---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-22-111537"
form_type: "8-K"
ticker: "RBBN"
cik: "0001708055"
company_name: "Ribbon Communications Inc."
filed_at: "2022-10-26T23:59:59+00:00"
generated_at: "2026-06-23T00:53:10.003773+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Ribbon Q3 revenue $207M; IP Optical revenue up 20%, GAAP EPS -$0.12

## Summary
- Revenue $207M, flat YoY ($210M); IP Optical Networks revenue up 20% with bookings-to-revenue ratio of 1.45x.
- GAAP net loss $18M ($0.12/sh) compared to loss $59M ($0.40/sh) in Q3 2021; non-GAAP net income $4M ($0.02/sh).
- Adjusted EBITDA $23M, down from $32M in prior year; Q4 guidance cautious due to macro headwinds.
- Major 5G Cell Site Router win in India validates IP Routing strategy; backlog entering Q4 increased.

## SEC filing metadata
- accession: 0001104659-22-111537
- form_type: 8-K
- ticker: RBBN
- cik: 0001708055
- company_name: Ribbon Communications Inc.
- filed_at: 2022-10-26T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1708055/000110465922111537/0001104659-22-111537-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1708055/000110465922111537/tm2228948d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-22-111537
- JSON: https://secwatch.observer/filing/0001104659-22-111537.json
- Plain text: https://secwatch.observer/filing/0001104659-22-111537.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.