Avaya 5400 Series Digital Telephones — End-of-Life & EOSL Dates
Avaya 5400 Series Digital Telephones. End-of-sale and support dates below are taken from Avaya's own End of Sale Notice, linked for verification. Avaya's "Targeted End of Services Support" milestone is used as the last date of support.
Every tracked Avaya 5400 Series Digital Telephones SKU group is past Avaya end of service life (last group Aug 2017). Units in production should be treated as unsupported. For past-EOSL units, weigh third-party maintenance, spares, replacement, or a documented run-to-failure.
End of sale
Aug 2011
Last date of support
Aug 2017
Part numbers
3
108
months past last support
Why this score
- Past end of service life — 108 months ago
- Vendor-published date, source-linked
- Category: ip / digital telephone
Support-lifecycle timing and source confidence only. Higher means more runway. It is not a risk, safety or compliance rating. How it is calculated
Part numbers in this family
All 3 share the dates above. Find your exact part to confirm.
| Part number | Description | End of sale | Last support | Status |
|---|---|---|---|---|
| 700381981 | IPO 5402 DCP TELSET GRY RHS | Aug 2011 | Aug 2017 | Past support |
| 700382005 | IPO 5410 DCP TELSET GRY RHS | Aug 2011 | Aug 2017 | Past support |
| 700381627 | IPO 5420 DCP TELSET DARK GRY RHS | Aug 2011 | Aug 2017 | Past support |
Options from here
The Avaya 5400 Series Digital Telephones is past Avaya end of service life. These are the paths teams take from here:
Keep it in production past the OEM cutoff with an independent maintainer.
Buy spares now, while units still circulate on the secondary market.
It is unsupported today. Set a migration timeline and budget.
Low-criticality role: document the risk, harden backups, retire on your terms.
Independent and informational. EOSL.ai sells no hardware and no maintenance, and lists no paid placements. Third-party maintenance keeps unsupported gear in production past the OEM cutoff; whether it fits depends on the role the asset plays.
Avaya 5400 Series Digital Telephones — questions
Is the Avaya 5400 Series Digital Telephones end of life?
Yes. Every tracked 5400 Series Digital Telephones SKU group is past its last date of support.
What is the last date of support for the 5400 Series Digital Telephones?
Aug 2017, per the Avaya end-of-sale bulletin.
Where do these 5400 Series Digital Telephones dates come from?
Every end-of-sale and end-of-service-life date on this page links to the official Avaya end-of-sale bulletin it was taken from.