Compare

1E1/T1 and 30 SIP channels, 2E1/T1 and 60 SIP channels, 4E1/T1 and 120 SIP channels

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Coder support: G.711A,G.711U, G.729 A/B,GSM, iLBC, RFC 2833,RF 3261,SIPINFO,INBOUND, Comfort noise generation, Compliant with TCP/UDP, HTTP, ARP/RARP,DNS,NTP,TFTP,TELNET,STUN and more IP protocols, Digit transmission via RFC 2833 (SIP), Echo cancellation: G.168 128 ms tail length, Hosted NAT, T.38 real-time fax, T.38 – G.711 interworking, Voice activity detection and packet loss concealment

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Network Time Protocol (NTP), SNMP MIBs, Web User Interface (WebUI) supports configuration via browser

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AC Power Supply Range 100 – 240 VAC, The power supply will operate at frequencies between 47 Hz and 63 Hz

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30 – 120 TDM channels per 1U shelf, 30 – 120 VoIP channels per 1U shelf

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IP Dual redundant 2 – 100/1000 Base-T Ethernet for VoIP payload and signaling

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4 SS7 links in standalone configuration, ISDN PRI, ISDN/SS7, SS7 ISUP, SS7 TCAP

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Core SIP Specifications and Notable Extensions, RFC 3261 SIP Basic, RFC 3262 SIP PRACK, RFC 3265 SIP Subscribe/Notify

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IP and ISUP interworking and more, RFC 3398 ISUP/SIP Mapping, RFC 3711 SRTP (for SIP), Tel URI – RFC 3966

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3 Years From Manufacturer

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Synway

Fanvil

Fanvil

Fanvil

Fanvil

Atcom

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2x SIP accounts, 5-way conferencing, Call forward, call waiting, call transfer, Call log (300 entries total, in/out/missed), Call out / answer / reject, Caller ID Display, Desktop / Wall-mount installation, Economical and Environmental friendly package, Handset(HS) / Hands-free(HF) / Headphone(HP) mode (EHS support for Plantronics headsets), HD Voice, Industrial Standard Certifications: CE/FCC, Intercom, Mute / unmute (microphone), POE Enabled(X3SP/X3G), Redial, call return, auto answer

Action URL / Active URI, Black/White List Call Filtering, Call log (100 entries, in/out/missed), Network Time Synchronization, Phonebook (500 entries), Programmable DSS/Soft keys, Remote Phonebook (XML/LDAP), Voice Message Waiting Indication (VMWI)

2 LCDs (Main + DSS), 6 SIP Lines, Action URL / Active URI, Black/White List Call Filtering, Call log (100 entries, in/out/missed), Network Time Synchronization, Phonebook (500 entries), Programmable DSS/Soft keys, Remote Phonebook (XML/LDAP), Voice Message Waiting Indication (VMWI)

Android 4.2 OS, Supports 6 SIP servers and Backup SIP proxy servers., Supports Acoustic echo cancellation (AEC) – 128ms max filter length in duplex speaker phone mode, Supports HDMI, Supports high quality video call, Supports PLC & adaptive jitter buffer, Supports SIP 2.0 (RFC3261) and correlative RFCs, Supports SIP UDP/TCP/TLS, Supports USB Host

1 SIP account, 132 * 52 graphic character dot matrix with backlight LCD, Black/White List Call Filtering, Call Center Headsets mode, Call Forward, Call Transfer, Call Waiting, Hotline, Call Hold, Auto Answer, Caller ID, Redial, Mute, DND, Dialed/Received/Missed call (each 200), Direct IP call, Local 3-Way Conferencing, Local Phonebook (upto 1000 entries), Speed Dial, Voice Mail

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N/A

Anonymous Call (Hide Caller ID), Auto-Answering (per line), Call Forwarding (Always/Busy/No Answer), Call Hold / Resume, Call out / answer / reject, Call Parking/Pick-up (depending on server), Call Transfer (Attended/Unattended), Call Waiting, Caller ID Display, Do-Not-Disturb (per line / per phone), Hot Line, Hot-Desking, Intercom, Local 3-way Conference, Mute / Unmute (microphone), Redial/Auto-Redial, Speed Dial, Voice Message (on server)

Anonymous Call (Hide Caller ID), Auto-Answering (per line), Call Forwarding (Always/Busy/No Answer), Call Hold / Resume, Call out / answer / reject, Call Parking/Pick-up (depending on server), Call Transfer (Attended/Unattended), Call Waiting, Caller ID Display, Do-Not-Disturb (per line / per phone), Hot Line, Hot-Desking, Intercom, Local 3-way Conference, Mute / Unmute (microphone), Redial/Auto-Redial, Speed Dial, Voice Message (on server)

