Compare

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

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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

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

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N/A

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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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Sangoma

Yealink

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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