Compare

1 Port, 2 Port, 4 Port, 8 Port, 16 Port

1 Port, 2 Port, 4 Port, 8 Port

32 Port, 4 Port, 8 Port, 16 Port

1 Port, 2 Port, 4 Port, 8 Port, 16 Port

—

—

—

—

—

—

—

32 Port

—

—

32 Port, 4 Port, 8 Port

—

2 Port, 4 Port, 8 Port

No, Yes

No, Yes

—

No, Yes

—

—

—

—

—

—

—

—

—

—

—

—

—

Yes

Yes

—

Yes

—

—

—

—

—

—

—

—

—

—

—

—

—

Yes

Yes

—

Yes

—

—

—

—

—

—

—

—

—

—

—

—

—

Yes

Yes

—

Yes

—

—

—

—

—

—

—

—

—

—

—

—

—

Yes

Yes

—

Yes

—

—

—

—

—

—

—

—

—

—

—

—

—

Asterisk, Elastix, FreeBPX, FreeSWITCH, IP BRICK, trixbox, YATE

Asterisk, Elastix, FreeBPX, FreeSWITCH, IP BRICK, trixbox, YATE

—

Asterisk, Elastix, FreeBPX, FreeSWITCH, IP BRICK, trixbox, YATE

—

—

—

—

—

—

—

—

—

—

—

—

—

YES

YES

—

YES

—

—

—

—

—

—

—

—

—

—

—

—

—

Euro ISDN, Network or CPE, AT&T 4ESS, CAS Voice Modes

Euro ISDN, Network or CPE, AT&T 4ESS, CAS Voice Modes

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

25 Years from Manufacturer

5 Years From Manufacturer

3 Years From Manufacturer

5 Years From Manufacturer

—

—

—

—

—

—

—

—

—

—

—

—

—

Sangoma

Allo

—

Digium

Atcom

Atcom

—

—

—

—

—

Dinstar

Yealink

Zycoo

Dinstar

—

—

—

—

Amount: 2 (10/100 BASE-TX (RJ-45)), Auto MDI/MDIX supported, Self-adaptive bandwidth supported

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

CDMA: 800Mhz, GSM: 850/900/1800/1900MHz, SMS CODEC: ASCII/UCS2, UMTS: 850/900/1900/2100Mhz

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

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

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

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

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

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

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

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)

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)

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

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,

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,

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

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

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

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

Adjustable Headband, Dual earpiece headband with bigger size, Durable, light weight, rigid, Easily Repairable ( with full parts available ), Flexible Plastic Mic Boom for clear transmission, For USB Jack, Headsets for Dialers and Soft Phones, Soft leatherette ear cushions for all day comfort

Adjustable Headband, Dual earpiece headband with bigger size, Durable, light weight, robust., Flexible Plastic Mic Boom for clear transmission, For RJ JACK/ USB with QD connector optional, Headsets for VOIP, Dialers, Soft Phones & Hard Phones, Soft leatherette ear cushions for all day comfort

Adjustable Headband, Dual earpiece headband with bigger size, Durable, light weight, robust., Flexible Plastic Mic Boom for clear transmission, For RJ JACK/ USB with QD connector optional, Headsets for VOIP, Dialers, Soft Phones & Hard Phones, Soft leatherette ear cushions for all day comfort

—

—

—

—

—

—

—

For USB Jack

—

—

—

—

—

—

Easily Repairable ( with full parts available ), Impedance : 32-150 ohms, Leatherette ear cushions available., Optional Quick Disconnect Jack, Plastic and Rubber MIC Boom Assembly for clear transmission, SPL (at 1 kHz, 1 Vrms) : 100 dB, Stay-put click-stop headband for a perfect fit.

Easily Repairable ( with full parts available ), Impedance : 32-150 ohms, Leatherette ear cushions available., Optional Quick Disconnect Jack, Plastic and Rubber MIC Boom Assembly for clear transmission, SPL (at 1 kHz, 1 Vrms) : 100 dB, Stay-put click-stop headband for a perfect fit.

Easily Repairable ( with full parts available ), Impedance : 32-150 ohms, Leatherette ear cushions available., Optional Quick Disconnect Jack, Plastic and Rubber MIC Boom Assembly for clear transmission, SPL (at 1 kHz, 1 Vrms) : 100 dB, Stay-put click-stop headband for a perfect fit.

