OnSIP vs Vodia PBX

OnSIP is a business phone system with multiple business numbers, an auto attendant, custom call routing, and voicemail transcription. It provides desktop and mobile apps as well as a browser softphone, available in Chrome, Firefox, and Opera. Apps are listed for Windows, Mac, iPhone, and Android. The free plan supports up to 100 users and unlimited extensions, and includes Zendesk, HubSpot, and Odoo integrations. Free SIP accounts cannot dial regular phone numbers; paid plans offer a SIP-to-PSTN gateway. Paid plans start at $18.95/user/mo, and a 30-day trial is listed. Month-to-month contracts are available, with payment based on users and features. A SIP address can have active registrations on up to 10 devices. Softphone apps provide end-to-end encryption, and encryption is also available for desk phones. When both parties use the OnSIP app, professional call-link media is encrypted using DTLS SRTP. The Admin Portal supports setup, real-time feature edits, payment and contact management, and invoices.

Vodia PBX is a SIP private branch exchange that connects telephone trunks with user extensions. It handles call transfers, conferences, incoming queues, hunt groups, paging and parked calls, alongside auto attendants and advanced call routing. Call-center tools include agent groups, queue login and logout, service-level measurements, callbacks and outbound dialing lists. The system supports multiple business numbers and voicemail transcription. Vodia describes JavaScript-based voice agents that integrate with OpenAI, ElevenLabs and other AI platforms, and lists integrations including Microsoft 365, Salesforce, HubSpot, Zoho, Cliniko and Cloudbeds. Calls can be encrypted with TLS, SRTP and ZRTP; the product overview also describes automatic intrusion detection. Deployment options include cloud, on-premise and hybrid environments. Users can access a browser client or native Windows, Android and iOS apps; listed platforms also include Linux, macOS and API access. Pricing is on request, with a 60-day trial. Prepaid licenses have fixed extension bundles, while usage-based licensing has no predefined extension limit.