20 Most Recent Cisco 7940 IP Phone Questions & Answers


from what I have researched on the web you need to download the Cisco unified Communications Manager software on to the P.C you wish to use to access the server via the web browser. it states you open the software via a web browser. The reason being the Voip server has no software on it.
http://www.cisco.com/web/developer/cucm/content/download.html

http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/admin/11_5_1/CUCM_BK_A09578D7_00_admin-guide-cucm-imp_1151/CUCM_BK_A09578D7_00_admin-guide-for-cucm-1105_chapter_01.html

Cisco 7940 IP... | Answered on Oct 18, 2016


I suggest a firmware upgrade and if that doesnt work, try a factory reset.

Cisco 7940 IP... | Answered on Oct 10, 2013


If there are lines through your line appearances than your phone is likely not properly registered with your Callmanager or SIP registrar, you need to configure your phone properly so it registers and associates with an extension on your PBX or hosted service.

<a href="http://www.ciscopowercube.com">Cisco CP-PWR-CUBE3</a>

Cisco 7940 IP... | Answered on Dec 13, 2012


You need to ensure that each port that has a phone plugged into it is configured with power over ethernet configured switched on.

Cisco 7940 IP... | Answered on Dec 05, 2012


get a dial tone and dial 7091.

do the same with 7090 to turn the message light on.

Cisco 7940 IP... | Answered on Nov 21, 2012


can you explain me how is your phone connect to internet.
best on your Question its seems to me you cant hear a dial tone because of following one or more factors might apply
  1. you must log into the Extension Mobility service
  2. you must enter a client matter code (CMC) or forced authorization code (FAC) after dialing a number
  3. your phone has time -of-day restrictions that prevent you from using some features during certain hours of the day

Cisco 7940 IP... | Answered on Oct 11, 2011


It could be the IE browser issue. Try FireFox browser and see if it helps

Cisco 7940 IP... | Answered on Oct 04, 2011


it would appear your phone is not getting an address from your DHCP server, i would start by plugging in a laptop to see if that gets an ip address

Hope this helps

Cisco 7940 IP... | Answered on Jun 03, 2011


You will need to configure this through whatever SIP gateway you are using, it is not configured through the handset.

Cisco 7940 IP... | Answered on May 23, 2011


Are you sure it is a PoE model? The 3650v2 comes in both a PoE and non PoE model.

PoE models: 3560V2-24PS, 3560V2-48PS
non-PoE models: 3560V2-24TS, 3560V2-48TS

Cisco 7940 IP... | Answered on Apr 15, 2011


Using the soft buttons at the bottom of the display, click the last button on the right (More). This will provide another set of options. The third option from the left should say "DND". Press the soft button below this option to turn off DND.

Cisco 7940 IP... | Answered on Mar 07, 2011


You should be able to find a link to what you need on this page -> http://www.cisco.com/en/US/products/hw/phones/ps379/tsd_products_support_series_home.html

Cisco 7940 IP... | Answered on Mar 01, 2011


You should contact your network administrator.

Cisco 7940 IP... | Answered on Feb 28, 2011

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