No. 03 · The observatory
Telecom billing and BSS
A 2006 billing cutover broke collections. The settlement cost $52 million.
- Status
- Open
- Rank
- 5 of 35 in the atlas
- Scored
- 2026-10-05
- Report
- Back to the study

- Rank
- 5 of 35, published score 66.5
- Scoring date
- 2026-10-05, reported 2026-10-09
- Buyable
- $18.6B buyable midpoint, $13.2B to $26.3B recorded legacy spend
- Factors
- size 4, pain 3.5, AI fit 4, lock-in 3.5, crowding 1.7
- Coverage
- none recorded; AI-native challenger recorded
Telecom billing and BSS
Ranked 5 of 35 at 66.5 out of 100.
Telecom billing, charging and customer-care cores.
What the evidence says
The checked evidence corroborates telecom-BSS pain on both sides. A buyer filing documents back-office functionality gaps at a 2006 cutover. A vendor release documents an 18-day charging replacement for 20 million subscribers. The first is a buyer disclosure; the second is vendor marketing.
Providers
The card checked three incumbents: Amdocs, Ericsson and CSG. Amdocs reports about 400 customers globally. Ericsson reports over 3 billion subscribers supported on its portfolio. CSG’s figure is a historical 2005 processed-end-user count. The metrics are incomparable. No ranking is supported.
Totogi is the recorded challenger. Its release reports a completed go-live for Zain Sudan in 18 days. Its AI-native status is recorded as unknown.
Sources:
- Zain Sudan goes live with Totogi's Charging-as-a-Service
- Amdocs company overview
- Customer Experience Suite for agent-driven BSS and OSS Transformation
- Charging and Billing solutions
- CSG FY2005 Form 10-K
- Billing
The pain
Hawaiian Telcom’s cutover systems lacked basic functionality. Billings, collections and order flow-through all broke down.
Remediation required third-party call centers and manual processing. The dispute settled for $52 million in February 2007.
Sources:
- Hawaiian Telcom FY2007 Form 10-K
- Zain Sudan goes live with Totogi's Charging-as-a-Service
- Transforming Crisis Response
- Customer Experience Suite for agent-driven BSS and OSS Transformation
- Billing
- Charging and Billing solutions
Events
Hawaiian Telcom’s cutover failed on April 1, 2006. The filing documents continued issues despite remediation.
Zain Sudan replaced an unnamed incumbent charger in 18 days. The account is Totogi’s own release; the incumbent stays unnamed.
Sources:
- Hawaiian Telcom FY2007 Form 10-K
- Zain Sudan goes live with Totogi's Charging-as-a-Service
- Transforming Crisis Response
Limits
The Hawaiian figures are one buyer’s disclosed account. The Zain migration is vendor-narrated. Incumbent metrics span different units, scopes and 20 years.
Sources:
- Amdocs company overview
- Customer Experience Suite for agent-driven BSS and OSS Transformation
- Charging and Billing solutions
- CSG FY2005 Form 10-K
- Zain Sudan goes live with Totogi's Charging-as-a-Service
- Transforming Crisis Response
- Hawaiian Telcom FY2007 Form 10-K
In their words
lacked significant functionality.
Source: Hawaiian Telcom, corporate Form 10-K buyer disclosure, undated
manual processing services in order to operate our business.
Source: Hawaiian Telcom, corporate Form 10-K buyer disclosure, undated
Relevant workflows
6 recorded openings. A missing mapped round is a coverage gap, not an empty field.
| Workflow | Index | Labour | AI use | Core | Mapped |
|---|---|---|---|---|---|
| Bill disputes, credits and adjustments telecom-bss:wf_dispute | 447 | $25.4B | 60% | non-core | 0 |
| Order capture, activation, number porting and order fallout telecom-bss:wf_order | 386 | $63.9B | 11% | non-core | 0 |
| Customer care for bills, plans, outages and cancellations telecom-bss:wf_care | 335 | $66.5B | 80% | non-core | 5 |
| Collections, payment arrangements and suspend/restore telecom-bss:wf_collections | 313 | $6.2B | 32% | non-core | 0 |
| Install and repair dispatch and work-order closure telecom-bss:wf_field | 255 | $9.1B | 13% | non-core | 0 |
| Bill-cycle operations, rating and price-plan configuration telecom-bss:wf_billrun_catalog | -340 | $32.1B | 19% | touches core | 1 |
Recorded providers
Provider claims carry their recorded kind and citations. Undisclosed figures stay undisclosed.
