Built for Small Business

Yeastar S20 is a stand-alone PBX system with an unrivalled range of features for business with less than 20 users. It’s built to be simple to use and powerful in production.

20 Users

10 Concurrent Calls

Up to 4 FXS/FXO/BRI Ports

Up to 1 GSM/3G/4G Channel

20 VoIP Trunks

Flexible Modular Design

Free Telephony Interfaces Combination

With Yeastar S-Series, all the telephony interfaces are modular and customizable, S20 support 2 onboard module slots to custom FXS, FXO, ISDN BRI, GSM/3G/4G

Benefit from 400+ Phone System Features

Incoming Call Features	AutoCLIP	Call Forwarding	Call Parking
	Call Pickup	Call Routing	Call Waiting
	Caller ID	Dial by Name	DID (Direct Inward Dialing)
	DND (Do Not Disturb)	Follow Me	Queue
	Ring Group	Time Conditions

Outgoing Call Features	Attended Transfer	BLF Support	Blind Transfer
	Callback	DOD (Direct Outward Dialing)	Emergency Number
	Music On Hold	Speed Dial

Business Features	Blacklist	Call Monitor	Call Recording
	Custom Prompts	DISA (Direct Inward System Access)	Distinctive Ringtone
	DNIS (Dialed Number Identification Service)	Gateway Provisioning	Intercom/Zone Intercom
	IVR (Interactive Voice Response)	Linkus Mobile Client	Linkus Desktop Client
	One Touch Recording	Paging/Zone Paging	Phone Provisioning
	PIN List	Skype Integration	Whitelist
	Mobility Extension	SIP Forking	Remote Management
	CRM Integration	User Portal

Collaboration Features	Conference	Instant Meeting on Linkus	Three-way Calling
	Video Calls	Linkus Cloud Service