Auto Answer (Hands- free / Headset), Auto Redial / un-redial, Barring function for outgoing calls, Black List, BLF List, Call Completion, Call Conference, Call Forwarding, Call Holding, Call Rejection, Call Transfer (blind/attended/alert), Call Waiting, Caller ID Display, Capable of 10 way conversation, Dial without registration, Direct IP call without SIP proxy, Do Not Disturb, Flexible dial plan, Headset ring, Hot desk function, Hotline/Warm-line, Intercom/Intercom barge, Join Call, Password dial, Pickup, Soft DSS Key (Upto 100), Support messaging and MWI, Support multi line and pre-dial, Supports Call Logs with Missed / Incoming / Outgoing calls, Voice recording during talking /local

Anonymous call, anonymous call rejection, Call Conference, Call park, call pickup, Call Recording, DND&Call forward state synchronization, Group pickup, Intercom, paging, Music on hold

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Dual-Functional Back Rack x1: Desktop Stand / Wall-mount, HD Hands-free Microphone (0 ~ 7KHz) x1, HD Hands-free Speaker (0 ~ 7KHz) x1, HD Handset (RJ9) x1, Keypad: 32 keys, including 4 Soft-keys 12 Standard Phone Digits keys 5 Navigation keys 2 Line keys with tri-color LED 5 Function key 3 Volume Control keys, Up/Down/Mute(Microphone) 1 Hands-free, LCD x1: 2.4/2.8 inch (320×240) color-screen LCD, Standard RJ9 Handset Wire x1

DSS Key-mapping LCD x1:color-screen LCD, HD Hands-free Microphone (0 ~ 7KHz) x1, HD Hands-free Speaker (0 ~ 7KHz) x1, HD Handset (RJ9) x1, Keypad: 38 keys, Main Chipset: Broadcom, Main LCD x1: 2.8 inch (320×240) color-screen LCD, RJ45 Ethernet Jacket x2: Network x1 (802.3AF POE Class 2 Enabled), PC x1 (Bridged to Network), RJ9 Phone Jacket x2: Handset x1, Headphone x1

DSS Key-mapping LCD x1:color-screen LCD, HD Hands-free Microphone (0 ~ 7KHz) x1, HD Hands-free Speaker (0 ~ 7KHz) x1, HD Handset (RJ9) x1, Keypad: 38 keys, Main Chipset: Broadcom, Main LCD x1: 2.8 inch (320×240) color-screen LCD, RJ45 Ethernet Jacket x2: Network x1 (802.3AF POE Class 2 Enabled), PC x1 (Bridged to Network), RJ9 Phone Jacket x2: Handset x1, Headphone x1

Bandwidth selection: 64kbps~4Mbps, Camera- Adjustable Position, Frame rate selection: 10~30fps, Image codec: JPEG/PNG/BMP/GIF, LCD Size Diagonal:7 inch (800 x 480) Capacitive touch screen, SD Interface – TF Card Support Upto 32G, Supports up to 4 video display mode, Video call resolution: QCIF / CIF / VGA / 4CIF (1280x720P Optional), Video codec: H.264 / H.263, Video format: MP4/3GP/FLV

132 x 52 monochrome LCD with backlitDual Ethernet Port, PoESingle SIP account,3-way conference, Wall-mount and Desktop bracket design (No Power adapter included)

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DTMF: In-band, Out-of-Band – DTMF-Relay (RFC2833) / SIP INFO, Dynamic Adaptive Jitter Buffer up to 300ms, Full-duplex Acoustic Echo Canceller (AEC) – Hands-free Mode, 96ms tail-length, HD Voice Microphone/Speaker (Handset/Hands-free, 0~7KHz Frequency Response), Narrowband CODEC: G.711a/u, G.723.1, G.726-32K, G.729AB, Voice Activity Detection (VAD) / Comfort Noise Generation (CNG) / Background Noise Estimation (BNE) / Noise Reduction (NR), Wideband ADC/DAC 16KHz Sampling, Wideband CODEC: G.722

