Brand | Yeastar |
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Type | ISDN / Analog |
Multi language system prompt, easy to use, s-series unleashes the power of unified communication, field upgradable modular design and allow to connect with traditional line / VoIP line and cellular network, works with SIP/IAX2 / PSTN lines / ISDN BRI / E1/T1/PRI and GSM/3G/4G, built-in call recording capability, combined with an internal firewall and TLS and SRTP encryption support, TI DSP voice processor and long life power unit and lightning protection, one touch recording.