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Troubleshooting Unrecognized Voice Interface Cards on Cisco 1750, 1751, and 1760 Routers
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This document explains how to troubleshoot a Cisco 1750, Cisco 1751, or Cisco 1760 router that does not recognize Voice Interface Cards (VICs).
www.cisco.com/en/US/products/hw/routers/ps221/products_tech_note09186a00800c3399.shtml
02 Feb 2006
An Ear and Mouth (E&M) interface supports tie-line facilities or signals between telephone switches. You can use the E&M voice interface card (VIC) to integrate VoIP with the legacy voice solution. The E&M VIC connects the Cisco router to a PBX.
References:
5
TAC
www.cisco.com/en/US/tech/tk652/tk653/technologies_tech_note09186a0080094ab9.shtml
02 Feb 2006
Direct Inward Dialing (DID) is a service offered by telephone companies that enables callers to dial directly an extension on a PBX or packet voice system (for example, Cisco CallManager and Cisco IOS routers and gateways) without the assistance of an operator or automated...
www.cisco.com/en/US/products/hw/routers/ps259/products_tech_note09186a00800c67ec.shtml
08 Oct 2006
The Cisco Foreign Exchange Office (FXO) interface is an RJ-11 connector that allows an analog connection to be directed at the public switched telephone network's (PSTN's) central office or to a station interface on a private branch exchange (PBX). The FXO sits on the...
www.cisco.com/en/US/products/hw/routers/ps274/products_tech_note09186a00800b53c7.shtml
15 Aug 2006
A Foreign Exchange Station (FXS) interface connects directly to a standard telephone, fax machine, or similar device and supplies ring, voltage, and dial tone. The Cisco FXS interface is an RJ-11 connector that allows connections to basic telephone service equipment, keysets, and...
www.cisco.com/en/US/tech/tk652/tk653/technologies_tech_note09186a0080094fac.shtml
20 Nov 2006
...Cisco 1760 routers, it could...the packet voice data module...Refer to Troubleshooting Unrecognized Voice Interface Cards on Cisco 1750, 1751, and 1760 Routers, document...
www.cisco.com/en/US/docs/ios/voice/monitor/configuration/guide/vt_dig_vc_tbsh_ps6441_TSD_Products_Configuration_Guide_Chapter.html
13 Jun 2008
...Cisco 1760 routers, it could...the packet voice data module...Refer to Troubleshooting Unrecognized Voice Interface Cards on Cisco 1750, 1751, and 1760 Routers, document...
www.cisco.com/en/US/docs/ios/voice/monitor/configuration/guide/vt_dig_vc_tbsh_ps6350_TSD_Products_Configuration_Guide_Chapter.html
13 Jun 2008
This document shows you how to perform tests to determine the best match impedance setting for an analog Foreign Exchange Office (FXO), Foreign Exchange Station (FXS), or Direct Inward Dialing (DID) voice port. The voice port connects to a voice switch such as a private branch exchange...
References:
13
TAC
www.cisco.com/en/US/tech/tk652/tk701/technologies_tech_note09186a0080477a06.shtml
11 Oct 2006
...Switching with Router TDM Switching...Layer 1 on a Cisco 1700/2600...Jun/2005 Troubleshooting Unrecognized Voice Interface Cards on Cisco 1750, 1751, and 1760 Routers ...
www.cisco.com/en/US/products/hw/routers/ps221/prod_tech_notes_list.html
25 Apr 2005
...Relay enables a router to carry voice...Fragmentation for Voice Frame Relay...2)T Troubleshooting Unrecognized Voice Interface Cards on Cisco 1750, 1751, and 1760 Routers ...
www.cisco.com/en/US/tech/tk652/tk692/tsd_technology_support_sub-protocol_home.html
09 Oct 2010
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