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Troubleshooting Codec and Voice Card Complexity
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Codec complexity refers to the amount of processing required to perform voice compression. Codec complexity affects the call density-the number of calls reconciled on the digital signal processors (DSPs). With higher codec complexity, fewer calls can be...
www.cisco.com/en/US/products/hw/routers/ps259/products_tech_note09186a00800a74d7.shtml
01 Jun 2006
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
This document provides an overview of the different coder-decoders (codecs) used with Cisco IOS® Voice over IP (VoIP) gateways. In Cisco IOS Software Releases earlier than 12.0(5)T, VoIP gateways only supports the G.729 and G.711 codecs and only one voice/fax-relay call per digital signal...
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www.cisco.com/en/US/tech/tk1077/technologies_tech_note09186a00800b6710.shtml
02 Feb 2006
The NM-HDV2 IP Communications High-Density Digital Voice or Fax Network Modules combines WAN Interface Card (WIC) and Voice Interface Card (VIC) functionality to provide unparalleled flexibility and power. The NM-HDV2 is able to support up to an optimal maximum of 256 voice...
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www.cisco.com/en/US/tech/tk652/tk653/technologies_tech_note09186a008039c333.shtml
10 Aug 2006
This document demonstrates basic techniques and commands to troubleshoot and debug VoIP networks. An overview of the Voice Call Flow and Telephony Architecture in a Cisco Router is presented, followed by a step-by-step VoIP troubleshooting approach presented in these steps:
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www.cisco.com/en/US/tech/tk1077/technologies_tech_note09186a0080094045.shtml
11 Oct 2005
This document provides an overview to the C542 and C549 digital signal processors (DSPs) used in Cisco voice platforms such as the Cisco 1750, 2600, 3600, and VG-200 voice network modules, as well as the Cisco AS5300 voice feature cards.
www.cisco.com/en/US/products/hw/gatecont/ps2250/products_tech_note09186a008011537d.shtml
07 Feb 2006
The Digital T1/E1 Packet Voice Trunk Network Module provides a flexible and scalable T1/E1 voice solution for Cisco 2600, 2600XM, 2811, 2821, 2851, 2691 3600, 3700 series and 3800 series multiservice Modular Access routers and supports up to 60 voice channels in a single network...
www.cisco.com/en/US/prod/collateral/routers/ps259/product_data_sheet09186a0080194e20_ps3115_Products_Data_Sheet.html
23 Jun 2003
The IP Communications High Density Voice Network Modules combine WAN Interface Card (WIC) and Voice Interface Card (VIC) functionality to provide unparalleled flexibility and power. The High Density Voice Network Module can support up to 60 simultaneous mid-complexity...
www.cisco.com/en/US/tech/tk652/tk701/technologies_tech_note09186a00800b65d6.shtml
28 Nov 2006
Voice and Data Support on VWIC3s
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www.cisco.com/en/US/docs/routers/access/interfaces/software/feature/guide/vd-t1e1_vwic3.html
24 May 2012
... Router(config)#voice echo-canceller extended...3(1) Router(voice-card)#codec complexity medium 12.3(4...
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www.cisco.com/en/US/tech/tk652/tk698/technologies_tech_note09186a0080149a1f.shtml
02 Apr 2008
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