Cisco Ip Phone Spa 504G
- Four voice lines
- Five-ways navigation keys
- Four soft keys to access screen-based applications
- 128 x 64 monochrome LCD graphical display with backlight.
- Two Ethernet ports with integrated Ethernet switch: 10/100BASE-T RJ-45\
- Protocols: SIP and SCCP
- Description
- Specifications
Description
Small Business IP Phones in Pakistan – Cisco IP Phone SPA 504G:
The Cisco SPA504G is a small business IP phone that uses standard encryption protocols to perform highly secure remote provisioning and unobtrusive in-service software upgrades. Remote provisioning tools include detailed performance measurement and troubleshooting features, enabling network providers to deliver high-quality support to their subscribers. Remote provisioning also saves service providers the time and expense of managing, preloading, and reconfiguring customer premises equipment.
Specification
|
Dimensions (H x W x D) |
8.42 x 8.35. x 1.73 in. (214 x 212 x 44 mm) |
|
Weight |
2.00 lb ( 0.9kg) |
|
Data networking |
• MAC address (IEEE 802.3) • IPv4 (RFC 791) • Address Resolution Protocol (ARP) • DNS: A record (RFC 1706), SRV record (RFC 2782) • Dynamic Host Configuration Protocol (DHCP) client (RFC 2131) • Internet Control Message Protocol (ICMP) (RFC 792) • TCP (RFC793) • User Datagram Protocol (UDP) (RFC 768) • Real-Time Transport Protocol (RTP) (RFC 1889, 1890) • Real-Time Control Protocol (RTCP) (RFC 1889) • Differentiated Services (DiffServ) (RFC 2475) • Type of service (ToS) (RFC 791, 1349) • VLAN tagging 802.1p/Q: Layer 2 quality of service (QoS) • Simple Network Time Protocol (SNTP) (RFC 2030) |
|
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 • Reregistration with primary SIP proxy server • SIP support in NAT networks (including STUN) • SIPFrag (RFC 3420) • Secure (encrypted) calling via SRTP • Codec name assignment |
| Physical interfaces | • Two 10/100BASE-T RJ-45 Ethernet ports (IEEE 802.3) • Handset: RJ-9 connector • Built-in speakerphone and microphone • Headset 2.5-mm port |
