- A through B
- C
- debounce-time rai through dialer rotor
- dialer string through group-range
- interface bri through isdn busy
- isdn call interface through isdn send-alerting
- isdn sending-complete through loopback remote (controller)
- map-class dialer through modem inout
- modem cts-alarm
- peer default ip address through ppp iphc max-header
- ppp iphc max-period through ppp multilink slippage
- ppp pap wait through rotary-group
- script activation through show dial-shelf
- show dial-shelf split through show nbf cache
- show nbf sessions through show tech-support spe
- show tgrm through x25 map ppp
- map-class dialer
- member
- member (dial peer cor list)
- mo dem always-on
- modem answer-timeout
- modem at-mode
- modem at-mode-permit
- modem autoconfigure discovery
- modem autoconfigure type
- modem autotest
- modem bad
- modem buffer-size
- modem busyout
- modem busyout-threshold
- modem callin
- modem callout
- modem call-record
- modem country mica
- modem country microcom_hdms
- modem country smart_acf
- modem country v12
- modem cts-required
- modem dialin
- modem dialout controller
- modem dtr-active
- modem enable
- modem hold-reset
- modem host
- modem inout
map-class dialer
To define a class of shared configuration parameters associated with the dialer map command for outgoing calls from an ISDN interface and for PPP callback, use the map-class dialer command in global configuration mode.
no map-class dialer class-name
Syntax Description
Command Default
Command Modes
Command History
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Usage Guidelines
The class-name argument in the map-class dialer command used to specify the class must be the same as a class-name argument used in a dialer map command.
This command is used on the PPP callback server, not on the callback client.
This command is used to define classes of calls for PPP callback for dial-on-demand routing (DDR), for ISDN Advice of Charge, and for Network Specific Facilities (NSF) call-by-call dialing plans.
For NSF call-by-call support on ISDN Primary-4ESS switches only, use one of the dialing-plan keywords listed in Table 1 .
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Examples
The following example configures the PPP callback server on an ISDN BRI interface on a router. The callback server requires an enable timeout and a map class to be defined.
The following example configures the ISDN switch type to Primary-4ESS and configures ISDN PRI on T1 controller 1/0, and sets the D channel for dialer map classes that reference the NSF dialing plans. Finally, the map-class dialer command uses a dialing plan keyword and the dialer outgoing command refers to the same plan.
The following partial example configures BRI interface 0 to function as the callback server on the shared network. The callback server requires an enable timeout and a map class to be defined.
The following example configures a map class named “mymap” and sets an ISDN speed of 56 kbps for the class.
Related Commands
member
To alter the configuration of an asynchronous interface that is a member of a group, use the member command in interface configuration mode. To restore defaults set at the group master interface, use the no form of this command.
member asynchronous-interface-number command
no member asynchronous-interface-number command
Syntax Description
One or both of the following commands entered for this specific interface: |
Command Default
Command Modes
Command History
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Usage Guidelines
You can customize a member interface by using the member command. Interfaces are designated as members of a group by using the interface group-async and group-range commands.
Examples
The following example defines interface 3 with a description of line 3, which is attached to a Hayes Optima modem:
Related Commands
member (dial peer cor list)
To add a member to a dial peer class of restrictions (COR) list, use the member command in dial peer COR list configuration mode. To remove a member from a list, use the no form of this command.
Syntax Description
Class name previously defined in dial peer COR custom configuration mode by using of the name command. |
Command Default
Command Modes
Dial peer COR list configuration
Command History
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Examples
The following example adds three members to the COR list named list3:
Related Commands
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modem always-on
To set a tty line to always be ready to interpret characters from network elements, use the modem always-on command in line configuration mode. To disable this function, use the no form of this command.
Syntax Description
Command Default
The tty line waits to recieve a data set ready (DSR), RING, or clear to send (CTS) signal before interpreting characters from network elements.
Command Modes
Command History
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Usage Guidelines
To set the line as available to receive calls coming from the network via the router, you must also configure the line with the autocommand x28 command.
Examples
The following example configures tty line 97 to interpret characters received from network elements without having to wait for other incoming signals:
Related Commands
modem answer-timeout
To set the amount of time that the Cisco IOS software waits for the Clear to Send (CTS) signal after raising the data terminal ready (DTR) signal in response to RING, use the modem answer-timeout command in line configuration mode. To revert to the default value, use the no form of this command.
Syntax Description
Command Default
Command Modes
Command History
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Usage Guidelines
This command is useful for modems that take a long time to synchronize to the appropriate line speed.
