GXP2120 6-line Executive HD IP Phone Spec (3)

GXP2120 6-line Executive HD IP Phone Spec (3)

GXP2120 6-line Executive HD IP Phone Spec

SIP Compliant and Protocols	SIP, TCP/IP/UDP, RTP, HTTP, ARP, ICMP, DNS (A record and SRV), DHCP, PPPoE, TFTP, NTP, etc.
Networking Interfaces	Dual 10/100mbps Ethernet ports
Voice Codecs	G.711 (a/u-law), G.723.1, G.729A/B, G.726, iLBC, and G.722 (wideband)
Superb Audio Quality	Advanced Digital Signal Processing (DSP), Silence suppression, VAD, CNG, AGC high fidelity wideband audio (G.722). HD handset
Custom Ringtone Software	Convert most music files to a Grandstream ringtone
Advanced Functionality	Multi-line support, multi-party conferencing (5-way), multi-language support (MLS), headset enabled, expandable, intercom, AES encryption, etc.
Cost-effective IP Solution	Small to Medium enterprise office IP Phone

Grandstream - Top VoIP Gateways IP Phones ATA China Manufacturer