During phased migration, migrated users can use Aura's centralized SIP trunks for PSTN access or keep using CS 1000 TDM DID trunks, with vacant number routing on CS 1000 sending calls on to Aura.

Checked 2026-10-14

Vendor
Avaya
Product
Avaya Device Adapter Snap-in
Subsystem
dial plan coexistence
Deployment
on-premises
Region
not restricted
Release range
10.1.x
Checked
2026-10-14

Sources

Cite this note

APA

WarmTransfer. (2026, October 14). Migrating from Avaya CS1000: source note avaya-cs1000-migration-phased-pstn-options. WarmTransfer. https://warmtransfer.net/knowledge/claims/avaya-cs1000-migration-phased-pstn-options

BibTeX

@misc{warmtransfer-claim-avaya-cs1000-migration-phased-pstn-options,
  title  = {Migrating from Avaya CS1000: source note avaya-cs1000-migration-phased-pstn-options},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/avaya-cs1000-migration-phased-pstn-options},
  note   = {Source note avaya-cs1000-migration-phased-pstn-options, checked 2026-10-14}
}

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