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16,889 results for
Fixing Problems with IP Phone Services
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This document describes how to resolve most issues with IP phone services.
www.cisco.com/en/US/products/sw/voicesw/ps556/products_tech_note09186a008009463f.shtml
28 Oct 2011
Cisco IP phones have buttons that you can program to dial a number when they are pressed. For example, the default template for the Cisco 7960 IP phone has four speed dial buttons. These buttons can be configured by a user that has been associated with an IP...
www.cisco.com/en/US/products/sw/voicesw/ps556/products_tech_note09186a0080094765.shtml
09 Aug 2011
This document discusses and solves the most common problems that cause Cisco IP phones to fail to register with the Cisco CallManager.
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www.cisco.com/en/US/products/hw/phones/ps379/products_tech_note09186a008009485a.shtml
26 May 2009
This document answers some of the most frequently asked questions (FAQ) about Cisco IP Phones.
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www.cisco.com/en/US/products/hw/phones/ps379/products_qanda_item09186a00800a6763.shtml
03 Jun 2008
If you are unable to access the Corporate Directory from your Cisco IP phone, you could have problems with the Corporate Directory URL. The URL could have an incorrect Cisco CallManager name IP address and your IP phones cannot resolve it.
www.cisco.com/en/US/products/sw/voicesw/ps556/products_tech_note09186a008009463a.shtml
19 Nov 2008
...features: The endpoints have fixed keys for fast access to commonly used features, with various models supporting...messaging, directory, and services > Continued > Continued...Additional Information IP Endpoint Multimedia Applications...Accessories Cisco Unified IP Phones 9900 Series Cisco DX600...Light Voice Communications Services Cisco Unified IP Phone 6911 The single-line Cisco...workers and teleworkers with lighter communication needs... • Provides additional fixed keys for transfer, conferencing...
www.cisco.com/en/US/prod/collateral/voicesw/ps6788/phones/ps379/prod_brochure0900aecd800f6d4a.pdf
11 Mar 2013
4508KB
One of the challenges IP Telephony has faced is that traditional PBX-based digital phones derive power from the PBX through the phone cable. This allows the phones to operate during times of power outages, provided that the PBX has a battery, a generator backup or both. First...
www.cisco.com/en/US/products/hw/phones/ps379/products_tech_note09186a00801189b5.shtml
15 Aug 2006
...Unified IP Phone 7940G IP Phones: Directories and Services Buttons Prompt for Username...2008 Reset 7900 Series IP Phones if Password is Set 20...How to Troubleshoot Roaming Problems for a Cisco Wireless IP Phone...x: ConfList Feature Fails with the "Error Unknown" Error...Directory 25/Feb/2009 Fixing Issues with Corporate Directory...
www.cisco.com/en/US/products/hw/phones/ps379/prod_tech_notes_list.html
25 Apr 2005
The purpose of this document is to present how IP Fragmentation andPath Maximum Transmission Unit Discovery (PMTUD) work and to discuss somescenarios involving the behavior of PMTUD when combined with differentcombinations of IP tunnels. The current widespread use of IP tunnels...
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www.cisco.com/en/US/tech/tk827/tk369/technologies_white_paper09186a00800d6979.shtml
14 Jan 2008
Cisco Unified IP Phones 7900 Series devices, also known as TNP phones, are affected by three vulnerabilities that could allow an attacker to elevate privileges, change phone configurations, disclose sensitive information, or load unsigned software. These three vulnerabilities...
www.cisco.com/en/US/products/csa/cisco-sa-20110601-phone.html
10 Dec 2011
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