For more information, see the chapter “Creating and Using Modem Chat Scripts” in the Cisco IOS Dial Technologies Configuration Guide.
Examples
The following example sets the timeout interval to 20 seconds for the modem connected to lines 3 through 13:
Related Commands
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Supports dial-in modems that use the DTR signal to control the off-hook status of the modem. |
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modem at-mode
To open a directly connected session and enter AT command mode, which is used for sending AT (modem attention) commands to Microcom manageable modems, use the modem at-mode command in EXEC mode.
Syntax Description
Slot number and modem port number. Include the slash mark when entering this variable. |
Command Default
Command Modes
Command History
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Usage Guidelines
Manageable modems return “OK” if the AT command you send is successfully enabled. Press Ctrl-C after sending an AT command to close the directly connected session.
Note
This command does not apply to basic modems that have out-of-band ports.
Examples
The following example opens a directly connected session on modem 1/1, enters AT command mode on modem 1/1, and transmits the AT commands through the out-of-band feature of modem 1/1:
Related Commands
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Resets the hardware for one or more manageable modems on access servers and routers. |
modem at-mode-permit
To permit a Microcom modem to accept a directly connected session, use the modem at-mode-permit command in line configuration mode. To disable permission for modems to accept a direct connection, use the no form of this command.
Syntax Description
Command Default
Command Modes
Command History
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Usage Guidelines
After you enter this command, enter the modem at-mode command to enable a directly connected session on the modem. From AT command mode, you can enter AT (modem attention) commands directly from your terminal session.
For a complete list of supported AT commands, refer to the AT command documentation that came with your access server or router.
The no modem at-mode-permit command disables a modem from accepting a direct connection, which is useful for ensuring modem security.
Note This command does not apply to basic modems, which do not have out-of-band ports.
Examples
The following example permits the modem connected to TTY line 1 to accept a directly connected session:
Related Commands
modem autoconfigure discovery
To configure a line to discover which kind of modem is connected to the router and to configure that modem automatically, use the modem autoconfigure discovery command in line configuration mode. To disable this feature, use the no form of this command.
no modem autoconfigure discovery
Syntax Description
Command Default
Command Modes
Command History
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Usage Guidelines
The modem is identified each time the line is reset. If a modem cannot be detected, the line continues retrying for 10 seconds. When the modem type is determined, this information remains stored until the modem is recycled or disconnected. Using Discovery mode is much slower than configuring a line directly.
Each time the modem is reset (every time a chat reset script is executed), a string of commands is sent to the modem, the first one being “return to factory-defaults.”
Examples
The following example automatically discovers which kind of modem is attached to the router or access server:
Related Commands
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Directs a line to attempt to configure the attached modem using a predefined modemcap. |
modem autoconfigure type
To direct a line to attempt to configure the attached modem using the entry for the modem-type argument, use the modem autoconfigure type command in line configuration mode. To disable this feature, use the no form of this command.
modem autoconfigure type modem-type
Syntax Description
Command Default
Command Modes
Command History
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Usage Guidelines
Examples
The following example automatically configures the attached modem using the codex_3260 modemcap entry:
Related Commands
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Configures a line to discover which kind of modem is connected to the router and to configure that modem automatically. |
modem autotest
Support for the modem autotest command was removed in Cisco IOS Release 12.2(11)T. The use of this command is not recommended. In most cases, nonfunctional integrated modems will automatically be removed from service by the system. See the modem recovery action command and the spe recovery command for more configuration options for nonfunctional modems. For further information about MICA modem recovery, refer to the Configuring MICA Modem Recovery technical note. For further information about NextPort service processing element (SPE) recovery, refer to the Configuring NextPort SPE Recovery technical note.
modem bad
To remove an integrated modem from service and indicate it as suspected or proven to be inoperable, use the modem bad command in line configuration mode. To restore a modem to service, use the no form of this command.
Syntax Description
Command Default
Command Modes
Command History
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Usage Guidelines
If you mark a modem as inoperable, it appears as Bad—without the asterisk (*)—in the Status column of the show modem command output. A modem marked inoperable by the modem startup-test command appears as Bad* in the show modem command output. Use the no modem bad command to unmark a modem as Bad* or Bad and restore it for dialup connection services.
Note Only idle modems can be marked bad by the modem bad command. If you want to mark a modem bad that is actively supporting a call, first issue the modem shutdown command then issue the modem bad command.
