- 8 VoIP Users - 8 Concurrent Calls - 4 VoIP Trunks - 8 Fixed RJ11 FXS Ports - 4 Customizable FXS RJ11 Ports - Up to 4 Customizable FXO/BRI RJ11 Ports - Up to 2 Customizable GSM/3G/4G Channels - 1 10/100Mbps LAN - 1 10/100Mbps WAN - TF Card Slot - Protocol: SIP, IAX2 - Transport Protocol: UDP, TCP, TLS, SRTP - DTMF: In-band, RFC4733, SIP INFO - Codec: G711 (alaw/ulaw), G722, G726, G729A, GSM, Speex, ADPCM, iLBC, H263, H263P, H264, MPEG4
Technical Specifications
Certification Required: Yes Maximum Concurrent Calls: 8 Number BRI Ports: 4 Number FXO Ports: 4 Number FXS Ports: 4 Number GSM Ports: 2 PBX: Yes Support for Analog Phone Lines: Yes Support for T1/E1 Phone Lines: Yes Supports Remote Phones: Yes Wall or Rack Mountable: Rack Color: Black
Product Details
Manufacturer:
Model Number:
UPC:
Condition:
Weight:
Dimensions:
Updated:
Added:
Yeastar
YST-S412
6977639382057
New
1.55 lbs
9 X 13 X 4
May 18, 2026
May 16, 2026
Product Identifiers:
Brand: Yeastar •
Part #: YST-S412 • UPC: 6977639382057 • Category: Business Phones