Question about Cisco 7940 IP Phone
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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Posted on Jan 02, 2017
SOURCE: convert CISCO 7940 to SIP
you need different files to upload by tftp
by example version 8
OS79XX.TXT (tells the version)
Posted on Aug 26, 2008
Unlocking a Cisco 7940
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.
Complete these steps:
Also see this link
Posted on Nov 25, 2008
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.
Posted on Feb 18, 2009
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 :)
Posted on May 18, 2009
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 ...
and also mapped to each phone to enable MWI status
ephone-dn 1 dual-line
call-forward busy 800
call-forward noan 800 timeout 10
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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