—

—

—

—

—

—

—

—

—

—

—

—

—

—

Frequency Response : 80 ~ 6500Hz, Impedance : 2.5 K Ohms, Pick up Pattern : Noise Cancelling, Type : Bidirectional

•Type : Bidirectional, Frequency Response : 80 ~ 6500Hz, Impedance : 2.5 K Ohms, Pick up Pattern : Noise Cancelling, Type : Bidirectional

•Type : Bidirectional, Frequency Response : 80 ~ 6500Hz, Impedance : 2.5 K Ohms, Pick up Pattern : Noise Cancelling, Type : Bidirectional

Connector : USB, Headset Frequency Response : 150~6000 Hz, Impedance speaker : 150 ohms, Type : Unidirectional

Connector : USB, Headset Frequency Response : 150~6000 Hz, Impedance speaker : 150 ohms, Type : Unidirectional

—

—

—

—

Current consumption : Max: 0.4mA, Directivity : Uni – Directional, Frequency : 100Hz—16000Hz, Impedance : Max:2.2kΩ @1kHz, Integrated product Sensitivity : -47±5dB@1KHz 680Ω 1.5V 0dB=1v/pa, Max operation voltage : 10v, S/N ratio : Min: 58dB @1kHz, Standard operation voltage : 3v, Transducer : Electorate condenser microphone (BACK)

—

—

—

—

—

—

—

—

—

—

Neodymium Speaker for loud and clear wideband sound, Gimbaled speaker for perfect fit on all head shapes and sizes

Neodymium Speaker for loud and clear wideband sound, Gimbaled speaker for perfect fit on all head shapes and sizes

—

—

—

—

Neodymium Speaker for loud and clear wideband sound, Gimbaled speaker for perfect fit on all head shapes and sizes

—

—

—

—

—

—

—

—

—

—

Headsets compatible for Linux, Windows XP, Vista, 7 & 8, Adjustable Surgical Steel Headband for long term flexibility and strength, Flexible geared Bi-Metal Mic Boom for perfect mic positioning and long life

Headsets compatible for Linux, Windows XP, Vista, 7 & 8, Adjustable Surgical Steel Headband for long term flexibility and strength, Flexible geared Bi-Metal Mic Boom for perfect mic positioning and long life

—

—

—

—

Headsets compatible for Linux, Windows XP, Vista, 7 & 8, Adjustable Surgical Headband for long term flexibility and strength, Flexible geared Bi-Metal Mic Boom for perfect mic positioning and long life

—

—

—

—

—

—

—

—

—

—

—

—

SIP V2.0 RFC3261, SDP RFC2327, Session Timer RFC4028, RTP/RTCP RFC3551, SIP Registration, SIP Trunk ( Peer Mode), SIP Trunk Group, Ringback (Immediately, Alerting), Configurable SIP Release Code, DNS SRV/A Query, Outbound Proxy, DTMF mode: Signal/RFC2833, NAT Traversal Dynamic NAT, Static NAT, STUN, G.711A/U law, G.723.1, G.729A/B, Silence Suppression & Detection, Comfort Noise Generation(CNG), Voice Activity Detection(VAD), Echo Cancellation(G.168), Adaptive (Dynamic) Jitter Buffer, Call Progress Tone Generation, Programmable Gain Control

—

—

SIP V2.0 RFC3261, SDP RFC2327, Session Timer RFC4028, RTP/RTCP RFC3551, SIP Registration, SIP Trunk ( Peer Mode), SIP Trunk Group, Ringback (Immediately, Alerting), Configurable SIP Release Code, DNS SRV/A Query, Outbound Proxy, DTMF mode: Signal/RFC2833, NAT Traversal Dynamic NAT, Static NAT, STUN, G.711A/U law, G.723.1, G.729A/B, Silence Suppression & Detection, Comfort Noise Generation(CNG), Voice Activity Detection(VAD), Echo Cancellation(G.168), Adaptive (Dynamic) Jitter Buffer, Call Progress Tone Generation, Programmable Gain Control

