Category Archives: Gateways

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What are Transcoders in Cisco IP Telephony? Use of Transcoder?

What is a Transcoder or XCode in Cisco IP Telephony? What are the uses of Transcoder? Transcoders are hardware devices which takes the media stream of one codec and converts it from one compression type to another compression type. Cisco Unified Communications Manager (CUCM) invokes

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What is SRST? Difference between SRST and E-SRST

Survivable Remote Site Telephony (SRST) Normally Cisco IP Phones registers to CUCM whether you use Multi-site with Centralized/Distributed Call Processing Model, Clustering over IP WAN or Single Site Deployment. In the event of WAN failure or the primary, secondary and tertiary CUCM server goes down,