Examples
The first part of the following example shows a successful connection between modem 2/1 and modem 2/0, which verifies normal operating conditions between these two modems. However, when modem 2/1 is tested against modem 2/3, the back-to-back modem test fails. Therefore, modem 2/3 is suspected or proven to be inoperable. Modem 2/3 is removed from dialup services through the use of the modem bad command on line 28.
Related Commands
modem buffer-size
To configure the size of the history event queue buffer for integrated modems installed in an access server or router, use the modem buffer-size command in global configuration mode.
Syntax Description
Defined number of modem events that each manageable modem is able to store. Default is 100 events. |
Command Default
Command Modes
Command History
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Usage Guidelines
A large buffer size uses substantial amounts of processing memory. If the processing memory is running low, reduce the modem buffer size.
To display modem events, use the show modem log command.
Note This command does not apply to basic modems that have out-of-band ports.
Examples
The following example enables each modem in the access server to store 150 modem events:
Related Commands
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Displays the modem history event status performed on a manageable modem or group of modems. |
modem busyout
To gracefully disable a modem from dialing or answering calls, use the modem busyout command in line configuration mode. To reenable a modem, use the no form of this command.
Syntax Description
Command Default
Command Modes
Command History
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Usage Guidelines
The disabling action is not executed until the active modem returns to an idle state. No active connections are interrupted when you enter this command. If the modem busyout - threshold command is set, this command will be delayed until the DS0 lines to the exchange are taken out of service. For T3 cards the message “No Controller configured” might appear for unconfigured T1 links in the T3.
Examples
The following example disables the modem associated with line 1/0/5 from dialing and answering calls. You do not specify a slot or port number with this command.
The following example busyouts a range of modems:
The following example disables the modem associated with line 1 from dialing and answering calls. You do not specify a slot or port number with this command.
Related Commands
modem busyout-threshold
To define a threshold to maintain a balance between the number of DS0s and modems, use the modem busyout-threshold command in global configuration mode. To remove the threshold, use the no form of this command.
modem busyout-threshold threshold-number
no modem busyout-threshold threshold-number
Syntax Description
Number of modems that are free when the router should enforce the stipulation that the number of free DS0 lines is less than or equal to the number of modems. |
Command Default
Command Modes
Command History
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Usage Guidelines
The modem busyout-threshold command functionality is also often termed autobusyout. This command applies to all DS0 lines coming into the router and counts all free modems in all pools.
The modem busyout-threshold command periodically checks to determine if the number of free modems is less than the user specified threshold and if it is it ensures that the number of free DS0 channels is less than or equal to the number of modems.
This command should be used only where excess calls to one router are forwarded by the exchange to an additional router on the same exchange group number.
Because the modem busyout-threshold command checks only periodically, the threshold should be greater than the number of calls the user expects to receive in 1 minute plus a safety margin. For example, if the user receives an average of 10 calls per minute, then a threshold of 20 would be advised. Very small thresholds should be avoided because they do not allow sufficient time for the exchange to respond to out-of-service notifications from the router, and callers may receive busy signals when free modems are all used.
The number of DS0 lines in normal operating conditions should be approximately equal to the number of modems (for example, within 30). If this is not the case, it will cause a lot of messaging traffic to the exchange and may cause active calls to be dropped. This caution is not a concern for short periods, that is, when modem cards are replaced.
On T3 controllers, any contained T1 controllers that are not in use should be undeclared to remove them from the autobusyout list.
Note On T3 controllers, any contained T1 controllers that are not in use should be undeclared to remove them from the autobusyout list.This command is the same as the ds0 busyout-threshold command for the Cisco AS5300 and AS5800 access servers.
Examples
The following example shows how you might configure the modem busyout-threshold command:
Related Commands
modem callin
To support dial-in modems that use the data terminal ready (DTR) signal to control the off-hook status of the modem, use the modem callin command in line configuration mode. To disable this feature, use the no form of this command.
Syntax Description
Command Default
Command Modes
Command History
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Usage Guidelines
In response to the RING signal, the router raises the DTR signal, which indicates to the modem that it should answer the call. At the end of the session, the Cisco IOS software lowers the DTR signal, which disconnects the modem. This command is useful for older modems that do not support autoanswer.
This command uses clear to send (CTS), whereas other modem commands in the Cisco IOS software use data set ready (DSR).
Only use the modem callin command on the ASM terminal server, where hardware flow control is not possible. If you have a Cisco 2500 or 3600 series router, use the modem dialin command instead.
