Specification sheet · Voice & Wholesale Carrier Services
Voice Quality Management
Continuous ASR, ACD, PDD, MOS and CLI measurement across every route and trunk, active route testing, SLA reporting and proactive alerts - so quality problems are found by us before they are found by your customers.
Managed voice quality: passive KPI monitoring on every call, active route and CLI testing in 60+ countries, SLA dashboards, alerting and 24×7 NOC root-cause support.
- KPI sampling interval
- 5 min
- Countries with test numbers
- 60+
- NOC route watch
- 24×7
At a glance
- ASR, ACD, PDD, NER, MOS, jitter and packet loss on every call
- Scheduled active test calls with audio capture and CLI verification
- Test numbers in 60+ countries, fixed and mobile
- Per-destination and per-trunk thresholds with multi-channel alerts
- Monthly SLA reports: achieved versus committed, per route
- Root-cause workflow with upstream carriers run by the 24×7 NOC
- Findings feed routing so traffic leaves degraded routes automatically
- API and SFTP delivery of KPIs, test results and reports
Typical use cases
- 01Wholesale carriers
- 02Contact centres
- 03UCaaS and CPaaS providers
- 04Enterprises with SIP trunks
- 05Regulators and audit teams
Technical & commercial specifications
| Passive KPIs | ASR, ACD, PDD, NER, SIP response codes, CPS, packet loss, jitter, latency, MOS |
|---|---|
| Sampling | Every 5 minutes per route and trunk; raw per-call data retained 90 days |
| Active testing | Test numbers in 60+ countries; scheduled or on-demand; audio capture |
| CLI checks | Presented versus sent CLI per route; substitution and stripping detection |
| Alerting | Email, webhook, SMS, portal; per-destination and per-trunk thresholds |
| Reporting | Monthly SLA reports; on-demand exports; incident annotations |
| Retention | Aggregated KPIs 24 months; test recordings 30 days |
| Integration | REST API, webhooks, SFTP; BI and switch-vendor export formats |
| Availability | Included with committed-volume services; standalone subscription available |
| Support | 24×7 NOC route watch; P1 response ≤ 15 min; monthly quality review |
Talk to Dollu about Voice Quality
Send us your destinations, volumes, sites or use case and we will return a proposal, pricing and a technical plan within one business day. Test credentials and the full service description and SLA document are available on request.
- Sales
- [email protected]
- Phone
- +91 777-500-2222
- Web
- dollu.com
- NOC
- [email protected] · 24×7
Dollu Ltd · 2403A, Iconic Corenthum, Sector 62, Noida 201301, India. This sheet summarises the standard service; specifications may vary by country and are confirmed in the service order.
Online version: https://dollu.com/services/voice/voice-quality-management
Contact: https://dollu.com/contact?service=voice-quality-management