| Provider | Products | Parent | Claims |
|---|---|---|---|
| Amdocs | Customer Experience Suite (CES26), Freestyle Billing, Amdocs Charging | unknown | cl-tel-m-amdocs-400 (observation) source |
| Ericsson | Ericsson Billing (evolution of BSCS iX), Ericsson charging and billing portfolio | unknown | cl-tel-m-ericsson-3b (observation) source |
| CSG Systems International | Advanced Convergent Platform (ACP) and related customer-care/billing services | unknown | cl-tel-rel-csg-systems-international (inference) source cl-tel-inc-csg-systems-international (inference) source cl-tel-m-csg-452 (observation) source |
Recorded inputs
Raw scored inputs exactly as frozen. Values and units keep their recorded definitions.
| Factor | Input | Value | Count | Score |
|---|---|---|---|---|
| pain | keep_alive_share | unavailable | 3 | unavailable |
| pain | backend_failure_share | 0.375 | 200 | 5 |
| pain | app_rating_inverted | 4.086525454545455 | 33 | 2 |
| pain | failed_rate | 0.5833333333333334 | 12 | 4 |
| pain | s3_grade | weak | 1 | 3 |
| pain | mean | 3.5 | unavailable | 3.5 |
| lockin | award_duration_months | unavailable | 0 | unavailable |
| lockin | noncompetitive_share | unavailable | 0 | unavailable |
| lockin | replacement_duration_months | 36 | 11 | 2 |
| lockin | regulator_approval | true | 1 | 5 |
| lockin | mean | 3.5 | unavailable | 3.5 |
| crowding | ai_native_traction | 3 | 3 | 3 |
| crowding | funding_per_billion | 2148861.237401014 | 1 | 1 |
| crowding | yc_2024_plus | 1 | 1 | 1 |
| crowding | mean | 1.6666666666666667 | unavailable | 1.7 |
| size | users_midpoint | 1594 | unavailable | unavailable |
| size | buyers_mid | 2997.5 | unavailable | unavailable |
| size | midpoint | 18614510468.986286 | unavailable | unavailable |
| ai_fit | mean | 3.577727272727273 | 12 | 4 |
| ai_fit | unanswered | unavailable | 0 | unavailable |
Recorded sources
27 recorded citations. Each link lands on the sources catalogue.
| Source | Locator |
|---|---|
| Amdocs company overview | original return turn112search5; Amdocs' Impact block (~400 customers globally) and agentic/AI-first context |
| Customer Experience Suite for agent-driven BSS and OSS Transformation | original return turn237search1; CES26 portfolio, Freestyle Billing and Amdocs Charging paragraphs |
| Amdocs company overview | Amdocs' Impact block in returned search text |
| Billing | original return turn112search1; Ericsson Billing as evolution of widely-installed BSCS iX; open componentized architecture |
| Charging and Billing solutions | original return turn112search3; 'We already support over 3 billion subscribers worldwide' vendor paragraph, distinct from the commissioned Appledore quotation |
| Charging and Billing solutions | vendor subscriber-support paragraph and commissioned Appledore caption/quotation in returned search text (turn112search3) |
| CSG FY2005 Form 10-K | original return turn146view0 L21, L223-238; fiscal year ended December 31, 2005; ACP role; processed-customer metric |
| CSG FY2005 Form 10-K | business-strategy paragraph (original return L223-238) and fiscal header (L21) |
| Zain Sudan goes live with Totogi's Charging-as-a-Service | release body (original return turn112search0) |
| Zain Sudan goes live with Totogi's Charging-as-a-Service | release dateline and dated first paragraph announcing the successful go-live (original return turn112search0) |
| Customer Experience Suite for agent-driven BSS and OSS Transformation | CES26/Freestyle/Charging paragraphs in returned search text |
| Charging and Billing solutions | vendor paragraph in returned search text |
| CSG FY2005 Form 10-K | business-strategy paragraph (original return L238) |
| Hawaiian Telcom FY2007 Form 10-K | back-office cutover paragraph (original return L554-555) |
| Hawaiian Telcom FY2007 Form 10-K | remediation and settlement paragraphs (original return L556-559) |
| Transforming Crisis Response | returned snippet (original return turn112search10) |
| Hawaiian Telcom FY2007 Form 10-K | original return L554-569 |
| Customer Experience Suite for agent-driven BSS and OSS Transformation | CES26 AI-agents paragraph in returned search text |
| Billing | BSCS-evolution and componentized-architecture paragraphs in returned search text (turn112search1) |
| Charging and Billing solutions | cloud-native charging/billing paragraphs in returned search text (turn112search3) |
| Hawaiian Telcom FY2007 Form 10-K | original return L545-569 and L650-657 (cutover, manual processing, settlement, transition, remediation; L650-657 bound the at-and-after-cutover functionality scope) |
| Hawaiian Telcom FY2007 Form 10-K | |
| Amdocs company overview | |
| Customer Experience Suite for agent-driven BSS and OSS Transformation | |
| Charging and Billing solutions | |
| Billing | |
| CSG FY2005 Form 10-K |
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