Examples
The following example configures lines 10 through 16 for dial-in modems that can run at speeds from 300 to 19,200 bits per second:
modem callin
autobaud
Related Commands
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Sets the amount of time that the Cisco IOS software waits for the CTS signal after raising the DTR signal in response to RING. |
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modem callout
To configure a line for reverse connections, use the modem callout command in line configuration mode. To disable this feature, use the no form of this command.
Syntax Description
Command Default
Command Modes
Command History
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Usage Guidelines
This command supports ports connected to computers that would normally be connected to modems. It causes the access server to act somewhat like a modem.
This command uses the clear to send (CTS) signal and should be used only on access servers that do not support hardware flow control. If you have an access server that is newer than the ASM terminal server (such as a Cisco 2500 or Cisco 3600 series routers, or a Cisco AS5100 or Cisco AS5200 access servers), use the modem host command instead. The modem callout command uses CTS, whereas the modem host command uses data set ready/ data carrier detect (DSR/DCD.) If CTS is used for modem control instead of DSR/DCD, it prevents CTS from being used by hardware flow control.
Examples
The following example configures lines 17 through 32 in reverse connection mode to a large terminal switch. By using Telnet to connect to a TCP port on this host, the user gets the next free line in the rotary group.
rotary 1
modem callout
Related Commands
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Displays the extended BOOTP request parameters that have been configured for asynchronous interfaces. |
modem call-record
To activate the logging of a summary of modem events upon the termination of a call, use the modem call-record command in global configuration mode. To deactivate modem event logging of calls, use the no form of this command.
modem call-record terse [ quiet ] [ max userid character-max ]
Syntax Description
Command Default
Command Modes
Command History
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Support was added for NM-AM and NM-DM modem boards on the Cisco 2600 and Cisco 3600 series routers. |
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Usage Guidelines
The modem management subsytem provides event logs for each modem at each major event during usage of the modems. The volume of event logs being generated makes the monitoring of modem calls for debugging purposes difficult. The MCR log, activated using the modem call-record command, will log a summary of a modem call to syslog upon termination of the call. If a call fails to establish a connection, the call will be summarized in a Modem Call Failed Record.
The MCR is written to the syslog and can be displayed using the terminal monitor or show logging command, or by examining files on a syslog server.
The modem call-record command is supported on Cisco AS5200, AS5300, AS5800, 2600, and 3600 routers with integrated MICA technologies and Microcom modems. For systems with NextPort modems, use the spe call-record modem command.
The information provided in the MCR log and the Modem Call Failed Record log varies depending on the type of modem being used. Table 2 describes the significant fields in the display for MICA technologies and Microcom modems.
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Unique Call Identifier assigned to the modem call by the call switching module. |
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Standard used for connection. Possible values are Bell103, Bell212, K56Flex 1.1, V.17, V.21, V.22, V.22bis, V.23, V.27, V.29, V.32, V.32bis, V.32terbo. V.34, V.34+, and V.90. |
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Protocol user for connection. Possible values are ARA1.0, ARA2.0, ASYNC Mode, FAX Mode, LAP-M, MNP, SS7/COT, and SYNC Mode. |
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Compression method used for connection. Possible values are MNP5 data, none, V.42bis both, V.42bis RX, and V.42bis TX. |
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Actual bit rate from the remote Digital Signal Processor (DSP) to the local DSP at connect. |
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Actual bit rate from the local DSP to the remote DSP at connect. |
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Actual bit rate from the remote DSP to the local DSP at disconnect. |
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Actual bit rate from the local DSP to the remote DSP at disconnect. |
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RBS pattern1 |
Actual robbed bit signaling (RBS) pattern observed by the modem. The six LSBs of the returned value indicate the periodic RBS pattern where a one denotes a pulse code modulation sample with a robbed bit. (Only reported for K56Flex). |
Digital pad 1 |
Amount of digital padding (attenuation) in downlink, in decibels (dB). (Only reported for V.90 and K56Flex.) |
Total retrains 1 |
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Signal quality value 1 |
Signal quality values in a range from 0 to 7, where 0 is the worst. The units are arbitrary, approximating abs(log10(SNR)). |
Count of total characters received for SYNC/ASYNC connection. |
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Characters received BAD 1 |
Total number of parity errored characters received (for ASYNC connections). |
Count of error-free Error Correction frames received. Incorrect or duplicate frames are not included. |
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Count of unique Error Correction frames sent. Re-sent frames are not included. |
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Error correction frames received BAD/ABORTED 1 |
Total error correction retransmissions requested by this modem during the course of the link. |
Reason for call being disconnected. Each modem type handles parameter differently. |
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1.These fields are displayed only for MICA technologies modems. |
Examples
The following example shows the activation of MCR logging:
modem call-record terse
The following is the MCR of a successful call on a MICA technologies modem:
The following is the MCR of a failed call on a MICA technologies modem:
The following is the MCR of a successful call on a Microcom modem:
The following is the MCR of a failed call on a Microcom modem:
Related Commands
modem country mica
To configure the modem country code for a bank of MICA technologies modems, use the modem country mica command in global configuration mode. To remove a country code from service, use the no form of this command.
