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https://www.cisco.com/c/en/us/td/docs/ios/12_4/12_4_mainline/jtg722atg_gold.html
Dec 27, 2007 · Feature Information for G.722-64 and iLBC Codec Support on Cisco UBEs, DSP Farms, and Voice Gateways . Table 6 lists the release history for this feature. Not all commands may be available in your Cisco IOS software release. For release information about a specific command, see the command reference documentation.
https://community.cisco.com/t5/ip-telephony-and-phones/does-cp7941-support-the-g-722-codec/td-p/2013283
If Cisco Unified CallManager has been configured to use G.722 (G.722 is enabled by default for Cisco Unified IP Phone Models 7941G, 7941G-GE, 7961G, 7961G-GE, 7970G, and 7971G-GE; other phone models may not support it), and the far endpoint also supports G.722, the call will be connected using the G.722 codec in place of G.711.
https://community.cisco.com/t5/routing/g-722-vs-g-711/td-p/1299267
I know this isn't the place for this but similar questions asked in the VOIP forum were never answered. I was wondering if you guys have an docs outlining the difference/improvements in g.722 as oppose to g.711 if any. Thanks, Brent
https://www.cisco.com/c/en/us/support/docs/voice-unified-communications/unified-communications-manager-callmanager/41386-codec-faq.html
Mar 30, 2005 · G.722. G.722.1. G.728. Cisco Unified Communications Manager 6.x supports the codecs supported by CallManager 4.x and these codecs: G.722. G.722.1. G.728. iLBC. Advanced Audio CODEC (AAC) for use with Cisco TelePresence devices. Q. What codecs does Cisco Customer Response Applications (CRA) support? A. These codecs are supported by the ...
https://quickview.cloudapps.cisco.com/quickview/bug/CSCva48193
Symptom: If the "Advertise G.722 Codec" under Enterprise Parameters is set to disabled, the Opus Codec will not be used even if "Opus Codec Enabled" service parameter is enabled. Conditions: - If the "Advertise G.722 Codec" under Enterprise Parameters is set to disabled, the Opus Codec will not be used even if ";Opus Codec Enabled" service parameter is enabled.
https://www.voipsupply.com/cisco-hd-voice
The G.722 recommendation used the same ADPCM for voice compression, but instead of compressing 64 kbps into 16 kbps like G.721, G.722 maintained the same bit rate but doubled the audio content. Doubling the audio content meant the G.722 codec could support a wider voice frequency range within the same 64-kbps stream as toll-quality PCM.
https://quickview.cloudapps.cisco.com/quickview/bug/CSCsg73799
Jun 22, 2012 · Symptom: The G.722 codec is not negotiated when it is configured in the MeetingPlace Audio Server. Conditions: The G.722 codec is currently not supported by the MeetingPlace IP Gateway.
https://support.zoom.us/hc/en-us/articles/202445433-Conference-Room-Connector-Supported-Devices
Room Connector works with most systems that support SIP or H.323 with H.264 video and G.722 or G.711 audio. Enhanced support for calendaring and other features is available for select Polycom and Cisco room systems.
http://www.voicecerts.com/2010/04/overview-of-g722-wideband-codec.html
This service parameter determines whether Cisco Unified Communications Manager supports G.722 negotiation for none, some, or all devices. Valid values specify "Enabled for All Devices" (support G.722 for all devices), "Enabled for All Devices Except Recording-Enabled Devices" (support G.722 for all devices except those that have call recording ...
https://en.wikipedia.org/wiki/G.722
G.722 is an ITU-T standard 7 kHz wideband audio codec operating at 48, 56 and 64 kbit/s. It was approved by ITU-T in November 1988. Technology of the codec is based on sub-band ADPCM (SB-ADPCM). The corresponding narrow-band codec based on the same technology is G.726.Latest version: (09/12), September 2012
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