| General | | Product ID | SPA500S | SPA500DS | SPA501G | SPA502G | SPA504G | SPA508G | SPA509G | SPA512G | SPA514G | SPA525G2 | | Buy It | Find a Reseller | Find a Reseller | Find a Reseller | Find a Reseller | Find a Reseller | Find a Reseller | Find a Reseller | Find a Reseller | Find a Reseller | Find a Reseller | | Product Type | Key expansion module | Key expansion module | VoIP phone | VoIP phone | VoIP phone | VoIP phone | VoIP phone | VoIP phone | VoIP phone | VoIP phone | | Body Color | dark gray | dark gray | Silver, dark gray | Silver, dark gray | Silver, dark gray | Silver, dark gray | Silver, dark gray | Silver, dark gray | Silver, dark gray | Silver, dark gray | | Body Material | ABS plastic | ABS plastic | ABS plastic | ABS plastic | ABS plastic | ABS plastic | ABS plastic | ABS plastic | ABS plastic | ABS plastic | | Phone Features | | Cordless Phone Standard | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | IEEE 802.11g (Wi-Fi) | | Key Expansion Module Max Qty | N/A | N/A | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | | Dialer Type | N/A | N/A | Keypad | Keypad | Keypad | Keypad | Keypad | Keypad | Keypad | Keypad | | Dialer Location | N/A | N/A | Base | Base | Base | Base | Base | Base | Base | Base | | Conference Call Capability | N/A | N/A | 3-way | 3-way | 3-way | 3-way | 3-way | Yes | Yes | 3-way | | Intercom | N/A | N/A | Yes | Yes | Yes | Yes | Yes | N/A | N/A | Yes | | Speakerphone | N/A | N/A | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | | Caller ID | N/A | N/A | N/A | Yes | Yes | Yes | Yes | Yes | Yes | Yes | | Automatic Redial | N/A | N/A | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | | Voice Mail Capability | N/A | N/A | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | | Call Waiting | N/A | N/A | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | | Call Forwarding | N/A | N/A | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | | Call Transfer | N/A | N/A | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | | Call Hold | N/A | N/A | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | | Menu Operation | N/A | N/A | N/A | Yes | Yes | Yes | Yes | Yes | Yes | Yes | | Function Buttons | N/A | N/A | Conference button, speakerphone button, transfer button, headset button , mute button, hold button, redial button, voice mail button | Conference button, speakerphone button, headset button , mute button, hold button, voice mail button | Conference button, speakerphone button, headset button , mute button, hold button, voice mail button | Conference button, speakerphone button, headset button , mute button, hold button, voice mail button | Conference button, speakerphone button, headset button , mute button, hold button, voice mail button | Conference button, speakerphone button, headset button , mute button, hold button, voice mail button | Conference button, speakerphone button, headset button , mute button, hold button, voice mail button | Conference button, speakerphone button, headset button , mute button, hold button, voice mail button | | Programmable Buttons Qty | 32 | 15 on each page ( 30 total ) | 8 | N/A | 4 | 8 | 12 | N/A | 4 | 5 | | Volume Control | N/A | N/A | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | | Ringer Control | N/A | N/A | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | | Indicators | N/A | | Voice message waiting indicator, speakerphone indicator, headset, mute | Voice message waiting indicator, speakerphone indicator, headset, mute | Voice message waiting indicator, speakerphone indicator, headset, mute | Voice