Syntax Description
| Country name. See Table 3 for a list of the supported country name keywords. |
Command Default
Command Modes
Command History
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Usage Guidelines
Table 3 lists the supported codes for the country argument.
Examples
The following example sets the MICA technologies modems for operation in Sweden:
Related Commands
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Configures the modem country code for a bank of Microcom modems. |
modem country microcom_hdms
To configure the modem country code for a bank of Microcom High Density Management System (HDMS) modems, use the modem country microcom_hdms command in global configuration mode. To remove a country code from service, use the no form of this command.
modem country microcom_hdms country
no modem country microcom_hdms country
Syntax Description
| Country name. See Table 4 for a list of the supported country name keywords. |
Command Default
Command Modes
Command History
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Usage Guidelines
Table 4 lists the supported codes for the country argument.
Examples
The following example shows the different duplex configuration options you can configure on a Cisco AS5300:
Related Commands
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Configures the modem country code for a bank of MICA technologies modems. |
modem country smart_acf
To customize the modem firmware behavior according to the country of deployment, use the modem country smart_acf command in global configuration mode. To restore the default value, use the no form of this command.
modem country smart_acf country-name
no modem country smart_acf country-name
Syntax Description
Name of the country. For valid argument values, see the table in the “Usage Guidelines” section. |
Command Default
Command Modes
Command History
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This command was integrated into Cisco IOS Release 12.3(7)T on Cisco 2600 series and Cisco 3700 series routers. |
Usage Guidelines
Use this command to set the modem for use in a specific country. When a country name is specified, the firmware customizes the modem for use in the country where it is deployed. The following table includes valid values for the country-name argument and the country or countries associated with each argument value.
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Examples
The following example sets the modem for use in Turkey:
Related Commands
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Displays the software version and the crash log of the modem. |
modem country v12
To configure the modem country code for a bank of V12 modems, use the modem country v12 command in global configuration mode. To remove a country code from service, use the no form of this command.
Syntax Description
Country name. See Usage Guidelines for a list of the supported country names. |
Command Default
Command Modes
Command History
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Usage Guidelines
The supported codes for the country argument are as follows:
- australia
- austria
- belgium
- china
- cyprus
- czech-republic (Czech/Slovak Republic)
- denmark
- e1-default (Default E1, a-law)
- finland
- france
- germany
- hong-kong
- india
- ireland
- israel
- italy
- japan
- malaysia
- netherlands
- new-zealand
- norway
- poland
- portugal
- russia
- singapore
- south-africa
- spain
- sweden
- switzerland
- t1-default (Defaults T1, u-law)
- taiwan
- thailand
- turkey
- united-kingdom
- usa
Examples
The following example sets the V12 modems for operation in Sweden:
modem cts-required
The modem cts-required command is replaced by the modem printer command. See the description of the modem printer command for more information.
modem dialin
To configure a line to enable a modem attached to the router to accept incoming calls only, use the modem dialin command in line configuration mode. To disable this feature, use the no form of this command.
Syntax Description
(Optional) Causes the operating system to delay assertion of the data terminal ready (DTR) signal until a network connection is established. |
Command Default
Command Modes
Command History
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The delay keyword was added to support the Cisco modem user interface. |
Usage Guidelines
This command supports modems that can automatically handle telephone line activity, such as answering the telephone after a certain number of rings.
The delay keyword is useful when using the modemui EXEC command with software that requires a signal assertion to recognize that a connection has been established. It may be necessary to reroute the router DTR signal to an alternate EIA-232 pin such as Carrier Detect (CD) for the delay to work properly.
Examples
The following example configures a line for a high-speed modem:
The following example shows how to set up a delay in a line configured for the Cisco modem user interface feature:
Related Commands
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modem dialout controller
To specify a particular T1 or E1 controller through which to dial out, use the modem dialout controller command in line configuration mode. To disable the command, use the no form of this command.
modem dialout controller { e1 | t1 } controller-list
Syntax Description
Wide-area digital transmission scheme used predominantly in Europe. |
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List of controllers through which to dial out. The range is from 0 to 7. List the controllers individually (1, 2, 3, for example). |
Command Default
Command Modes
Command History
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Usage Guidelines
This command is only supported on the Cisco AS5300, Cisco AS5350, Cisco AS5400, and Cisco AS5800.
