 | Data networking: |
| MAC address (IEEE 802.3) |
| IPv4 (RFC 791) |
| ARP: Address Resolution Protocol |
| DNS A record (RFC 1706), SRV record (RFC 2782) |
| DHCP client: Dynamic Host Configuration Protocol (RFC 2131) |
| ICMP: Internet Control Message Protocol (RFC 792) |
| TCP (RFC 793) |
| UDP: User Datagram Protocol (RFC 768) |
| RTP: Real Time Protocol (RFC 1889, 1890) |
| RTCP: Real Time Control Protocol (RFC 1889) |
| DiffServ: Differentiated Services (RFC 2475) |
| ToS: type of service (RFC 791, 1349) |
| VLAN tagging 802.1p/Q; Layer 2 quality of service (QoS) |
| SNTP: Simple Network Time Protocol (RFC 2030) |
| Voice gateway: |
| SIP v2: (RFC 3261, 3262, 3263, 3264) |
| SIP proxy redundancy: dynamic via DNS SRV, A records |
| Reregistration with primary SIP proxy server |
| SIP support in NAT networks (including serial tunnel [STUN]) |
| SIPFrag (RFC 3420) |
| Secure (encrypted) calling via prestandard implementation of Secure RTP |
| Codec name assignment |
| Voice algorithms: |
| G.711 (A-law and mu-law) |
| G.726 (16/24/32/40 kbps) |
| G.729 A |
| G.723.1 (6.3 kbps, 5.3 kbps) |
| Dynamic payload support |
| Adjustable audio frames per packet |
| 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 |
| VAD: voice activity detection with silence suppression |
| Attenuation/gain adjustments |
| MWI: message waiting indicator tones |
| VMWI: visual message waiting indicator via NOTIFY, SUBSCRIBE |
| Third-party call control (RFC 3725) |
| Security: |
| Password-protected system, preset to factory default |
| Password-protected access to administrator and user-level features |
| HTTPS with factory-installed client certificate |
| HTTP digest: encrypted authentication via MD5 (RFC 1321) |
| Up to 256-bit Advanced Encryption Standard (AES) encryption |
| Provisioning, administration, and maintenance: |
| Integrated web server provides web-based administration and configuration |
| Integrated voice response system to report and modify configuration parameters |
| Automated provisioning and upgrade via HTTPS, HTTP, TFTP |
| Asynchronous notification of upgrade availability via NOTIFY |
| Nonintrusive in-service upgrades |
| Report generation and event logging |
| Statistics transmitted in BYE message |
| Syslog and debug server records: configurable per line |
| Physical interfaces: |
| One 10BASE-T RJ-45 Ethernet port (IEEE 802.3) |
| Handset: RJ-9 connector |
| Power supply: |
| 5V, 2A Switching Power Adaptor |
| Indicator lights/LED: |
| Status LED |
| Message waiting indicator LED |
| Documentation: |
| Quick-Start Installation and Configuration Guide |
| User Guide |
| Administration Guide |
| Provisioning Guide (for service providers only) |
| Dimensions (W x H x D): 4.13 x 3.75 x 8.38 in. (104.78 x 95.25 x 212.73 mm) |
| Unit weight: 1.70 lb (0.7711 kg) |
| Operating temperature: 32º to 113ºF (0º to 45ºC) |
| Storage temperature: -13º to 185ºF (-25º to 85ºC) |
| Operating humidity: 10% to 90% noncondensing |
| Storage humidity: 10% to 90% noncondensing |
| This Cisco Small Business product comes with a 2-year limited hardware warranty with return to factory replacement. In addition, Cisco offers software application updates for bug fixes and telephone technical support at no charge for the first 12 months following the date of purchase. |
