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NFON SIP Trunk Logo

Cloud-based telephony and VoIP solution.

Table of Contents

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NFON SIP Trunk - 2026 Pricing, Features, Reviews & Alternatives

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NFON SIP Trunk overview

What is NFON SIP Trunk?

NFON SIP Trunk is a cloud-based VoIP telephony solution that provides flexibility and seamless integration. It enables businesses to connect multiple telephone systems and PBX endpoints, including Microsoft Teams, into a single trunk set.

The solution enhances security with call blocking and fraud detection while ensuring high availability through load balancing via a secondary PBX. It also offers flexible number routing without the need for new number blocks, self-service management portals for easy configuration, integration with Genesys Cloud and Microsoft Teams, and full telephony capabilities to meet the demands of modern businesses.

Key benefits of using NFON SIP Trunk

NFON SIP Trunk offers Europe-wide scalability with a single product, unlocking exclusive cloud solutions unavailable with other SIP trunks. Seamlessly integrate telephony and unified communications with Microsoft Teams*, while remaining connected to on-premise systems. Benefit from cost-efficiency, favourable tariffs, and streamlined number management, allowing phone numbers from one block to be assigned across multiple PBX systems. Enjoy an optimised admin portal, support for several PBX configurations under one trunk set, and certification with leading PBX vendors—delivering a flexible, reliable, and modern communication solution for businesses.

• Europe-wide scalability
• Access exclusive cloud solutions
• Remain connected with on-premise systems
• Seamless integration of telephony and unified communications through Microsoft Teams* integration.
• Several telephone systems can be configured under one trunk set.
• Assign phone numbers easily from one number block to different PBX systems with number assignment.
• Optimised SIP trunk admin portal
• Certified through several PBX vendors.

Starting price

Free

Alternatives

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NFON SIP Trunk’s user interface

Ease of use rating:

NFON SIP Trunk reviews

Overall rating

5.0

/5

4

Positive reviews

100

%

Rating breakdown
  • Value for money
  • Ease of use
  • Features
  • Customer support
  • Likelihood to recommend9.5/10
Rating distribution

5

4

3

2

1

4

0

0

0

0

NFON SIP Trunk's key features

Most critical features, based on insights from NFON SIP Trunk users:

IVR
VoIP connection
Online voice transmission
Call center management
Call recording
Text to speech

All NFON SIP Trunk features

Features rating:

Automatic call distribution
Call conferencing
Multi-Channel communication
Reporting & statistics
Call routing
CRM
Fax Management
For cloud phone systems
Interaction tracking
Mobile access
Queue management
Real-Time monitoring
Reporting/Analytics
SIP trunking
Third-Party integrations
Unified communications
Video conferencing
Voice mail
VoIP
Contact database
Conferencing
Computer telephony integration
Caller id
Call transfer
Call tracking
Call screening
Call reporting
Call monitoring
Call list management
Call disposition
API
Activity tracking
Activity dashboard
Access controls/permissions

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NFON SIP Trunk pricing

Value for money rating:

Pricing plans

Pricing details:

Free plan
Free trial
Subscription

SIP Trunk Flexx Basic

Empty state illustration for "No pricing info"

No pricing info

Features included:

  • Detect fraud
  • Block calls
  • Integrate PSTN connectivity
  • Microsoft Teams* Integration
  • Backup systems
  • Self-service portals
  • Conference services

SIP Trunk Flexx Premium

Empty state illustration for "No pricing info"

No pricing info

Features included:

  • Detect fraud
  • Block calls
  • Integrate PSTN connectivity
  • Microsoft Teams* Integration
  • Self-service hub
  • Backup systems
  • Self-service portals
  • Conference services

User opinions about NFON SIP Trunk price and value

Value for money rating:

NFON SIP Trunk integrations (9)

Integrations rated by users

We looked at 4 user reviews to identify which products are mentioned as NFON SIP Trunk integrations and how users feel about them.

Integration rating: 5.0 (1)

NFON SIP Trunk support options

Typical customers

Freelancers
Small businesses
Mid size businesses
Large enterprises

Platforms supported

Web
Android
iPhone/iPad

Support options

Email/Help Desk
FAQs/Forum
Knowledge Base
Phone Support
24/7 (Live rep)

NFON SIP Trunk FAQs

Q. What type of pricing plans does NFON SIP Trunk offer?

NFON SIP Trunk has the following pricing plans:
Pricing model: Subscription
Free Trial: Available | (No Credit Card required)

These products have better value for money


Q. Who are the typical users of NFON SIP Trunk?

NFON SIP Trunk has the following typical customers:
Large Enterprises, Mid Size Business, Small Business


Q. What languages does NFON SIP Trunk support?

NFON SIP Trunk supports the following languages:
Bosnian (Cyrillic), Czech, Dutch, English, French, German, Hungarian, Italian, Polish, Portuguese, Romanian, Slovak, Slovenian, Spanish


Q. Does NFON SIP Trunk offer an API?

Yes, NFON SIP Trunk has an API available for use.


Q. What other apps does NFON SIP Trunk integrate with?

NFON SIP Trunk integrates with the following applications:
Zoho CRM, Pipedrive, Microsoft Teams, SugarCRM, Copper, Redtail CRM, Salesforce Platform, HubSpot CRM, Shopify


Q. What level of support does NFON SIP Trunk offer?

NFON SIP Trunk offers the following support options:
Email/Help Desk, FAQs/Forum, Knowledge Base, Phone Support, 24/7 (Live rep)

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