Grandstream GXP-1200 – business class IP phone supports 2 lines with the ability to register two separate SIP accounts, supports a wide range of audio codecs, two Ethernet ports, built-in PoE.

Grandstream GXP-1200 – business class IP phone supports 2 lines with the ability to register two separate SIP accounts with excellent sound quality and advanced features, designed for small offices. Supports all standard phone functions, supports several languages. Grandstream GXP1200 also supports a wide range of audio codecs, two Ethernet ports are built-in PoE. Built-in WEB interface for quick and easy installation and management.

Technical specifications:
- support for SIP 2.0, TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP/RARP, ICMP, DNS (A record and SRV), DHCP (both client and server), PPPoE, TFTP, NTP, Telnet;
- codecs G.711 (a/u-law), G.723.1, G.729A/B, G.726, GSM, iLBC, and G.722 (wideband);
- two 10/100Mbps Ethernet ports with integrated Power-over-Ethernet (802.3af);
- Advanced digital signal processor (DSP), noise reduction, VAD, CNG, AGC high-precision wideband audio codec (G.722);
- NAT support (STUN, etc.), fail-over server, SIP presence (SIMPLE), etc.;
- graphic display 128x32 pixels with backlight;
- download ringtones;

Call functions:
- 2 lines with two individual SIP accounts and a two-color indicator;
- support for Caller ID function;
- call functions Call waiting, hold, mute, transfer (blind or attended), forward, etc.;
- 3-way conference call;
- 5 navigation keys;
- 8 separate keys – hold, speakerphone, send, transfer, conference, headset, mute, messages;

Sound:
- full-duplex speakerphone with advanced echo cancellation function;
- jack (2.5 mm) for headset;
- safe automatic promotion for many opportunities;
- support for SRTP and TLS (pending) for security.