This chapter reviews methods of reducing bandwidth requirements and using Call Admission Control.
This section reviews bandwidth conservation techniques.
Use high-bandwidth codecs in LAN environments and use low-bandwidth codecs in WANs. Use an alternative method than a low-bandwidth codec for MOH. The codec used depends on the region configuration in Cisco Unified CM.
This keeps traffic off the IP WAN. This is implemented using DSPs at the routers of the remote sites.
These allow low-bandwidth codecs when both endpoints do not support the same codecs.
To configure, do the following:
Add the transcoder resource ...