—

—

—

—

—

—

—

—

—

—

—

—

—

—

SIP-T46S

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

3 Lines (Support 3 SIP accounts), Support Call Waiting, Call Forward, Call Transfer, Call on Hold, Mute, Auto-answer, Redial, DND, Local 3-Way Conference, Volume Adjustable, Ring tones Selectable, Speed Dial, Hotline, Daylight Saving Time, Network Packet Capture, Country Ringtone Signal, Direct IP call, Auto Redial, Call Return, Dial Plan, XML Browser, Hot Desking, Keypad Lock, Action URL/URI, Phonebook (500 groups), Blacklist (100 groups),Call logs (100 entries), 5 Remote Phone Book URL Supported, LDAP, Multi-Language Support

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

SIP RFC3261, TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP/RARP, ICMP, DNS (A record, SRV, NAPTR), DHCP, PPPoE, SSH, TFTP, NTP, STUN, SIMPLE, LLDPMED, LDAP, TR-069, 802.1x, TLS, SRTP

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

SIP v1 (RFC2543), v2 (RFC3261) Call server redundancy supported NAT traversal: STUN mode Proxy mode and peer-to-peer SIP link mode IP assignment: static/DHCP/PPPoE HTTP/HTTPS web server
Time and date synchronization using SNTP UDP/TCP/DNS-SRV(RFC 3263) QoS: 802.1p/Q tagging (VLAN), Layer 3 ToS DSCP
SRTP for voice Transport Layer Security (TLS) HTTPS certificate manager AES encryption for configuration file Digest authentication using MD5/MD5-sess OpenVPN, IEEE802.1X
IPv6, LLDP/CDP/DHCP VLAN, ICE

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

10 line keys with LED 10 line keys can be programmed up to 27 paperless DSS keys (3-page view)7 features keys: message, headset, hold, mute, transfer, redial, hands-free speakerphone 4 context-sensitive “soft” keys 6 navigation keys Volume control keys Illuminated mute key Illuminated headset key Illuminated hands-free speakerphone key

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

Support for G.711µ/a, G.722 (wide-band), G.723 (pending), G.726-32, G.729 A/B, in-band and out-of-band DTMF (In audio, RFC2833, SIP INFO)

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

English, German, Italian, French, Spanish, Portuguese, Russian, Croatian, simplified and traditional Chinese, Korean, Japanese and more

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

FCC: Part 15 (CFR 47) Class BCE : EN55022 Class B, EN55024, EN61000-3-2, EN61000-3-3, EN60950-1RCM: AS/ACIF S004; AS/NZS CISPR22/24; AS/NZS 60950; AS/NZS 60950.1

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

Announcements, Built in Conference Bridge/Service, Calling Queues (ACD/IVR), Dictation, Directory, Fax to Email, Feature Rich User Control Panel – Visual Voicemail, Flexible Time Based Call Routing, Follow Me/ Find Me Calling, Hunt/Ring Groups, Music On Hold, Personal IVRs, Secure Communications (SRTP/TLS), Support for Video Calling, Voice Mail Blasting, Wake Up Calls

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

Call Forwarding, Call History – Call Detail Records and Call Event Logging, Call Recording, Call Screening, Call Transfer, Call Waiting, Caller Blacklisting, Caller ID, DISA, Do Not Disturb, Paging/Intercom, Speed Dials, Three Way Calling, Voice Mail – Voicemail to Email

—

—

Call History – Call Detail Records and Call Event Logging, Call Recording

—

—

—

—

—

—

—

—

—

—

—

—

—

Open Standards Support for Multiple Signaling Protocols: SIP, IAX2, PRI/T1/E1, POTS/Analog, ISDN, Soft Phone Support, Specialty Device Support – Door Phones, Overhead Paging, Strobe Alerts, Paging Gateways, Voice Gateways, Failover Devices, WebRTC – Browser Based Calling (thru UCP)

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

Bulk Import Utilities (Trunks, Extensions, Users, Phone Numbers), Integrated Intrusion Detection, System Dashboards

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

User Control Panel (UCP)

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

2 Port GSM Module, 2FXS-FXO Module, 4 FXO Module, 4 FXS Module, 4 Port GSM Module, E1/T1 Module, Without Module

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

2 Port GSM Module, 2FXS-FXO Module, 4 FXO Module, 4 FXS Module, 4 Port GSM Module, E1/T1 Module, Without Module

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

DTMF detection, and fax tone detection

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

AC Power Supply Range 100 – 240 VAC