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Grandstream GXW4216 v2 is an updated VoIP gateway for integrating analog endpoints into a VoIP phone system — a cost-effective way of developing a hybrid system or bringing existing endpoints into a SIP-based communications system. As compared to v1, GXW4216 v2 supports better audio quality, improved security and 3-way voice conferencing per port. GXW4216 v2 has 16 FXS ports for connecting analog telephones, fax machines and other devices. It connects to your IP network using a lightning fast Gigabit Ethernet port.
GXW4216 v2 supports 4 SIP server profiles per system and an independent SIP account per FXS port. As a professional VoIP gateway, it supports advanced telephony features like caller ID, call transfer and more. This updated gateway supports wideband audio for a rich sound quality experience. For security, it uses TLS and SRTP encryption, secure boot, unique certificates and more. As a SIP gateway, it works with a broad range of VoIP phone systems and cloud phone services — flexible.
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