message waiting indicator, speakerphone indicator, headset, mute | Voice message waiting indicator, speakerphone indicator, headset, mute | Voice message waiting indicator, speakerphone indicator, headset, mute | Voice message waiting indicator, speakerphone indicator, headset, mute | Voice message waiting indicator, speakerphone indicator, headset, mute | | Firmware Upgradable | N/A | N/A | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | | Additional Functions | N/A | N/A | Pager call | Call timer, built-in clock, pager call | Call timer, built-in clock, pager call | Call timer, built-in clock, pager call | Call timer, built-in clock, pager call | Call timer, built-in clock, pager call | Call timer, built-in clock, pager call | Call timer, built-in clock, pager call | | Additional Features | N/A | N/A | On-hook dialing, music on hold, built-in web server, paper label insert | On-hook dialing, music on hold, built-in web server | On-hook dialing, music on hold, built-in web server | On-hook dialing, music on hold, built-in web server | On-hook dialing, music on hold, built-in web server | On-hook dialing, music on hold, built-in web server | On-hook dialing, music on hold, built-in web server | Music on hold, built-in web server, compatible with Bluetooth headsets and Smartphones (Mobile Line Feature) | | IP Telephony | | Main Features | N/A | N/A | Multiline support, multiple VoIP protocol support, integrated Ethernet switch, Power over Ethernet (PoE) support | Multiple VoIP protocol support, integrated Ethernet switch, Power over Ethernet (PoE) support | Multiline support, multiple VoIP protocol support, integrated Ethernet switch, Power over Ethernet (PoE) support | Multiline support, multiple VoIP protocol support, integrated Ethernet switch, Power over Ethernet (PoE) support | Multiline support, multiple VoIP protocol support, integrated Ethernet switch, Power over Ethernet (PoE) support | Multiline support, multiple VoIP protocol support, integrated GigE Ethernet switch, EHS and Power over Ethernet (PoE) support, TR-69/104/111 | Multiline support, multiple VoIP protocol support, integrated GigE Ethernet switch, EHS and Power over Ethernet (PoE) support, TR-69/104/111 | Multiline support, multiple VoIP protocol support, integrated GigE Ethernet switch, EHS and Power over Ethernet (PoE) support, TR-69/104/111, WiFi, Bluetooth | | VoIP Protocols | N/A | N/A | SIP, SIP v2, SPCP | SIP, SIP v2, SPCP | SIP, SIP v2, SPCP | SIP, SIP v2, SPCP | SIP, SIP v2, SPCP | SIP, SIP v2, SPCP | SIP, SIP v2, SPCP | SIP, SIP v2, SPCP | | Voice Codecs | N/A | N/A | G.722, G.729a, G.711u, G.711a, G.726 | G.722, G.729a, G.711u, G.711a, G.726 | G.722, G.729a, G.711u, G.711a, G.726 | G.722, G.729a, G.711u, G.711a, G.726 | G.722, G.729a, G.711u, G.711a, G.726 | G.722, G.729a, G.711u, G.711a, G.726 | G.722, G.729a, G.711u, G.711a, G.726 | G.722, G.729a, G.711u, G.711a, G.726 | | Lines Supported | N/A | N/A | 8 lines | 1 Line | 4 lines | 8 lines | 12 lines | 1 Line | 4 lines | 5 lines | | Quality of Service | N/A | N/A | IEEE 802.1Q (VLAN), Differentiated Services (DiffServ), IEEE 802.1p, Type of Service (ToS) | IEEE 802.1Q (VLAN), Differentiated Services (DiffServ), IEEE 802.1p, Type of Service (ToS) | IEEE 802.1Q (VLAN), Differentiated Services (DiffServ), IEEE 802.1p, Type of Service (ToS) | IEEE 802.1Q (VLAN), Differentiated Services (DiffServ), IEEE 802.1p, Type of Service (ToS) | IEEE 802.1Q (VLAN), Differentiated Services (DiffServ), IEEE 802.1p, Type of Service (ToS) | IEEE 802.1Q (VLAN), Differentiated Services (DiffServ), IEEE 802.1p, Type