
If the end point is a TDM set the call server messages the Media Gateway to allocate TDM/IP resource as well as signalling the traditional
set. The Voice path for the completed call would be via a Media Card as shown.
IP IP
IP Set to TPS with Dialled no.
TPS passes to Call Server
Call Server looks up Dialled No.
Call Server returns VTN to TPS
TPS signals Destination IP set
Codecs agreed
Zone Bandwi dth Allocated
Destination picks up
Voice path established directly IP-IP
IP TDM
IP Set to TPS with Dialled no.
TPS passes to Call Server
Call Server looks up Dialled No.
Call Server contacts Media Gateway with TN of set
Media Gateway signals destination & allocates DSP (Media Card) resource
Codecs agreed
Zone Bandwi dth Allocated
Destination picks up
Voice path established directly IP-DSP
DSP-TDM resource
CS1K - Setup & Admin 09101511
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