---
title: "What softswitches and SIP platforms are compatible with Cloud Softphone?"
topic: "Compatibility"
updated: 2026-07-09
canonical: https://acrobits.net/resources/knowledge-base/cloud-softphone-compatibility/
summary: "Cloud Softphone connects to standards-compliant SIP servers, including BroadSoft, Metaswitch, NetSapiens, 3CX, Asterisk, and FreeSWITCH. Because it registers like a normal SIP endpoint, many deployments require no custom integration. If your platform handles standard SIP registration and call signaling, Cloud Softphone is a strong compatibility candidate."
---

# What softswitches and SIP platforms are compatible with Cloud Softphone?

> Cloud Softphone connects to standards-compliant SIP servers, including BroadSoft, Metaswitch, NetSapiens, 3CX, Asterisk, and FreeSWITCH. Because it registers like a normal SIP endpoint, many deployments require no custom integration. If your platform handles standard SIP registration and call signaling, Cloud Softphone is a strong compatibility candidate.

**Cloud Softphone** connects to standards-compliant **[SIP](/voip-glossary/sip/) servers**, including BroadSoft, Metaswitch, NetSapiens, 3CX, Asterisk, and FreeSWITCH. Because it registers like a normal SIP endpoint, many deployments require no custom integration. If your platform handles standard SIP registration and call signaling, Cloud Softphone is a strong compatibility candidate.

## Softswitch compatibility matrix

  
    
      Softswitch / Platform
      Type
      Status
      Notes
    
  
  
    **BroadSoft / Cisco BroadWorks**Hosted PBXFull supportNative BroadWorks extensions for XSI directories, call center queues, and visual voicemail.
    **Metaswitch**Hosted PBXFull supportNative Metaswitch extensions. Ideal for operators stabilizing the app layer during a backend transition.
    **NetSapiens**Hosted PBXFull supportPresence integration via standard SIP SUBSCRIBE/NOTIFY.
    **Cisco Unified CM**On-prem PBXSupportedStandard SIP trunk registration.
    **Mitel**On-prem / Cloud PBXSupportedStandard SIP deployment model.
    **Sangoma**On-prem PBXSupportedStandard SIP registration.
    **3CX**Software PBXSupportedStandard SIP deployment model.
    **Asterisk / FreePBX**Open-source PBXSupportedStandard SIP registration. Widely deployed in custom voice environments.
    **FreeSWITCH**Open-source PBXSupportedAlso relevant for SDK and custom-build contexts.
    **Scratel**SIP ServerLikely compatibleStandard SIP protocol suggests compatibility. Verify feature-level behavior before deploying.
  

**Not on the list?** If your platform speaks standard SIP, it is a strong compatibility candidate. Request a demo to confirm your environment.

## What compatible means in practice

Cloud Softphone connects to **[multiple softswitches](/blog/softphones/softswitch-agnostic-softphones/)**, so operators can use the branded app across vendor environments. Operators get three practical benefits:

  - **Migrate without a rebuild.** Operators can switch from BroadSoft to Metaswitch, or the reverse, without rebuilding the subscriber app.

  - **Standard SIP registration.** Many deployments launch without a custom integration project.

  - **Feature availability depends on the platform.** If your softswitch exposes transfer, presence, voicemail, or BLF through standard SIP workflows, Cloud Softphone surfaces those features in the app.

Onboarding scales across softswitches because [provisioning](/resources/knowledge-base/provision-softphone-hundreds-users/) can run through QR code, SMS link, web portal, or external API.

## Cross-platform support

Cloud Softphone deploys on **iOS**, **Android**, **Windows**, and **macOS** under a single branded service, so subscribers get a consistent experience across all four platforms.

{
  "@context": "https://schema.org",
  "@type": "FAQPage",
  "mainEntity": [
    {
      "@type": "Question",
      "name": "What softswitches and SIP platforms are compatible with Cloud Softphone?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Cloud Softphone connects to standards-compliant SIP servers, including BroadSoft, Metaswitch, NetSapiens, 3CX, Asterisk, and FreeSWITCH. Because it registers like a normal SIP endpoint, many deployments require no custom integration. If your platform handles standard SIP registration and call signaling, Cloud Softphone is a strong compatibility candidate."
      }
    }
  ]
}