Examples
In the following example, the router is configured to use the controller t1 0, t1 1, t1 3 (and no others) when dialing out from lines 1 through 60:
modem dtr-active
To configure a line to leave data terminal ready (DTR) signals low, unless the line has an active incoming connection or an EXEC process, use the modem dtr-active command in line configuration mode. To disable this feature, use the no form of this command.
Syntax Description
Command Default
Command Modes
Command History
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Usage Guidelines
This command does not use the Carrier Detect (CD) signal.
This command can be useful if the line is connected to an external device (for example, a time-sharing system) that must know whether a line is in active use. The modem dtr-active command is similar to the no modem line configuration command.
Examples
The following example configures a line for low DTR:
Related Commands
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modem enable
To enable backup dial capability through the console port (change the console port into an auxiliary port), use the modem enable command in line configuration mode. To return the auxiliary port to a console port, use the no form of this command.
Syntax Description
(Optional) Automatically senses the type of device connected on the console line. |
Command Default
This command is not configured by default, and is applicable only on the console line.
Command Modes
Command History
Usage Guidelines
On the Cisco 831, 836, and 837, and SOHO 91 and 97 routers, the console port and the auxiliary port share the same physical RJ-45 port. The console port must be changed to act as a virtual auxiliary port using the modem enable [ autodetect ] command before the dial backup and remote management capabilities can be enabled.
Use the show line autodetect EXEC command to determine when a modem or a console has been detected. This command displays the following messages to indicate the type or state of connection on the console line:
- Detection State: Console Attached—A DTE console or terminal device is attached.
- Detection State: Modem Attached—A DCE asynchronous modem device is attached.
- Detection State: Nothing Attached—No cable is attached to the EIA/TIA--232 port on the router.
- Detection State: Init State—Autodetection has been enabled, but no changes have been detected.
- Detection State: Feature not enabled—No device connection is detected.
Note The auto detection capability on the Cisco 831, 836, and 837 routers that detects whether a modem or console is attached to its RJ-45 console port will not work when the router is booting up. The routers use the data set ready (DSR) and clear to send (CTS) pin statuses to detect whether a modem or console is attached.
Examples
The following example enables the line autodetect option:
Use the show line autodetect command to determine when a modem or a console has been detected:
Related Commands
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modem hold-reset
To reset and isolate integrated modems for extensive troubleshooting, use the modem hold-reset command in line configuration mode. To restart a modem, use the no form of this command.
Syntax Description
Command Default
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Usage Guidelines
The modem hold-reset command for the V.110 port module resets the processor on board the module only if the command is executed on all 12 ports. If the modem hold-reset command is issued on only a portion of the V.110 ports, the processor will not reset.
This command is also used to reset a modem that is frozen in a suspended state. Disable the suspended modem with the modem hold-reset command, and then restart initialization with the no modem hold-reset command.
Examples
The following example disables the suspended modem using tty line 4 and resets the modem’s initialization:
The following examples resets a 12-port V.110 port module. You must specify the entire tty line range for the entire bank of ports.
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Automatically and periodically performs a modem diagnostics test for modems inside the access server or router. |
modem host
To configure a line for reverse connections where hardware flow control is also required, use the modem hos t command in line configuration mode. To disable the line modem control for reverse connections, use the no form of this command.
Syntax Description
Command Default
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Usage Guidelines
This command supports ports connected to computers that would normally be connected to modems. This command causes the access server to act like a modem.
The modem host command is identical in operation to the modem callout command except that data set ready/data carrier detect (DSR/DCD) is used for modem control instead of clear to send (CTS). This frees CTS for use by hardware flow control.
Examples
The following example configures a line to send a DSR/DCD active signal to the modem for data switches and hosts:
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modem inout
To configure a line for both incoming and outgoing calls, use the modem inout command in line configuration mode. To disable the configuration, use the no form of this command.
Syntax Description
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Usage Guidelines
This command uses DSR and RING signals for carrier detection.
The Cisco IOS software does not support any dialing protocols; therefore, the host system software or the user must provide any special dialing commands when using the modem for outgoing calls.
Examples
The following example configures a line for both incoming and outgoing calls:
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