Kamailio SIP Server vs. Zendesk Talk

Kamailio SIP Server is very well suited if you want to secure your main servers; it can perfectly act as a proxy server and a gateway to your main server. It also does load balancing and call transfers easily based on the configurations done.

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Zendesk Talk is a great partner that helps us in the customer care area by managing every type of contact with customers (both phone calls and emails). I know there is also the possibility to have integration with instant messaging apps (like messenger and WhatsApp but I have never used them in my experience). In my opinion, the best scenario for Zendesk Talk is represented by a context with a high amount of contacts/requests where a unique platform could be a help both on the external side (customers) and on the internal side (a lot of colleagues who are working in the same area and have to work in a coordinate way). For customers, they could benefit from tailor-made answers, also based on past contacts for the same topic, and avoid waiting times during phone calls, with an immediate follow-up. For internal work management, operators don't overlap in a single request, and even if the same operator is not available the one who manages the request later has complete visibility of the entire topic from the historical point of view. Last but not least, I think that Zendesk Talk helps a lot in the context in which the request's speed is a KPI to manage constantly.

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• Proxy server.
• Security Firewall.
• SIP to PSTN gateway.

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• Call recording is a nice feature! It is great for training purposes and for quality assurance.
• The metrics you get from Explore are a great insight into how the team is handling the call volumes.
• Zendesk Talk has met most of our needs. It can be a bit unreliable at times.

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• Interportability
• SIP conversions.

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• The lag on the phone is by far the most annoying thing with Zendesk talk due to the voice over IP.
• Using the Reporting feature in Zendesk has never been a walk in the park. We have to customize a lot of fields and when something doesn't seem to add up, it at times feels like pulling teeth to get to the final answer of what went wrong.

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Everything about it works, as I have previously detailed. Coming from different companies and using other tools like Twilio or Aircall, those are VOIP tools that are built to be plugged into other tools, Zendesk Talk is natively built into Zendesk and feels correct in the user experience of Zendesk

In our experience, we have had to go through many support people then ultimately getting frustrated enough to go directly to our point of contact who then doesn't always seem to be able to assist. We tend to get the support we need when it is escalated up to me and I reach out to our point of a contact person to express our frustration.

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As Kamailio SIP Server is an open source, the major impact is on cost; it's free to use compared to any other Softswitch or server in the market. You can also customize it to your need and use the features that you need, which is one of the major plus points for the Kamailio SIP Server. And one server is enough to handle thousands of calls simultaneously.

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Slack and Zoom phones cannot compare because they have no ticketing systems. Zendesk Talk was the only option we considered because we were already using Zendesk for our email ticketing with customer concerns. We then expanded to using Zendesk's chatbot and then the Zendesk Talk system to keep it all integrated and streamlined.

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• As its open source ROI is excellent.

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• We were able to reduce global headcount by 20% in our call centers.
• Allowing customers to leave voicemails creates the personal touch needed and really increases our customer connectivity score. We saw increases in our CSAT scores after the implementation of this solution.
• Call handling time and case reopen rates both decreased. Y/y it decreased 18% and 60%.

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A de minimis incentive was given to thank the reviewer for their time. The incentive was not used to bias or drive a particular response, nor was the incentive contingent on a positive endorsement. More Info