Compare

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

1 Port, 2 Port, 4 Port, 8 Port

24 Port, 32 Port, 4 Port, 8 Port, 16 Port

32 Port, 4 Port, 8 Port, 16 Port

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

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24 Port, 50 Port, 8 Port

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32 Port

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32 Port, 4 Port, 8 Port

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2 Port, 4 Port, 8 Port

No, Yes

No, Yes

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No, Yes

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Yes

Yes

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Yes

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Yes

Yes

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Yes

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Yes

Yes

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Yes

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Yes

Yes

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Yes

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

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

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

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YES

YES

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YES

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

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

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25 Years from Manufacturer

5 Years From Manufacturer

3 Years From Manufacturer

3 Years From Manufacturer

3 Years From Manufacturer

5 Years From Manufacturer

N/A

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N/A

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Sangoma

Allo

Synway

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Synway

Digium

Sangoma

Sangoma

Digium

Atcom

Atcom

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Dinstar

Yealink

Zycoo

Dinstar

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Connectors: 2-32 shielded female RJ-11 jacks, Number of ports: 2-32 FXO/FXS configurable, Use multiple gateway units for higher port counts

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Connector: 2 shielded female RJ-45 jack for LAN, Network Interface: 10/100 Base-T Ethernet LAN port

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RTP/RTCP for delivery of voice, SIP per RFC 3261

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T.38 FoIP transcode fax from T.30 fax protocol (supporting V.17) modulation schemes, T.38 for transmission over a packet network

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DTMF detection, and fax tone detection, G.711 μ-Law and A-Law, G.723.1, G.729AB Silence suppression with comfort noise G.168 automatic echo cancellation Call Progress Analysis (CPA), Including Positive Voice Detection, Positive Answering Machine Detection (PAMD)

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DTMF detection, and fax tone detection

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From IP to PSTN or from PSTN to IP, IP fault tolerance, IP load balancing, User configuration list of VoIP endpoints

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Dial planner – sophisticated call routing capabilities, standalone or gatekeeper/proxy integration, Direct Dialing In (DDI), NAT traversal, SIP registration to multiple proxies

Dial planner – sophisticated call routing capabilities, standalone or gatekeeper/proxy integration, Direct Dialing In (DDI), SIP registration to multiple proxies

SIP registration to multiple proxies

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FXO, FXS

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FXO, FXS

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

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Amount: 2 (10/100 BASE-TX (RJ-45)), full / half duplex

1000BaseT / 100BaseTx / 10BaseT, full / half duplex, 1x RJ-45 Gigabit Ethernet

2 T1/E1/PRI w/ RJ-45 1 10/100/1000 Ethernet

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

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

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

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8E1/T1 and 240 SIP Channels, 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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AC Power Supply Range 100 – 240 VAC

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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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G.711A 64 kbps, G.711U 64 kbps, G.723 5.3/6.3 kbps, G.726, G.729a (8kbps), T.38

G.711A 64 kbps, G.711U 64 kbps, G.723 5.3/6.3 kbps, G.726, G.729a (8kbps), T.38

1G802F, G.711A 64 kbps, G.711U 64 kbps, G.722 64 kbps, G.726, G.729 A/B 8 kbps

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24 FXS ports on an RJ-21 connector, 600R, 900R or CTR-21 line impedance

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Message waiting indicator – audible, visual, Call forward – unconditional, busy, no-answer, Call transfer – blind, consultative, Call Waiting, Caller ID, Do Not Disturb, Music on hold, Three Way Calling

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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

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

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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

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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

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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)

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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,

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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

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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

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For USB Jack

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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.

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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

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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)

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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

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

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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

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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

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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

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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

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SIP-T46S

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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

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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

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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

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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

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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)

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

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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

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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

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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)

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

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User Control Panel (UCP)

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

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

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