Kolmisoft M4 SBC Discount - Up to 20% off

M4 SBC is a Class 4 Softswitch that helps telecommunication service providers automate VoIP billing, routing, and invoicing processes.

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What is Kolmisoft M4 SBC?


Kolmisoft M4 SBC is a Class 4 softswitch designed for telecommunication service providers, combining session border control with powerful billing and routing capabilities. It supports SIP trunking, call origination and termination, wholesale transit, A–Z routing, and call center traffic selling. Key features include in-built billing and invoicing, intelligent routing, DID management, transcoding, and detailed reporting. The platform offers multi‑currency support, online invoicing, invoice history, and financial projections. An API enables integrations with external systems, while robust monitoring helps track traffic quality and performance. M4 SBC focuses on automating core voice business operations to help providers scale efficiently and profitably.

  1. Class 4 softswitch for carrier-grade voice
  2. In-built billing and automated invoicing
  3. Intelligent routing with advanced rate management
  4. DID number management for providers/resellers
  5. Integrated transcoding for flexible codec switching
  6. API integrations for automated operations/workflows

Eligibility


Number of Seats/Users: Kolmisoft M4 SBC offers discounts based on the number of users or seats. A higher volume typically leads to a better discount structure, especially for enterprise-level usage.

Commitment to a Long-Term Contract: Discounts are often provided to companies that commit to using the service for a longer period (e.g., 1-year or 3-year contracts). A longer commitment shows Kolmisoft M4 SBC that the company is serious and willing to invest in the platform long-term.

No Active Discounts: Companies that are not already receiving other active discounts may have a better chance of qualifying for additional discounts from Kolmisoft M4 SBC. Kolmisoft M4 SBC reserves discounts for new customers or those not currently under promotional pricing.

Volume or Usage Commitment: Kolmisoft M4 SBC offers discounts if you agree to a minimum amount of usage or transaction volume. This could be based on data storage, transactions, or other metrics tied to how much you will use the platform.

Enterprise-Level Negotiation: Companies that qualify as “enterprise” due to their size or complexity (e.g., having large teams, multiple departments, or geographical presence) may be eligible for additional discounts from Kolmisoft M4 SBC. Such companies are often in a position to negotiate for better pricing.

Early Renewal or Prepayment: Kolmisoft M4 SBC often offers discounts if you renew early or prepay for the entire contract period. This is a common approach to securing a lower price.

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Kolmisoft M4 SBC - Up to 20% off

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Reviews


Here at Spendbase, our internal data shows that Kolmisoft M4 SBC is seen by Spendbase clients as a solid “workhorse” platform for voice business growth, especially for providers focused on SIP trunking, wholesale transit, and call center traffic.

From what our clients share, the main positives cluster around:

  • Strong all‑in‑one capability
  • Class 4 softswitch, billing, routing, DID management, and transcoding in one place
  • Reduces need for multiple separate tools and cuts integration overhead
  • Helps streamline workflows for call origination and termination

  • Automation and revenue control

  • Automated billing, rating, and invoicing are repeatedly named as key advantages
  • Intelligent routing and A‑Z rate management help protect margins
  • Reporting is considered detailed enough for both finance and technical teams

  • Flexibility for different business models

  • SIP trunking, wholesale voice, and call center traffic can all run on the same stack
  • Easy to spin up new routes and products when expanding into new geographies

Our internal data also highlights several areas Spendbase clients ask us about most often:

  • Learning curve and usability
  • The platform is powerful but can feel complex to new teams
  • Some clients mention that initial configuration and understanding all the routing/billing options takes time
  • Once set up, daily operations become more routine and predictable

  • Support and documentation

  • Clients appreciate responsive support when engaged, especially on routing and billing logic
  • A recurring wish is for even clearer, more step‑by‑step documentation and best‑practice guides

  • Integration and API use

  • The API is valued for connecting to CRMs, BI tools, and external billing/reporting systems
  • More technical teams are happy, while less technical teams sometimes rely heavily on vendor or partner help for advanced integrations

In short, our Spendbase clients see Kolmisoft M4 SBC as a cost‑effective, feature‑rich switch and billing solution that pays off best when you’re ready to invest in a proper setup phase and leverage automation across routing, billing, and reporting.

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Beyond discounts, you may qualify for up to $100K in AWS credits.

FAQ


1. What types of discounts do you offer for Kolmisoft M4 SBC?

We provide volume-based, term-commitment, and migration discounts, plus occasional seasonal promotions tailored to your M4 SBC traffic and capacity needs.

2. How does the M4 SBC discount structure work?

Your discount is mainly based on concurrent call capacity, contract length, selected add-ons, and hosting model, rather than on traffic volume or number of customers.

3. Do you offer discounts if we migrate from another SBC platform?

Yes, we offer migration incentives and onboarding credits for customers moving from other SBCs, helping offset implementation and initial licensing costs.

4. Can we get a lower price with a longer M4 SBC contract?

Longer subscription terms typically qualify for higher percentage discounts on recurring M4 SBC fees compared to short-term or month-to-month agreements.

5. Are there special Kolmisoft M4 SBC discounts for startups or small providers?

We have tailored pricing for startups and smaller VoIP providers, with reduced entry-level capacity and discounted rates to match early-stage budgets.

6. Do you run promo codes or limited-time offers for M4 SBC?

From time to time we launch promo codes and short-term campaigns. Contact our sales team to check current promotions for your region.

7. Can M4 SBC discounts be combined, for example volume and migration offers?

Certain discounts can be combined, while others are mutually exclusive. We structure the offer to give you the maximum effective price reduction.

8. Does paying annually in advance give an extra discount on M4 SBC?

Yes, annual or multi-year upfront payments often receive additional savings compared to monthly billing, improving your overall total cost of ownership.

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