DTMF: In-band, Out-of-Band – DTMF-Relay (RFC2833) / SIP INFO, Dynamic Adaptive Jitter Buffer up to 300ms, Full-duplex Acoustic Echo Canceller (AEC) – Hands-free Mode, 96ms tail-length, HD Voice Microphone/Speaker (Handset/Hands-free, 0~7KHz Frequency Response), Narrowband CODEC: G.711a/u, G.723.1, G.726-32K, G.729AB, Voice Activity Detection (VAD) / Comfort Noise Generation (CNG) / Background Noise Estimation (BNE) / Noise Reduction (NR), Wideband ADC/DAC 16KHz Sampling, Wideband CODEC: G.722

DTMF: In-band, Out-of-Band – DTMF-Relay (RFC2833) / SIP INFO, Dynamic Adaptive Jitter Buffer up to 300ms, Full-duplex Acoustic Echo Canceller (AEC) – Hands-free Mode, 96ms tail-length, HD Voice Microphone/Speaker (Handset/Hands-free, 0~7KHz Frequency Response), Narrowband CODEC: G.711a/u, G.723.1, G.726-32K, G.729AB, Packet Loss Concealment (PLC), Voice Activity Detection (VAD) / Comfort Noise Generation (CNG) / Background Noise Estimation (BNE) / Noise Reduction (NR), Wideband ADC/DAC 16KHz Sampling, Wideband CODEC: G.722

Adaptive Jitter Buffer (AJB), Audio format: WAV/MP3/OGG, Comfort Noise Generation(CNG), DTMF: In-band, Out-of-Band – DTMF-Relay (RFC2833) / SIP INFO, Full-duplex hands-free speaker phone with AEC (Max filter length – 128ms), Narrowband codec: G.711(A/μ), G.723.1, G.729AB, iLBC, AMR, Packet Loss Concealment (PLC), Voice Activity Detection (VAD), Wideband CODEC: G.722

2 custom ring tone article, 8 own ring tone, 8 volume adjustable + Mute mode, Acoustic Echo Cancellation (AEC), Adaptive Jitter Buffer (AJB), Auto Gain Control (AGC), Comfort Noise Generation (CNG), Full-duplex hands-free speakerphone with AEC (Acoustic Echo Cancellation), Narrowband CODEC: G.711a/u, G.723.1, G.726-32K, G.729AB, Packet Loss Concealment (PLC), Voice Activity Detection (VAD), Wideband codec: G.722, L16,

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IP Configuration: Static / DHCP / PPPoE, Network Access Control: 802.1x, Physical: 10/100Mbps(X3S/X3SP), 10/100/1000Mbps(X3G) Ethernet, dual bridged port for PC bypass, QoS, SIP2.0 over UDP/TCP/TLS RTP/RTCP/SRTP STUN DHCP PPPoE 802.1x L2TP (Basic Unencrypted) OpenVPN SNTP FTP/TFTP HTTP/HTTPS TR069, VLAN, VPN: L2TP (Basic Unencrypted) / OpenVPN

IP Configuration: Static / DHCP / PPPoE, Network Access Control: 802.1x, Physical: 10/100Mbps(X3S/X3SP), 10/100/1000Mbps(X3G) Ethernet, dual bridged port for PC bypass, QoS, SIP2.0 over UDP/TCP/TLS RTP/RTCP/SRTP STUN DHCP PPPoE 802.1x L2TP (Basic Unencrypted) OpenVPN SNTP FTP/TFTP HTTP/HTTPS TR069, VLAN, VPN: L2TP (Basic Unencrypted) / OpenVPN

IP Configuration: Static / DHCP / PPPoE, Network Access Control: 802.1x, Physical: 10/100Mbps(X5), 10/100/ 1000Mbps(X5G) Ethernet, dual bridged port for PC bypass, QoS, VLAN, VPN: L2TP (Basic Unencrypted) / OpenVPN

DHCP/ static/ PPPoE, STUN, Supports main DNS and secondary DNS server, Supports MD5 authentication, Supports PoE (802.3af), Supports QoS: 802.1p/q, DSCP, Supports SIP SRTP,, Supports SNTP Client, Supports VLAN, Supports VPN L2TP / PPTP / IPSec, Supports Web Filter, Supports Web HTTP / HTTPS, WAN/LAN: support bridge mode

AES encryption for configuration file, and P2P mode, Digest authentication using MD5/MD5-sess, DTMF: In-band, HTTP / HTTPS web server, IEEE802.1X, LAN / PC: support bridge mode, LLDP, NAT transverse: STUN mode, Open VPN support, Package tracing export, Phone lock, RFC2833, SIP connection mode: Proxy mode, SIP INFO, Support DNS SRV (RFC3263), Support QoS, Syslog, TLS, User and administrator level access control, VLAN