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Basic V110 for MICA Modems on
Cisco Access Servers
Feature Overview
This feature allows V.110 calls to be originated and terminated over ISDN. The V.110
recommendation of the ITU-T rate adapts a low speed connection to an ISDN-B channel allowing
the remote station or terminal adaptor to use the fast call set-up times offered by ISDN. This feature
enables GSM wireless connectivity.
This document describes the Cisco IOS commands and AT commands required to support V.110 on
MICA modems for AS5
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Note This feature is distinct from the Asynchronous Management Protocol for V.110 Terminal Adaptor Module that runs in the Cisco AS5200 and Cisco AS5300. Benefits V.110 is a digital link access protocol and for Cisco access servers. It operates over an ISDN B channel. V.110 enables Cisco access servers to connect to ISDN terminal adapters requiring V.110 compatibility. This feature enables GSM wireless connectivity. This ISDN feature is in addition to the existing analog capability of the MIC
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Related Features and Technologies — 64k bps Related Features and Technologies This feature requires special modem code to be downloaded to the MICA Modems. See the online CCO modem information page. Related Documents See the modem code online documentation for the platform you are using: � Firmware and Portware Information http://www.cisco.com/univercd/cc/td/doc/product/access/fwpwinfo/index.htm See also the following documents: � 12.0 Dial Solutions Command Reference (DR) � Cisco AS5800—Modem
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List of Terms and Acronyms Boardware— Software that runs on the CPU on the certain supporting cards CSM— Call Switching Module E1— European equivalent of T1, 32 channels of 64KHz, 1 for framing, 1 for signaling GSM— Global System for Communications HMM— Hex Modem Module IOS— Internetworking Operating System ISDN— Integrated Services Digital Network LLC— Link Layer Control MICA— Modem ISDN Channel Aggregation MSM— Modem State Machine Portware— Software that runs on MICA digital modem module PRI—
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show Command Examples http://www.cisco.com/univercd/cc/td/doc/product/software/ios120/12cgcr/dial_r/drprt1/dr modmgt.htm#xtocid10451223 See also show modem at: http://www.cisco.com/univercd/cc/td/doc/product/software/ios113ed/113aa/113aa_2/58cfe ats/c5800uas.htm#19600 � show modem log http://www.cisco.com/univercd/cc/td/doc/product/software/ios120/12cgcr/dial_r/drprt1/dr modmgt.htm#xtocid10451261 � show modem configuration http://www.cisco.com/univercd/cc/td/doc/product/software/ios120/12cgcr/di
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Last clearing of "show modem" counters never 23 incoming completes, 2 incoming failures 0 outgoing completes, 0 outgoing failures 0 failed dial attempts, 0 ring no answers, 2 busied outs 0 no dial tones, 0 dial timeouts, 0 watchdog timeouts 0 no carriers, 0 link failures, 0 resets, 0 recover oob 0 recover modem, 0 current fail count 0 protocol timeouts, 0 protocol errors, 0 lost events 0 ready poll timeouts Transmit Speed Counters: Connection Speeds
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show Command Examples Reason (=0 ): no disconnect has yet occurred Parameter #1 Connect Protocol: ISDN Mode Parameter #2 Compression: None Parameter #3 EC Retransmission Count: 0 Parameter #4 Self Test Error Count: 0 Parameter #5 Call Timer: 37079 secs Parameter #6 Total Retrains: 0 Parameter #7 Sq Value: 7 Parameter #8 Connected Standard: V.110 Parameter #9 TX,RX Bit Rate: 9600, 9600 Parameter #11 TX,RX Symbol Rate: 0, 0 Parameter #13 TX,RX Carrier
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State: Steady 4d06h :RS232 event: RTS, DTR, CTS, DCD 4d06h :Static event: Connect Protocol: ISDN Mode Compression: None Connected Standard: V.110 TX,RX Symbol Rate: 0, 0 TX,RX Carrier Frequency: 0, 0 TX,RX Trellis Coding: (n/a), (n/a) Frequency Offset: 0 Hz Round Trip Delay: 2 msecs TX,RX Bit Rate: 19200, 19200 Robbed Bit Signalling (RBS) pattern: 0 Digital Pad: (n/a), Digital Pad Compensation: None 4d06h :Dynamic e
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ATDI Command (place V.110 call) Compression: None Connected Standard: V.110 TX,RX Symbol Rate: 0, 0 TX,RX Carrier Frequency: 0, 0 TX,RX Trellis Coding: (n/a), (n/a) Frequency Offset: 0 Hz Round Trip Delay: 2 msecs TX,RX Bit Rate: 9600, 9600 Robbed Bit Signalling (RBS) pattern: 0 Digital Pad: (n/a), Digital Pad Compensation: None 10:37:20:Dynamic event: Sq Value: 7 Signal Noise Ratio: 0 dB Receive Level: 0 dBm Phase Jitter F
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By specifying a value 8 in S29, the user causes the remote modem to implicitly assume that a V.110 connection is to be established. This command indicates that an ISDN call is being requested, and when used with the S29=8 command, results in modem code issuing a ISDN_DIALSTRING (0x45) request being made to the host. After entering the S29=8 command, you can enter the desired user rate if different from the default value of 9600 bps. This command takes the form: S57=speed. For supported rates
