Estimate the number of registered endpoints for every Media Gateway.
Estimate the number of connected digital sets.
Estimate the number of analog line cards.
Note:
Analog line cards used by CS 1000 and Device Adapter cannot detect whether an analog endpoint is connected until the endpoint is registered and used.
If you install an analog line card, the Device Adapter registers all 16 endpoints on the analog line card, even if these endpoints are not connected.
A DSP is required for every endpoint. Support for 160 endpoints would require 160 DSPs provisioned as Voice Gateway (VGW) channels.
MGXPEC: Always carries DB96 + DB96.
MGC (NTDW60, NTDW98): Has two daughterboard slots for DB32, DB96, or DB128. The second slot (DB2) must be used for a DB with less or the same channel capacity as the first slot (DB1).
If the estimated endpoints are more than the number of channels provided, there are two options:
If one DB is present, insert it to DB2, then buy a DB128 and insert it to DB1.
If DB1 and DB2 are present, replace one or both daughterboards with DB128.
If the migration is done from Small System Controller (SSC) with Media Cards (ITG-P, MC32, and MC32s):
Acquire an MGC (NTDW60, NTDW98) with one or two DB128 depending on an estimated endpoint value.
Device Adapter cluster has the following capacity limitations:
The maximum number of all endpoints registering to Avaya Aura®.
The maximum number of TDM endpoints.
Device Adapter cluster must be sized to meet the number of endpoints supported.
However, in an MGC-only environment, the maximum number of MGCs supported per cluster is 128. Each MGC supports a maximum of 160 DSP channels. Consequently, no more than 20,480 TDM endpoints can be placed in a cluster.
In an MGXPEC-only environment, the maximum number of MGXPECs supported per cluster is 64. Each MGXPEC supports a maximum of 256 DSP channels. Hence, a maximum of 16,384 TDM endpoints are supported per cluster.
As the largest cluster is the Large 5+1 deployment with High Availability, the 5+1 cluster supports over 20,000 and up to a maximum of 25,000 endpoints. Therefore, capacity on the Device Adapter cluster remains unused.
As the cluster allows up to 25,000 endpoints, you can use the following remaining capacity for UNIStim endpoints:
In an MGC-only environment, you can add up to 4,520 UNIStim endpoints if all MGCs and endpoints on the MGCs are defined.
In an MGXPEC-only environment, you can add up to 8,616 UNIStim endpoints if all MGXPECs and endpoints on the MGXPECs are defined.
