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Easy Configuration for Microsoft Teams uses SILK Narrowband  

Available_since
Type Available Since Release 8.1.5

By default, Easy Configuration in the the

Spacevars
0 series3

configures SILK Narrowband for SILK. The best use of SILK Wideband is configured with another Wideband codec. Using SILK Wideband to G.711 does not increase voice quality and will diminish call capacity. 

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For a Teams client located inside the corporate network: Place a call to the Carrier access on the Downstream SBC. If the call has media optimization, the Proxy SBC's Monitor screen displays DA; this indicates the media is direct between the Teams client and the Downstream SBC (see below). If the Proxy SBC's Monitor screen displays B, the Proxy SBC proxies the media and the media is not optimized. Available_sinceTypeAvailable SinceRelease8.1.5 

Caption
0 Figure 1 Proxy SBC's Monitor Screen Displays DA

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