My customer has a WAN MPLS and 2 remote sites. On each site he has a legacy PBX. He wants to use his MPLS WAN to carry voice using G729B by connecting each PBX to a local GW using an E1 PRI (Euro ISND) link. He has to use G729B because of the future use of Cosmocom Call Center (MCC).
Each GW will use a VWIV-1MFT-E1 (E1 PRI link to legacy PBX) as well as 1 PVDM2-32 module.
I wonder wether I have to add or not additionnal DSP to transcode voice between G711 and G729B (according to the DSP calculator I need then 7 DSP). If so, I guess I also have to add CCME on each GW.
Or is the 2811 GW able to set up G729B calls directly from an E1 PRI (wich use G711 codec) to a remote WAN GW ?
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If you have 2 ISR routers, one acting as Failover, do we need to have both the same number of SRST licenses on the 2 routers?
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