Digital Modems training on 3640 RAS

[dave_randall]

I have set up a CISCO 3640 as a RAS. This has 4 ordinary async modems, an 8 port BRI (NM-8B-S/T) and 6 Digital Modems (NM-6DM). I can dial into the async modems fine and authenticate without any problems. However with the digital modems I can never train-in successfully. I can tell from the debug info that the BRI port answers OK and passes the call to the digital modem. The digital modem says that it is training but never connects successfully. On the access PC side the training tone from the digital modem is very loud compared to an ordinary modem and does not seem to vary as much. Are there any commands which effect the training volume/behaviour of the digital modems? Any other ideas? (Debug info below)

Many thanks in advance, Dave

7w5d: ISDN BR1/0: RX <- SETUP pd = 8 callref = 0x09

7w5d: Sending Complete

7w5d: Bearer Capability i = 0x9090A3

7w5d: Channel ID i = 0x8A

7w5d: Progress Ind i = 0x8183 - Origination address is non-ISDN

7w5d: Calling Party Number i = 0x2183, '2075503200', Plan:ISDN, Type:National

7w5d: ISDN BR1/0: Event: Received a VOICE call from 2075503200 on B2 at 64 Kb/s

7w5d: ISDN BR1/0: Event: Accepting the call id 0x13

7w5d: CSM: MODEM_REPORT from 1/0:1, call_id=0x13, event=0x1, cause=0x0, dchan_idb=0x612D5974

7w5d: CSM: Next free modem = 2/3; statbits = 10020

7w5d: Modem 2/3 CSM: modem is allocated, modems free=5

7w5d: Modem 2/3 CSM: Incoming call from 2075503200 to Unknown, id 0x13

7w5d: Modem 2/3 CSM: (CSM_PROC_IDLE)<--ISDN_CALL

7w5d: ISDN BR1/0: TX -> CALL_PROC pd = 8 callref = 0x89

7w5d: Channel ID i = 0x8A

7w5d: ISDN BR1/0: TX -> ALERTING pd = 8 callref = 0x89

7w5d: ISDN BR1/0: TX -> CONNECT pd = 8 callref = 0x89

7w5d: ISDN BR1/0: RX <- CONNECT_ACK pd = 8 callref = 0x09

7w5d: CSM: MODEM_REPORT from 1/0:1, call_id=0x13, event=0x4, cause=0x0, dchan_idb=0x612D5974

7w5d: Modem 2/3 CSM: MODEM_REPORT rcvd DEV_CONNECTED for call_id 0x13

7w5d: Modem 2/3 CSM: (CSM_PROC_MODEM_RESERVED)<--ISDN_CONNECTED

7w5d: Modem 2/3 Mica: configured for Answer mode, with Null signaling, 0x0 tone detection.

7w5d: Modem 2/3 Mica: in modem state CALL_SETUP

7w5d: Modem 2/3 Mica: in modem state CONNECT

7w5d: Modem 2/3 Mica: in modem state LINK

7w5d: %ISDN-6-CONNECT: Interface BRI1/0:2 is now connected to 2075503200

7w5d: Modem 2/3 Mica: in modem state TRAINUP

7w5d: Modem 2/3 Mica: in modem state TERMINATING

7w5d: Modem 2/3 CSM: (CSM_PROC_WAIT_FOR_CARRIER)<--MODEM_DISCONNECTED

7w5d: Modem 2/3 Mica: in modem state IDLE

7w5d: Modem 2/3 CSM: (CSM_PROC_WAIT_FOR_CARRIER)<--QUEUED_DISCONNECT

7w5d: Modem 2/3 CSM: CSM_MODEM_DEALLOCATE: modem is deallocated

7w5d: %ISDN-6-DISCONNECT: Interface BRI1/0:2 disconnected from 2075503200 , call lasted 64 seconds

7w5d: ISDN BR1/0: TX -> DISCONNECT pd = 8 callref = 0x89

7w5d: Cause i = 0x8090 - Normal call clearing

7w5d: Modem 2/3 Mica: DISCONNECT after 00:01:04, due to reason (0x6008) Took too long to connect.

7w5d: ISDN BR1/0: RX <- RELEASE pd = 8 callref = 0x09

7w5d: CSM: MODEM_REPORT from 1/0:1, call_id=0x13, event=0x0, cause=0x0, dchan_idb=0x612D5974

7w5d: CSM: MODEM_REPORT rcvd DEV_IDLE for call_id 0x13, modem not found due to wrong b channel number or b channel is deallocated

7w5d: CSM: MODEM_REPORT from 1/0:1, call_id=0x13, event=0x0, cause=0x0, dchan_idb=0x612D5974

7w5d: CSM: MODEM_REPORT rcvd DEV_IDLE for call_id 0x13, modem not found due to wrong b channel number or b channel is deallocated

[jduffek]

What kind of modem are you dialing in with? Could you possibly get the firmware rev from it?(ati1-11) Also get a "sh modem" and a "sh modem ver" from the 3600. If you are not running 2.7.3.0 on your micas...you should upgrade.

Josh

[dave_randall]

Thanks a lot for your reply.

It happens with at least 3 different client modems I have tried thus far, mostly pretty new, and they all do the same thing, so I am sure that it is nothing to do with the client modem.

The software is 2.7.2.0, so how do I go about getting an upgrade? We only purcahsed them December 2001 so should we be able to get it for free? What is the issue here?

Finally what is "sh modem" and a "sh modem ver"? I am afraid that you have lost me there.

Thanks again, Dave

[zahmed]

While you can download the latest 2730 pw from software center on CCO, this could provide further help :

http://www.cisco.com/warp/customer/471/upgrading_modem_firmware.shtml

~Zulfi

[dave_randall]

Modem status below:

Sorry I was being slow, sh modem means show modem doesn't it!!!!

Codes:

* - Modem has an active call

R - Modem is being Reset

D - Download in progress

B - Modem is marked bad and cannot be used for taking calls

b - Modem is either busied out or shut-down

Avg Hold Inc calls Out calls Busied Failed No Succ

Mdm Time Succ Fail Succ Fail Out Dial Answer Pct.

2/0 00:00:22 0 3 0 0 0 0 1 0%

2/1 00:00:27 0 2 0 0 0 0 0 0%

2/2 00:00:39 0 2 0 0 0 0 0 0%

2/3 00:00:52 0 2 0 0 0 0 0 0%

2/4 00:01:04 0 2 0 0 0 0 0 0%

2/5 00:01:05 0 2 0 0 0 0 0 0%

Total: 00:00:43 0 13 0 0 0 0 1 0%

CI3640_1#show modem ver

Slot 2:MICA-6DM Firmware, Source - IOS

CP ver 2720 - 5/30/2000, CheckSum 55E02A4A.

SP ver 2720 - 5/30/2000.

MICA 0: HW Version 2.1, Serial Number 19120698.

MICA 1: Not Installed.

MICA 2: Not Installed.

MICA 3: Not Installed.

MICA 4: Not Installed.

Dave

[rjshafer]

Dave,

Roland Shafer here...

I am looking to implement almost exactly the same configuration (I think), would you be able to send me the parts list you ordered? I would most gratefully appreciate it.

Thank you in advance :7)