Question about Cisco 7940 IP Phone

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How do i get my cisco 7940 working in my home

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  • Expert
  • 97 Answers

You would need either a call manager or call manager express to configure the phone and connect to the phone line.

Posted on Oct 17, 2010

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6 Suggested Answers

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Posted on Jan 02, 2017

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  • 3 Answers

SOURCE: convert CISCO 7940 to SIP

you need different files to upload by tftp
by example version 8
P0S3-08-2-00.sb2
P0S3-08-2-00.sbn
P0S3-08-2-00.bin
P0S3-08-2-00.loads
OS79XX.TXT (tells the version)
SIPDefault.cnf


Posted on Aug 26, 2008

ward_knutson
  • 64 Answers

SOURCE: Converting Cisco 7940 IP Phone to SIP

Unlocking a Cisco 7940

Method 1:
1) Unplug the phone
2) Plug the phone back in while holding the # key
The phone will soon display “Reset key sequence detected”
3) After several lights flash press the following keys in order:
1 2 3 4 5 6 7 8 9 * 0 #
4) The phone will then ask you if you want to save the network configurations:
Save network cfg? 1=yes 2=no
5) The phone will soon display “Factory reset initiated” and will continue
through the boot up process.
If that process fails to work for some reason there
is a second method.

Method 2

Complete these steps:

  1. Press Settings.
  2. The Network Configuration lock symbol must be unlocked. If not, exit to the main window and press ** # again.
  3. Press 3 on the keypad (or scroll down) for Network Configuration.
  4. Press 33 on the keypad (or scroll down) to Erase Configuration.
  5. Press the Yes softkey.
  6. Press the Save softkey.
The phone will now be reset.

Also see this link
http://www.cisco.com/univercd/cc/td/...tain.htm#93250

Posted on Nov 25, 2008

RPaterson
  • 48 Answers

SOURCE: My Cisco ip Phone 7940

Solution #1 sure is funny, but however the "not-ringing" is a known bug with Cisco 7940 IP Phones. At IdacomUSA, we will gladly and professionally repair and refurbish your phone and get rid of that problem for ya.

http://idacomusa.com

Posted on Feb 18, 2009

RPaterson
  • 48 Answers

SOURCE: 'in call' volume cisco 7940

The handsets will eventually go bad. If it is every single handset that you have, the problem is with the system. But if the problem is only with a few of your phones, you might consider replacing the handsets. We at IdacomUSA.com have replacement Cisco handsets for sale at only $25. Hope this helps you out :)

1-800-903-9190

Posted on May 18, 2009

  • 82 Answers

SOURCE: my red light wont go out on cisco 7940 phone, even

Hi,

Has this just stopped working, or has it never been working?

On the call manager / CME the MWI (Message Waiting Indicator) needs to be configured. This could be undertaken either via the GUI or from the CLI

For instance ...

ephone-dn 30
number 8000...
mwi on
!
!
ephone-dn 31
number 8001...
mwi off

and also mapped to each phone to enable MWI status

ephone-dn 1 dual-line
number 111
label Chris
name fred
call-forward busy 800
call-forward noan 800 timeout 10
huntstop channel
mwi-type visual

Complete config details are at:http://www.ciscosystems.com/en/US/docs/voice_ip_comm/cucme/command/reference/cme_m1ht.html#wp1018439

If this helps pls leave feedback

Posted on Feb 04, 2010

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1 Answer

The Cisco 7940 Phone...if you work from home and use this phone can your Corp office be able to monitor your calls?


It is possible for them to monitor voip calls, if your call passes through their network, or they do remote monitoring on network traffic. The voip traffic is only data that needs to be 'reassembled' to hear the voice stream. However, this is more difficult if the traffic is encrypted between the phone and the call manager or whatever they are using.

I am no legal person, but I am sure that you would have to have agreed to have your calls monitored for them to be able to do this.

Oct 11, 2010 | Cisco 7940 IP Phone

1 Answer

We are experiencing some NW problems with our Cisco 7940 hardphones. We have several installed and for some time now it seems that these hardphones just lose their default gateway configuration and stop...


I would check the firmware on the phones. Also, check that your switches are properly configured. Duplex settings do matter. If your using cisco switches; do a "show interface" and check for CRC errors etc.

Jun 25, 2010 | Cisco 7940 IP Phone

2 Answers

Can I use a CISCO IP 7941 phone, that has been on a company network, in my home? Should it just work by plugging in a telephone connection and using the appropriate power supply? Is there programming that...


Yes, there is programming which would need to be removed. However, you would need a cisco call manager($800) at home. Unless of course you have voip in your home. then you could just set it to DHCP I'm assuming and then it should just work!

Jan 14, 2010 | Cisco 7940 IP Phone

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Cisco IP Phone 7940 and 3com nbx as 3rd party SIP phones


Here are the instructions for configuring these units for 3cx

http://www.3cx.com/sip-phones/cisco-7940.html

http://www.3cx.com/sip-phones/polycom-soundpoint.html

Since the 3cx softphone worked well, I don't see why you couldn't configure each as for 3cx and make them work as well.

Dec 09, 2009 | 3Com NBX 2102PE IP Phone

1 Answer

'in call' volume cisco 7940


The handsets will eventually go bad. If it is every single handset that you have, the problem is with the system. But if the problem is only with a few of your phones, you might consider replacing the handsets. We at IdacomUSA.com have replacement Cisco handsets for sale at only $25. Hope this helps you out :)

1-800-903-9190

Mar 04, 2009 | Cisco 7940 IP Phone

2 Answers

My Cisco ip Phone 7940 will not ring.


Give me your number, and i'll call you! Solved! =-D

Jan 27, 2009 | Cisco 7940 IP Phone

2 Answers

Cisco 7940 call conferencing


No most system are maxed on the phone ... but if you had a panasonic system they are know for multi conferencing.

Apr 08, 2008 | Cisco 7940 IP Phone

1 Answer

My client has Cisco 7940 IP phones and wants assistance with feature programming


This phone can be access through a menu/ setting buttons.

Useful link on how to navigate through the phone:
http://www.cisco.com/warp/public/779/largeent/avvid/products/7940/7940_topic3.htm
I think the main problem is to determine the intergrated router or Call manager configuration
You can also connect on switch and type:show cpd neighbor This will show the physical port connections

Nov 27, 2007 | Cisco 7940 IP Phone

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