Metaswitch Perimeta vs Zoom Phone Comparison: Reviews, Features, Pricing & Alternatives in 2026

Detailed side-by-side comparison to help you choose the right solution for your team

Updated Apr 2026 8 min read

Metaswitch Perimeta

0.0 (0 reviews)

Metaswitch Perimeta is a carrier-grade session border controller providing robust security, interoperability, and service assurance for high-performance Voice over IP and unified communications networks globally.

Starting at --
Free Trial NO FREE TRIAL
VS

Zoom Phone

0.0 (0 reviews)

Zoom Phone is a cloud-based business phone system that provides high-definition voice, enterprise-grade features, and seamless video integration to modernize your global communication and team collaboration.

Starting at $10/mo
Free Trial NO FREE TRIAL

Quick Comparison

Feature Metaswitch Perimeta Zoom Phone
Website metaswitch.com zoom.us
Pricing Model Custom Subscription
Starting Price Custom Pricing $10/month
FREE Trial ✘ No free trial ✘ No free trial
Free Plan ✘ No free plan ✘ No free plan
Product Demo ✓ Request demo here ✓ Request demo here
Deployment saas on-premise saas mobile desktop
Integrations Microsoft Teams AWS Microsoft Azure Google Cloud VMware OpenStack Red Hat OpenShift Oracle Cisco BroadSoft Salesforce Microsoft Teams Google Workspace Slack ServiceNow Zendesk HubSpot Five9 Genesys Oracle
Target Users mid-market enterprise small-business mid-market enterprise
Target Industries telecommunications government finance
Customer Count 0 0
Founded Year 1981 2011
Headquarters London, UK San Jose, USA

Overview

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Metaswitch Perimeta

Metaswitch Perimeta gives you a highly scalable, software-based session border controller (SBC) designed for modern IP communications. You can secure your network perimeter against signaling attacks and fraud while ensuring seamless interoperability between different VoIP protocols and vendor equipment. It handles complex media transcoding and signaling translation so your voice and video services remain clear and reliable across diverse network environments.

You can deploy the platform in cloud, virtualized, or hybrid environments to match your specific infrastructure needs. It helps you reduce operational complexity by providing deep visibility into network performance and call quality diagnostics. Whether you are migrating to an all-IP core or expanding your unified communications offerings, Perimeta provides the carrier-grade reliability required to maintain high-volume traffic without service interruptions.

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Zoom Phone

Zoom Phone is a modern cloud phone system built on the same reliable platform you already use for video meetings. It replaces your traditional desk phones and legacy PBX hardware with a flexible, software-based solution that works on your computer, smartphone, or compatible desk phone. You can manage all your business communications—voice, video, and chat—within a single, intuitive interface that eliminates the need to switch between different apps.

You can easily migrate your existing phone numbers or provision new ones across dozens of countries. The platform solves the headache of managing complex hardware by moving everything to the cloud, allowing your team to stay connected whether they are in the office or working remotely. It scales effortlessly from small startups to global enterprises, offering centralized management and robust security features to keep your business conversations private and professional.

Overview

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Metaswitch Perimeta Features

  • Security & Protection Protect your network from Distributed Denial of Service (DDoS) attacks and toll fraud with automated signaling rate limiting.
  • Protocol Interoperability Connect diverse SIP and H.323 devices effortlessly by translating mismatched signaling protocols in real-time for seamless communication.
  • Media Transcoding Convert between different audio and video codecs on the fly to ensure high-quality calls across different device types.
  • Cloud-Native Deployment Deploy your SBC as a virtualized function within AWS, Azure, or private clouds to scale capacity instantly as needed.
  • Service Assurance Monitor call quality and network health with integrated diagnostics that help you identify and resolve issues before users notice.
  • Admission Control Manage network congestion by prioritizing critical traffic and limiting session counts to prevent system overloads during peak times.
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Zoom Phone Features

  • Intelligent Call Routing. Set up automated attendants and call queues so your customers always reach the right person without manual transfers.
  • Seamless Elevation. Turn a standard phone call into a full Zoom video meeting with one click when you need to share your screen.
  • Global Connectivity. Provision local phone numbers in over 45 countries and territories to establish a local presence for your international customers.
  • Voicemail Transcription. Read your voicemail messages as text delivered to your inbox or app so you can stay productive in quiet environments.
  • Call Recording. Record and play back your important conversations or save them to the cloud for training and compliance purposes.
  • Shared Line Appearance. Assign multiple users to share a single phone line so your team can collaborate on answering incoming customer calls.

Pricing Comparison

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Metaswitch Perimeta Pricing

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Zoom Phone Pricing

US & Canada Metro
$10
  • Metered outbound calling
  • Unlimited internal calling
  • One local phone number
  • Mobile and desktop apps
  • Call recording and transcripts
  • SMS and MMS support

Pros & Cons

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Metaswitch Perimeta

Pros

  • Exceptional scalability for high-volume carrier environments
  • Flexible deployment options across various cloud platforms
  • Robust security features prevent signaling-based attacks
  • Advanced diagnostics simplify complex troubleshooting tasks

Cons

  • Significant technical expertise required for initial configuration
  • Documentation can be dense for non-specialist users
  • Custom pricing makes it inaccessible for small businesses
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Zoom Phone

Pros

  • Familiar interface reduces the need for employee training
  • Excellent voice quality even on lower bandwidth connections
  • Switching between mobile and desktop apps is effortless
  • Centralized admin portal simplifies managing global phone numbers

Cons

  • Advanced features require higher-tier paid subscriptions
  • SMS capabilities are currently limited in some regions
  • Initial setup of complex call flows takes time
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