Specification sheet · Global Numbers & DIDs
Toll-Free & ITFS Numbers
National toll-free, international toll-free (ITFS) and UIFN numbers that let customers reach you free from 100+ countries - with mobile accessibility, payphone handling and contact-centre-grade routing.
National toll-free, ITFS and UIFN numbers in 100+ countries with SIP delivery, mobile accessibility, payphone surcharge handling and contact-centre routing.
- Countries with toll-free access
- 100+
- Formats: national, ITFS, UIFN
- 3
- NOC monitoring inbound routes
- 24×7
At a glance
- National toll-free, ITFS and UIFN (+800) formats
- Reachable from 100+ countries; mobile accessibility shown per market
- SIP delivery to any contact centre or PBX worldwide
- Origin- and time-based routing; DNIS pass-through
- Payphone and mobile surcharges itemised transparently
- High-capacity trunks for campaign and seasonal peaks
- Vanity toll-free numbers where available
- Port existing toll-free numbers, including US RespOrg changes
Typical use cases
- 01Customer service contact centres
- 02Sales and order lines
- 03Airlines, hotels and travel
- 04Banking and insurance
- 05Software and technology vendors
Technical & commercial specifications
| Formats | National toll-free, ITFS (per country), UIFN (+800) |
|---|---|
| Coverage | Reachable from 100+ countries; accessibility published per market |
| Delivery | SIP over UDP/TCP/TLS, SRTP; DNIS and origin in headers |
| Routing | Origin, time-of-day, percentage split, DNIS, failover to PSTN |
| Capacity | Up to 1,000+ concurrent channels per number; burst on request |
| Surcharges | Mobile and payphone origination itemised per country |
| Porting | US RespOrg changes; toll-free port-in in UK, EU, APAC and more |
| Billing | Monthly rental + per-minute inbound by origin type; USD/EUR/GBP/INR |
| Support | 24×7 NOC; P1 response ≤ 15 min; named account manager |
Talk to Dollu about Toll-Free & ITFS
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/numbers/toll-free-numbers
Contact: https://dollu.com/contact?service=toll-free-numbers