Cisco 521SG Administration Guide - Page 135

Configuring Security, Quality, and Network Features Configuring Voice Codecs 5 Parameter G729a Enable G722 Enable G723 Enable G726-16 Enable G726-24 Enable G726-32 Enable G726-40 Enable Release Unused Codec DTMF Process AVT Description To enable the use of the G.729a codec at 8 kbps, select yes. Otherwise, select no. Defaults to yes. Enables use of the G.722 codec. Defaults to yes. Not applicable to the Cisco WIP310. To enable the use of the G.723a codec at 6.3 kbps, select yes. Otherwise, select no. Defaults to yes. Not applicable to the Cisco WIP310, Cisco SPA300 Series, Cisco SPA525G or Cisco SPA525G2. To enable the use of the G.726 codec at 16 kbps, select yes. Otherwise, select no. Defaults to yes. Not applicable to the Cisco WIP310, Cisco SPA525G or Cisco SPA525G2. To enable the use of the G.726 codec at 24 kbps, select yes. Otherwise, select no. Defaults to yes. Not applicable to the Cisco WIP310, Cisco SPA525G or Cisco SPA525G2. To enable the use of the G.726 codec at 32 kbps, select yes. Otherwise, select no. Defaults to yes. To enable the use of the G.726 codec at 40 kbps, select yes. Otherwise, select no. Defaults to yes. Not applicable to the Cisco WIP310, Cisco SPA525G or Cisco SPA525G2. To enable the release of codecs not used after codec negotiation on the first call so that other codecs can be used for the second line, select yes. Otherwise, select no. Defaults to yes. Processes RTP DTMF events. When yes DTMF is relayed by using Named Telephony Events (NTEs) in Real-Time Transport Protocol (RTP) packets (RFC-2833, RTP Payload for DTMF Digits, Telephony Tones and Telephony Signals). Defaults to yes. Cisco Small Business SPA300 Series, SPA500 Series, and WIP310 IP Phone Administration Guide 134