
Features & Benefits
- Support SIP (RFC3261), TCP/IP/UDP, RTP/RTCP, HTTP, ARP, ICMP, DNS (A record and SRV), PPPoE, TFTP, NTP, DHCP (client only)
- Support NAT traversal (STUN, etc), server fail-over, SIP presence (SIMPLE), and more
- Multiline support of up to 11 lines indicators (expandable to 112 lines through expansion key-module)
- Graphical LCD to display up to 8 lines and 22 characters per line
- Dual 10/100Mbps Ethernet ports
- 2.5mm headset jack (versions 0.3 and 0.4 - 3.5mm headset jack)
- Support Caller ID display or block, per call or permanent
- Call waiting, hold, mute, transfer (blind or attended),forward, and more
- 3-way conferencing
- Integrated Power-over-Ethernet (802.3af)
- And many more enterprise grade features

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