S20 - Yeastar IP PBX, up to 4 ports, 20 users, 10 simultaneous calls

IP PBX for 20 users and 10 simultaneous calls.

The Yeastar S PBXs are based on the popular open-source Asterisk 13, which brings increased stability, security and a number of new features over the myPBX range, such as the ability for multiple flap registration.

The Yeastar PBX S20 is the base model of the new "S" series of PBXs. It is a modular PBX, so it is possible to expand the number of its ports by inserting additional modules.

The PBX can use both SIP/IAX trunks for connecting to VoIP operators and individual SIP accounts usually used for connecting VoIP phones.

• Maximum 20 users (flaps) and 10 simultaneous calls
• Can be expanded with S2/O2/SO/BRI or GSM modules
• Automatic call recording included
• New, more powerful hardware
• New web interface design
• Services such as voice guide (IVR), ring groups, queues, conferencing, and more
• English announcements included

PBXs also support the Asterisk Management Interface (AMI) API, so it is possible to integrate the PBX with other systems, such as CRM.

In addition to basic calling functions (forwarding, transfer,...), the PBX provides a number of advanced functions:

• Call centre (call queues)
• Multilevel automatic intercom (IVR)
• Provisioning for telephones/TA gateways
• Conferencing including web-based conference management
• Call groups
• Voicemail including the ability to send a message to email
• LDAP server - global directory
• Event Centre - notification in case of selected event
• Firewall (including automatic blocking of IP addresses)
• Detailed Call Detail Report (CDR)
• Email-to-Sms / Sms-to-E-mail (after inserting GSM module)
• Fax-to-E-mail
• Bulk import/export of flaps from/to CSV file

Supported modules are:

• S2 module - 2x FXS port for analogue phones
• O2 module - 2x FXO port for 2 analogue lines
• SO module - 1x FXS port and 1x FXO port
• BRI module - 2x BRI port for ISDN2 lines
• 3G module - 1x GSM port for SIM card
• 4G LTE-E module - 1x 4G port for one SIM card

Yeastar S20 control panel has 2 positions for modules (4x ports).

NOTICE: The Yeastar S20 IP PBX does not include any expansion modules in the base unit!