Sipura SPA-841

The Sipura SPA-841 IP telephone can be configured as a two (2) line or, via a simple software upgrade, a four (4) line full featured business phone with pixel based graphical display, speakerphone and headset port. Stylish and functional in design, the SPA-841 can be used in residential, SOHO, enterprise and small to medium business service offerings including IP PBX, hosted IP telephony and IP Centrex.

Grandstream GXP 2000

Grandstream GXP-2000 is an enterprise IP telephone based on open industry standards.
It supports SIP (RFC3261), TCP/IP/UDP, RTP/RTCP, HTTP, ARP, ICMP, DNS, DHCP, PPPoE, TFTP, NTP. Multiline support of up to 11 lines indicators, expandable to a few dozen more through expansion key-module. Graphical LCD to display up to 8 lines and 22 characters per line. Support Caller ID display or block, per call or permanent Call waiting, Hold, Mute, Transfer (blind or attended), Forward, and Multi-party conferencing.
 

Grandstream Budge Tone 101

It supports SIP 2.0, TCP/UDP/IP, RTP/RTPC, HTTP, ARP/RARP, ICMP, DNS, DHCP, NTP, TFTP protocols. Interoperable with various 3rd party SIP end user device, proxy/Registrar/Server and gateway products. Advanced Digital Signal Processing (DSP) to ensure superb hi-fidelity audio quality.Supports popular vocoders including G.723.1 (5.3K/6.3K), G.729A/B, G.711 (a-law and u-law), G.726, G.728. Dynamic negotiation of codec and voice payload length.Silence Suppression, VAD (Voice Activity Detection), CNG (Comfort Noise Generation), Echo Cancellation (G.168), and AGC (Automatic Gain Control).

Grandstream Budge Tone 102

The Grandstream BudgeTone 102 has all the features of the award winning BudgeTone101 and adds an additional 10 Base-T port with Quality of Service management, which allows a computer to share an ethernet