Models for the upper market support as many as six SIP accounts and a variety of smart apps. Many deliver HD voice quality.

HD voice

Fujian Hua Min Group (Trantek Industries Co.)
Fujian Hua Min’s SP-R50P model uses G.722 wideband codec to deliver HD voice. PCMA, PCMU, G.729, G723_53, G723_63 and G726_32 are the narrowband codecs. The VoIP business phone supports one SIP account. It has call waiting, forward, transfer and hold, mute, auto-answer and redial features. Local three-way conferencing is allowed. The model has a 2.3in 132x64-pixel LCD with backlight. It is compatible with Asterisk and BroadSoft Platform. IP-PBX features include SMS, voicemail and MWI message notification.

PoE

Fujian Star-net Communication Co. Ltd
The R47P model from Fujian Star-net is a VoIP phone that uses PoE. It supports up to four SIP accounts and delivers HD voice. The unit runs on Android. It is compatible with Asterisk, Avaya and BroadSoft Platform. The multimedia phone has various apps, including phonebook, weather and Google Play.

10 DSS keys

Fujian Star-net Communication Co. Ltd
Fujian Star-net’s model R59P VoIP phone has 10 DSS keys that can be used as programmable keys and BLF. The unit adopts PoE IEEE 802.3af and supports up to six SIP accounts. It delivers HD voice. The 4.3in LCD has a 480x272-pixel resolution, backlighting and 4-bit grayscale. The VoIP phone works with Asterisk, Avaya, BroadSoft Platform and Epygi.

Multiple codecs

Huizhou Qiaoxing Famous Science & Technology Co. Ltd
The Voip400 model from Huizhou Qiaoxing Famous supports G.711 A/U Law, G.722, G.723 and G.729 codecs, and uses SIP 2.0 RFC 3261. It supports two SIP lines and can connect simultaneously to the SIP1 and SIP2 servers. Call forwarding, transfer, hold and waiting, three-way talk, paging and intercom, pickup, join, click to dial and call park are allowed. The CE- and RoHS-certified VoIP phone has 10 ring tones. Its phonebook stores 150 records.

Full-duplex speakerphone

Huizhou Qiaoxing Famous Science & Technology Co. Ltd
Hangzhou Qiaoxing Famous’ Voip670 model is a full-duplex VoIP speakerphone supporting two SIP accounts and adopting SIP 2.0 RFC 3261. G.711 A/U Law, G.722, G.723 and G.729 are the codecs used. Flexible dial map, hotline, empty calling reject, blacklist to reject authenticated calls and call limit are the call-control features.

Two Ethernet Ports

Kasda Digital Technology Co. Ltd
Kasda’s KT101 model has two fast Ethernet ports for LAN and PC connection. The VoIP phone uses SIP 2.0, RTP/RTCP, SDP, TCP/IP, PPPoE, DHCP and NAT, and G.711A/µ, G.729 A/B and G.723.1 codecs. It is compatible with several softswitch platforms, including ZTE, Huawei, Sonus, Cisco, Lucent, Nortel, Siemens and UT Starcom. Voice activity detection, comfort noise generation, adaptive dynamic jitter buffer and echo cancelation are the unit’s voice features.

Business grade

Kasda Digital Technology Co. Ltd
The KT102 model from Kasda is a business-grade VoIP phone that can be used as an integrated or stand-alone unit. It runs on VxWorks OS and employs SIP 2.0 RFC 3261. The product delivers HD voice and adopts G.711A/u, G.7231 high/low, G.729AB, G.722 and G.726-32 codecs. It is a full-duplex speakerphone with acoustic echo cancellation, voice activity detection, comfort noise generation, background noise suppression and adaptive jitter buffer features. The LCD has a 128x48-pixel resolution. Each programmable function key has a dual-color LED indicator.

Large touchscreen

Synway Information Engineering Co. Ltd
The touchscreen on Synway’s SIP-S48G model measures 7in, allowing for easy switching between screens and apps. The VoIP phone is Bluetooth-enabled and works with wired and wireless headsets. It is built for Gigabit Ethernet, with two GbE ports, one for PoE. The full-duplex HD voice speakerphone has echo cancelation and adaptive jitter buffer features.