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Voip Overview

Voice over Internet Protocol (VoIP) is a type of technology that allows its users to make calls using the broadband Internet rather than the conventional or analog phone system.  VoIP works by converting sound into digital voice communication and then transferring it through Internet broadband.

    • IP Phone SIP-T19P

    • 132 x 64-pixel graphical LCD
    • Single VoIP account
    • Two-port 10/100 Ethernet Switch, integrated PoE
    • Full-duplex speakerphone
    • Headset, wall mountable
    • XML remote phonebook
    • IP Phone SIP-T21P

    • HD Voice: HD Codec, HD speaker, HD handset
    • 132 x 64-pixel graphical LCD
    • 2 VoIP accounts
    • Two-port 10/100 Ethernet Switch, integrated PoE
    • Headset, wall-mountable
    • XML/LDAP remote phonebook
    • Ultra-elegant Gigabit IP Phone SIP-T46G

    • Revolutionarily new design
    • Yealink Optima HD voice
    • Dual-port Gigabit Ethernet
    • 4.3" 480 x 272-pixel color display with backlight
    • Built-in a USB port, support Bluetooth headset (Through USB Dongle)
    • Up to 6 SIP accounts, Paper label free design
    • Ultra-elegant Gigabit IP Phone SIP-T42G

    • Revolutionarily new design
    • Yealink Optima HD voice
    • Dual-port Gigabit Ethernet
    • 2.7" 192x64-pixel graphical LCD with backlight
    • Up to 3 SIP accounts
    • Paper label free design, PoE support
    • Ultra-elegant IP Phone SIP-T41P

    • Revolutionarily new design
    • Yealink Optima HD voice
    • 2.7" 192x64-pixel graphical LCD with backlight
    • Up to 3 SIP accounts
    • Paper label free design
    • PoE support
    • Gigabit Color Phone SIP-T38G

    • Dual-port Gigabit Ethernet, Power over Ethernet
    • 4,3” TFT-LCD, 16.7M colors, Intuitive user interface
    • TI Aries chipset and TI voice engine
    • HD Voice: HD Codec, HD speaker, HD handset
    • 6 VoIP accounts, BLF/BLA, IPv6, Open VPN
    • Headset, Support Wireless Headset, LCD Expansion module
    • Gigabit Color Phone SIP-T32G

    • Dual-port Gigabit Ethernet, Power over Ethernet
    • 3” TFT-LCD, 262K colors, Intuitive user interface
    • TI Aries chipset and TI voice engine
    • HD Voice: HD Codec, HD speaker, HD handset
    • 3 VoIP accounts, BLF/BLA, IPv6, Open VPN
    • Headset, Wall mountable
    • IP Phone SIP-T28P

    • TI TITAN chipset and TI voice engine
    • 6 VoIP accounts, 320x160 graphic LCD
    • HD Voice: HD Codec, HD Speaker, HD Handset
    • BLF/BLA, XML phonebook, Auto-provision
    • 2xLAN, PoE, Headset, Expansion module
    • IP Phone SIP-T26P

    • TI TITAN chipset and TI voice engine
    • 3 VoIP accounts, 132x64 graphic LCD
    • HD Voice: HD Codec, HD speaker, HD handset
    • SMS, Voicemail, SRTP/TLS/HTTPS, XML, MLS
    • 2xRJ45, PoE, Headset, Expansion module
    • IP Phone SIP-T22P

    • TI TITAN chipset and TI voice engine
    • 3 VoIP accounts, 132x64 graphic LCD
    • HD Voice: HD Codec, HD Speaker, HD Handset
    • BLF/BLA, XML phonebook, Auto-Provision
    • 2x RJ45, PoE, Headset, Wall-mounted
    • IP Phone SIP-T20P

    • TI TITAN chipset and TI voice engine
    • 2 VoIP accounts, 2x15 characters LCD
    • HD Voice: HD Codec, HD speaker, HD handset
    • Voicemail, SRTP/TLS/HTTPS, VLAN QoS
    • 2xRJ45, PoE, Headset, Wall-Mounted