What are the top rated call center tools for tech startups?

Hey G2! I want to start a discussion with this community to identify the best call center tools for tech startups. See my entire list below and let me know your thoughts.

I’m especially interested in platforms that are easy to deploy, integrate with existing CRMs, and flexible enough to support growing teams and product-led support strategies.

Here are some of the top-rated options from G2’s Contact Center Software category:

• Salesforce Service Cloud: Robust call center and support features built on Salesforce CRM. Ideal for startups already scaling with Salesforce across sales and service.
• Nextiva: All-in-one communications platform with built-in voice, chat, and contact center capabilities. Easy to manage and cost-effective for smaller teams.
• Talkdesk: Cloud-native platform with AI support, call routing, and CRM integrations. Flexible enough for early-stage startups to grow into.
• Aircall: VoIP-based solution built for startups and SMBs. Quick setup, intuitive interface, and strong integrations with tools like HubSpot and Zendesk.
• CloudTalk: Lightweight, scalable call center software with real-time analytics and automation features. Designed for remote-friendly tech teams.

Which of these call center platforms has helped your tech startup deliver better support or scale faster? Any wins or lessons learned that other early-stage teams should know?