Modem connection attemp failed intermittent

[martin]

I have a multitech modem which sometimes fail to send messages.
i compaired the connector log file of a succesfull message send and a unsuccesfull message send

the modem stops at
Sent:AT<CR>

It does not get the
Received:AT<CR><CR><LF>OK<CR><LF>

from the network

Is the problem at the telephone company that does not reply to the modem request or somewhere els ?

Can someone give me some hints as where to look for the problem ?

Thanks


Succesfull message

1/13/2015 10:01:22 AM ========================================
1/13/2015 10:01:22 AM Start connection to carrier: Carrier01
1/13/2015 10:01:22 AM Connect using GSM protocol
1/13/2015 10:01:22 AM Setting communication parameters (115200,n,8,1)
1/13/2015 10:01:22 AM Attempting to reset modem
1/13/2015 10:01:22 AM Sent:AT<CR>
1/13/2015 10:01:23 AM Received:AT<CR><CR><LF>OK<CR><LF>
1/13/2015 10:01:23 AM Modem reset
1/13/2015 10:01:23 AM Sent:AT+CMGF=1<CR>
1/13/2015 10:01:23 AM Received:AT+CMGF=1<CR><CR><LF>OK<CR><LF>
1/13/2015 10:01:23 AM Text delivery mode entered
1/13/2015 10:01:23 AM ----------------------------------------
1/13/2015 10:01:23 AM Working on message to: itsupport from: martin
1/13/2015 10:01:23 AM Formatting message
1/13/2015 10:01:23 AM Message contained in a single packet
1/13/2015 10:01:23 AM Sending packet
1/13/2015 10:01:23 AM Sent:AT+CMGS="8271809"<CR>
1/13/2015 10:01:23 AM Received:AT+CMGS="8271809"<CR><CR><LF>>
1/13/2015 10:01:23 AM Sent:martin:message 3<SUB>
1/13/2015 10:01:25 AM Received:martin:message 3<SUB><CR><LF>+CMGS: 172<CR><LF><CR><LF>OK<CR><LF>
1/13/2015 10:01:25 AM Packet sent successfully
1/13/2015 10:01:25 AM SUCCESSFUL Stn:0 To:itsupport Frm:martin Msg:message 3
1/13/2015 10:01:25 AM Attempting to hang up modem
1/13/2015 10:01:25 AM Sent:AT<CR>
1/13/2015 10:01:26 AM Received:AT<CR><CR><LF>OK<CR><LF>
1/13/2015 10:01:26 AM Modem hung up

-----------------------------------------------------------------

Unsucsessfull message log file

1/13/2015 9:20:13 AM Connect using GSM protocol
1/13/2015 9:20:13 AM Setting communication parameters (115200,n,8,1)
1/13/2015 9:20:13 AM Attempting to reset modem
1/13/2015 9:20:13 AM Sent:AT<CR>
1/13/2015 9:20:16 AM Attempting to reset modem
1/13/2015 9:20:16 AM Sent:AT<CR>
1/13/2015 9:20:19 AM Attempting to reset modem
1/13/2015 9:20:19 AM Sent:AT<CR>
1/13/2015 9:20:23 AM Attempting to hang up modem
1/13/2015 9:20:23 AM Sent:AT<CR>
1/13/2015 9:20:26 AM Attempting to hang up modem
1/13/2015 9:20:26 AM Sent:AT<CR>
1/13/2015 9:20:30 AM Attempting to hang up modem
1/13/2015 9:20:30 AM Sent:AT<CR>
1/13/2015 9:20:33 AM Carrier retry limit reached. Marking pending messages as bad
1/13/2015 9:20:33 AM FAILED Stn:1 To:itsupport Frm:PRTG File:tmp9236.848 Msg:[PRTG Network Monitor (ASHLNPC032)] AIWIZuidBkpRtr (Uniqa WAN) CPU Load 25 (SNMP Custom) Up (Downtime: 3 h 7 m 44 s) (OK)
1/13/2015 9:20:33 AM FAILED Stn:1 To:itsupport Frm:PRTG File:tmp9237.850 Msg:[PRTG Network Monitor (ASHLNPC032)] AIWIZuidBkpRtr (Uniqa WAN) (002) FastEthernet0 (SNMP Traffic) Up (Downtime: 3 h 6 m 44 s) (OK)
1/13/2015 9:20:33 AM FAILED Stn:1 To:itsupport Frm:PRTG File:tmp9238.852 Msg:[PRTG Network Monitor (ASHLNPC032)] AIWIZuidBkpRtr (Uniqa WAN) Ping 16 (Ping) Up (Downtime: 3 h 7 m 55 s) (OK)
1/13/2015 9:20:33 AM FAILED Stn:1 To:itsupport Frm:PRTG File:tmp9239.854 Msg:[PRTG Network Monitor (ASHLNPC032)] AIWIZuidBkpRtr (Uniqa WAN) (007) Internal switch interface connecting to the embedded AP (SNMP Traffic) Up (Downtime: 3 h 6 m 44 s) (OK)
1/13/2015 9:20:33 AM FAILED Stn:1 To:itsupport Frm:PRTG File:tmp9240.856 Msg:[PRTG Network Monitor (ASHLNPC032)] AIWIZuidBkpRtr (Uniqa WAN) (009) LAN (SNMP Traffic) Up (Downtime: 3 h 6 m 44 s) (OK)
1/13/2015 9:20:33 AM FAILED Stn:1 To:itsupport Frm:PRTG File:tmp9241.858 Msg:[PRTG Network Monitor (ASHLNPC032)] AIWIZuidBkpRtr (Uniqa WAN) (010) GRE to Combe (SNMP Traffic) Up (Downtime: 3 h 7 m 44 s) (OK)
1/13/2015 9:20:33 AM FAILED Stn:0 To:itsupport Frm:martin Msg:test of the day
1/13/2015 9:20:33 AM FAILED Stn:1 To:itsupport Frm:PRTG File:tmp9242.861 Msg:[PRTG Network Monitor (ASHLNPC032)] AIWIZuidBkpRtr (Uniqa WAN) (012) ADSL (SNMP Traffic) Up (Downtime: 3 h 7 m 44 s) (OK)
1/13/2015 9:20:33 AM FAILED Stn:1 To:itsupport Frm:PRTG File:tmp9243.863 Msg:[PRTG Network Monitor (ASHLNPC032)] AIWIZuidBkpRtr (Uniqa WAN) (006) UNIQA (SNMP Traffic) Up (Downtime: 3 h 7 m 44 s) (OK)
1/13/2015 9:20:33 AM FAILED Stn:1 To:itsupport Frm:PRTG File:tmp9244.865 Msg:[PRTG Network Monitor (ASHLNPC032)] AIWIZuidBkpRtr (Uniqa WAN) (005) ADSL (SNMP Traffic) Up (Downtime: 3 h 7 m 44 s) (OK)
1/13/2015 9:21:57 AM Unable to synchronize time with scheduler. Using local time.
1/13/2015 9:21:59 AM Module Stopped
1/13/2015 9:29:51 AM Module Started
1/13/2015 9:29:53 AM Time synchronized with scheduler
1/13/2015 9:43:59 AM ========================================

[OzCom]

It appears that PageGate is not being allowed to access the COM port that the cellular modem is using. This is typically caused by another software package occasionally grabbing that port

_________________
Aaron D. Osgood
Streamline Communications, LLC
* Authorized Notepage, Inc. Development Partner and Re-seller
TEL: 207-518-8455
AOsgood@streamline-solutions.net
Creators of AutoPage Spillman CAD interface for PageGate

[martin]

Thanks for the information, i will look into that right away.