VoIP: best apps and software (page 3)
VoIP providers deliver business phone service over the internet, with numbers, extensions, call routing, and voicemail.

KrosAI
KrosAI provides phone infrastructure to run AI voice agents over local numbers and languages, handling number provisioning, call routing, billing, and call visibility for phone-based workflows.

Dialbox
AI receptionist for Canadian businesses that answers calls, takes messages, books appointments, and turns missed calls into leads; runs 24/7 and is quick to set up.

Rounded
Automates business phone calls with AI voice agents that handle appointments, support, lead qualification, integrate with existing systems, and run 24/7 without coding.

iCallify
AI-powered VoIP and call center app for managing inbound, outbound, and blended campaigns, with tools for team collaboration and customer communication.

Dial.Plus
AI phone system that answers calls and messages using customizable voice agents, business knowledge, and routing tools for customer support, inquiries, and lead qualification.

ASTPP
Open-source VoIP billing and telephony platform for managing customers, resellers, rates, routing, invoicing, SIP trunks, DIDs, and Class 4/5 softswitch services.

EVOX CloudTalk
Cloud PBX and business phone system for calls on mobile, desktop, and IP phones, with online management, extensions, call handling, and multi-location support.

FieldLine
Phone system for home-services teams that assigns numbers to technicians and channels, forwards calls, and returns recordings, transcripts, summaries, and lead cards.