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General | |
Brand | Cisco |
Model | SPA301-G3 |
Data Networking | IP, TCP, TFTP, UDP, ICMP, ARP, HTTP, DNS, HTTPS |
Physical interfaces | RJ-9 connector, RJ-45 Ethernet port |
Voice gateway | SIP version 2 (RFC 3261, 3262, 3263, 3264) • SPCP with the Cisco Unified Communications 500 Series • SIP proxy redundancy: dynamic via DNS SRV, A records • Re-registration with primary SIP proxy server • SIP support in NAT networks (including STUN) • SIPFrag (RFC 3420) • Highly secure (encrypted) calling via Secure Real-Time Transport Protocol (SRTP) • SIP/TLS • Codec name assignment • Voice algorithms: • G.711 (A-law and µ-law) • G.726 (16/24/32/40 kbps) • G.729 AB • G.722 • Dynamic payload support • Adjustable audio frames per packet • Dual-tone multifrequency (DTMF), in-band and out-of-band (RFC 2833) (SIP INFO) • Flexible dial plan support with interdigit timers • IP address/URI dialing support • Call progress tone generation • Jitter buffer: adaptive • Frame loss concealment • Voice activity detection (VAD) with silence suppression • Attenuation/gain adjustments • Message waiting indicator (MWI) tones • Voicemail waiting indicator (VMWI), via NOTIFY, SUBSCRIBE • Caller ID support (name and number) • Third-party call control (RFC 3725) |
Administration | • Integrated web server provides web-based administration and configuration • Automated provisioning and upgrade via TFTP, HTTP or HTTPS • Asynchronous notification of upgrade availability via NOTIFY • Nonintrusive in-service upgrades • Report generation and event logging • Statistics transmitted in BYE message • RTCP-XR • Syslog and debug server records: configurable per line |
Power supply | • Switching type (100-240V) automatic • DC input voltage: +5 VDC at 1.0A maximum |
Security | •Password-protected system reset to factory default • Password-protected administrator and user access authority• HTTPS with factory-installed client certificate •HTTP digest-encrypted authentication via MD5 (RFC 1321)•Up to 256-bit Advanced Encryption Standard (AES) encryption |
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