
 Type:  | 
 Register  | 
| 
 Format  | 
 AT [cmds] S42=n [cmds]  | 
| 
 Range:  | 
 0-1  | 
| 
 Description:  | 
 Enables/disables auto rate.  | 
| 
 Command  | 
 Function  | 
| 
 S42=0  | 
 Auto rate disabled  | 
| 
 S42=1  | 
 Auto rate enabled  | 
Note: For testing and debugging purposes only  | |
| 
 AUTO MODE  | |
| 
 Type:  | 
 Register  | 
| 
 Format  | 
 AT [cmds] S43=n [cmds]  | 
| 
 Range:  | 
 0-1  | 
| 
 Description:  | 
 Enables/disables V.32bis auto mode.  | 
| 
 Command  | 
 Function  | 
| 
 S43=0  | 
 Auto mode disabled  | 
| 
 S43=1  | 
 Auto mode disabled  | 
Note: For testing and debugging purposes only  | |
| 
 FEATURE NEGOTIATION OPTIONS  | |||
| 
 Type:  | 
 Register  | ||
| 
 Format:  | 
 AT [cmds] S48=n [cmds]  | ||
| 
 Description:  | 
 Selects active error correction and compression protocols  | ||
| 
 Command  | 
 Function  | ||
| 
 S48=7  | 
 Detection negotiation and XID negotiation enabled  | ||
| 
 S48=128  | 
 Fall-back to options set in S36  | ||
| 
 INACTIVITY TIMER  | |
| 
 Type:  | 
 Register  | 
| 
 Format:  | 
 AT [cmds] S89=n [cmds]  | 
| 
 Range:  | 
 0, 5-255  | 
| 
 Unit:  | 
 1 minute  | 
| 
 Description:  | 
 Sets the length of time that the modem does not receive information before it disconnects; S89=0 will disable.  | 
| 
 LOCAL PHONE STATUS  | |||
| 
 Type:  | 
 Register  | ||
| 
 Format:  | 
 AT [cmds] S90=n [cmds]  | ||
| 
 Description:  | 
 Selects active error correction and compression protocols  | ||
| 
 Command  | 
 Function  | ||
| 
 S90=0  | 
 Local phone on-hook  | ||
| 
 S90=1  | 
 Local phone off-hook  | ||
| 
 TRANSMISSION LEVEL - LEASED-LINE  | |
| 
 Type  | 
 Register or Configuration  | 
| 
 Format  | 
 AT [cmds] S91=n [cmds]  | 
| 
 Range  | 
 6-15  | 
| 
 Unit  | 
 -1 dBm  | 
| 
 Description  | 
 Sets the signal level for transmission over leased-lines  | 
| 
 TRANSMISSION LEVEL - DIRECT CONNECT  | |
| 
 Type  | 
 Register or Configuration  | 
| 
 Format  | 
 AT [cmds] S92=n [cmds]  | 
| 
 Range  | 
 Unidentified  | 
| 
 Unit  | 
 -1 dBm  | 
| 
 Description  | 
 Sets the signal level for direct connect transmission  | 
| 
 Note: Setting may be different for different phones | |