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ProtocolsSIP 2.0, MGCP 1.0, NCS 1.0Speech Codec CapabilitiesG.711 and one of the following:
G.726
G.723.1; G.729A (Low bit rate codecs)
Supports 3-way conferencing with compressionQuality of ServiceIEEE 802.1p/q; IP TOS Tagging; Built-in Priority Switch;
Data Bandwidth Control; Adaptive jitter bufferSignal ProcessingEcho cancellation
Silence suppression
T.38 Fax (or fall-back to G.711)
Caller ID FSK signal regeneration
Line reversal/Polarity reversal
16Khz metering pulse (MGCP only)CertificationFCC part 15B; CE; ULTonesRing back tone
Busy tone
Reorder tone
Dial tone
Off hook warning tone
Message waiting tone (MWI)/Stutter tone
Call waiting toneDTMF ToneDTMF tone detection and generation/RFC2833AnnouncementsPlay out any voice stream sent by Call Agent or SIP Proxy controlled announcement server
Device IP announcementOAM&PAccess components implemented:
CLI, TFTP, HTTP 1.0, SNMP, Telnet, DHCP or DNS, HTTPS (available soon)
Works with any SNMP (v.1, v.2c, v.3)-based EMS
Offers web-based access as well as HTTP, Secured HTPP, or TFTP-based remote software downloads/upgrades
Provisionable set feature codesOther FeaturesBuilt-in DHCP server
NAT capabilities for simultaneous Internet access for multiple PC’s
IP routing and port forwarding
MAC cloning
IP/Domain filtering
STUN NAT traversal
SIP TLS over TCP
Multiple Line Profiles (SIP only)
DSCP (Diffserv Codepoint) (SIP only)
VLAN Tagging
SIP INFO for DTMF/Flash Event
SIP Notify for Flash Event
SIP PING
SIP PRACK
RTCP-XR (SIP only)