For locations where a desk phone is required but no Ethernet cable is nearby, Yealink offers an option to use it’s reliable and secure DECT wireless extender or you can use your Wi-Fi if you prefer for quick and easy desk phone placement in places where no Ethernet cable is easily accessible — an ideal solution for installations that simply cannot run new Cat6 cabling everywhere.
Text output from the audio can be placed within voicemail notification emails to customers, as part of a web-based user interface, or even used as part of an API so customers can automate receipt of transcripts as part of custom applications.

The reason being it can either push your prospects away from you or retain them for longer.
The auto attendant feature automatically redirects an incoming call to an extension without the need of a telephone operator, while audio conferencing lets multiple users join a single call. With ring groups, you can share the distribution of incoming calls among group members. As one of the best virtual phone service solutions, VirtualPBX provides ACD queues, an advanced version of ring groups, among its features. Given that it distributes calls to a group of users, this functionality makes managing a call center with large volumes of inbound calls much easier.