| Main centres: | 1-3 business days |
| Regional areas: | 3-4 business days |
| Remote areas: | 3-5 business days |
IN STOCK. DISPATCHED/COLLECTION SAME DAY!
High-quality Voice and Fax over the Internet
Now you can use your phone over the Internet, without compromising on voice quality or phone and fax features. The Cisco SPA112 2-Port Adapter offers the benefits of high-quality voice over IP (VoIP) without the need to upgrade your existing analog phones.
Easy to install and use, the SPA112 works over an IP network to connect analog phones and fax machines to a VoIP service provider.
The Cisco SPA112 is compact in design and compatible with international voice and data standards. It can be used with residential, home-office, and small-business-VoIP service offerings, including full-featured hosted or open source IP PBX environments.
The Cisco SPA112 2 Port Adapter:
OPEN BOX - Slight scratches, No manual, No Ethernet cable or Software CD included
Data networking | MAC address (IEEE 802.3) IPv4 (RFC 791) upgradeable to IPv6 (RFC 1883) Address Resolution Protocol (ARP) Domain Name System (DNS) A record (RFC 1706) and SRV record (RFC 2782) Dynamic Host Configuration Protocol (DHCP) client (RFC 2131) Point-to-Point Protocol over Ethernet (PPoE) client (RFC 2516) Internet Control Message Protocol (ICMP) (RFC 792) TCP (RFC 793) User Datagram Protocol (UDP) (RFC 768) Real Time Protocol (RTP) (RFC 1889) (RFC 1890) Real Time Control Protocol (RTCP) (RFC 1889) VLAN tagging (IEEE 802.1p) Simple Network Time Protocol (SNTP) (RFC 2030) SIP channels support for both UDP and TCP transport |
Voice gateway | SIPv2 (RFC 3261, 3262, 3263, and 3264) SIP proxy redundancy: Dynamic through use of DNS SRV A records Reregistration with primary SIP proxy server SIP support in network address translation (NAT) networks (including Serial Tunnel [STUN]) Highly secure (encrypted) calling using Secure RTP (SRTP) Codec name assignment G.711 (A-law and μ-law) G.726 (32 kbps) G.729 A Dynamic payload Adjustable audio frames per packet Dual-tone multifrequency (DTMF): In-band and out-of-band (RFC 2833) (SIP information) |
Voice features | Independent configurable dial plans with interdigit timers and IP dialing (1 per port) Call progress tone generation Jitter buffer: Adaptive Frame loss concealment Full-duplex audio Echo cancellation (G.165 and G.168) Voice activity detection (VAD) Silence suppression Comfort noise generation (CNG) Attenuation and gain adjustments Flash hook timer Message waiting indicator (MWI) tones Visual messaging waiting indicator (VMWI) using frequency shift keying (FSK) Polarity control Hook flash event signaling Caller ID generation (name and number): Bellcore, DTMF, and European Telecommunications Standards Institute (ETSI) Streaming audio server: Up to 10 sessions Music on hold Call waiting, call waiting and caller ID Caller ID with name and number Caller ID blocking Selective and anonymous call rejection Call forwarding: No answer, busy, and all Do not disturb Call transfer, call return, and call back on busy Three-way conference calling with local mixing Per-call authentication and associated routing Call blocking with toll restriction Distinctive ringing: Calling and called number Off-hook warning tone Advanced inbound and outbound call routing Hotline and warmline calling Long silence (configurable time setting) silence threshold Disconnect tone (for example, reorder tone) Configurable ring frequency Ring validation time setting |