of Service (ToS) | IEEE 802.1Q (VLAN), Differentiated Services (DiffServ), IEEE 802.1p, Type of Service (ToS) | IEEE 802.1Q (VLAN), Differentiated Services (DiffServ), IEEE 802.1p, Type of Service (ToS) | | IP Address Assignment | N/A | N/A | DHCP, static | DHCP, static | DHCP, static | DHCP, static | DHCP, static | DHCP, static | DHCP, static | DHCP, static, PPPoE | | Security | N/A | | SIP/TLS, SRTP, HTTPS | SIP/TLS, SRTP, HTTPS | SIP/TLS, SRTP, HTTPS | SIP/TLS, SRTP, HTTPS | SIP/TLS, SRTP, HTTPS | SIP/TLS, SRTP, HTTPS | SIP/TLS, SRTP, HTTPS | SIP/TLS, SRTP, HTTPS, 128 bit WEP, 64 bit WEP, WPA, WPA2, 256 bit AES | | Network Protocols | N/A | | IP, TCP, TFTP, UDP, ICMP, ARP, HTTP, DNS, HTTPS, SRTP, CDP, LLDP-MED | IP, TCP, TFTP, UDP, ICMP, ARP, HTTP, DNS, HTTPS, SRTP, CDP, LLDP-MED | IP, TCP, TFTP, UDP, ICMP, ARP, HTTP, DNS, HTTPS, SRTP, CDP, LLDP-MED | IP, TCP, TFTP, UDP, ICMP, ARP, HTTP, DNS, HTTPS, SRTP, CDP, LLDP-MED | IP, TCP, TFTP, UDP, ICMP, ARP, HTTP, DNS, HTTPS, SRTP, CDP, LLDP-MED | IP, TCP, TFTP, UDP, ICMP, ARP, HTTP, DNS, HTTPS, SRTP, CDP, LLDP-MED | IP, TCP, TFTP, UDP, ICMP, ARP, HTTP, DNS, HTTPS, SRTP, CDP, LLDP-MED | IP, TCP, TFTP, UDP, ICMP, ARP, HTTP, DNS, HTTPS, SRTP, CDP, LLDP-MED | | Network Ports Qty | N/A | | 2 x Ethernet 10Base-T/100Base-TX | 2 x Ethernet 10Base-T/100Base-TX | 2 x Ethernet 10Base-T/100Base-TX | 2 x Ethernet 10Base-T/100Base-TX | 2 x Ethernet 10Base-T/100Base-TX | 2 x Ethernet 10Base-T/100Base-TX/1000Base-T | 2 x Ethernet 10Base-T/100Base-TX/1000Base-T | 2 x Ethernet 10Base-T/100Base-TX | | Voice Features | N/A | | Comfort noise generation (CNG), voice activity detection (VAD), HD Voice | Comfort noise generation (CNG), voice activity detection (VAD), HD Voice | Comfort noise generation (CNG), voice activity detection (VAD), HD Voice | Comfort noise generation (CNG), voice activity detection (VAD), HD Voice | Comfort noise generation (CNG), voice activity detection (VAD), HD Voice | Comfort noise generation (CNG), voice activity detection (VAD), HD Voice | Comfort noise generation (CNG), voice activity detection (VAD), HD Voice | Comfort noise generation (CNG), voice activity detection (VAD), HD Voice | | Network Features | N/A | | Network Address Translation (NAT) | Network Address Translation (NAT) | Network Address Translation (NAT) | Network Address Translation (NAT) | Network Address Translation (NAT) | Network Address Translation (NAT) | Network Address Translation (NAT) | Network Address Translation (NAT) | | Phone Memory | | Phone Directory Capacity | N/A | N/A | 100 names & numbers | 100 names & numbers | 100 names & numbers | 100 names & numbers | 100 names & numbers | 150 names and numbers | 150 names and numbers | 300 names and numbers | | Call Log Capacity | N/A | N/A | 60 numbers each for missed, placed and answered | 60 numbers each for missed, placed and answered | 60 numbers each for missed, placed and answered | 60 numbers each for missed, placed and answered | 60 numbers each for missed, placed and answered | 100 numbers each for missed, placed and answered | 100 numbers each for missed, placed and answered | 60 numbers each for missed, placed and answered | | Display | | Diagonal Size | N/A | 5.5" | N/A | 3.0" | 3.0" | 3.0" | 3.0" | 3.0" | 3.0" | 3.2" | | Type | N/A | LCD display - monochrome backlit | N/A | LCD display - monochrome backlit | LCD display - monochrome baclit | LCD display - monochrome backlit | LCD display - monochrome backlit | LCD display - monochrome backlit | LCD display - monochrome backlit | LCD display - color | | Display Location | N/A | Base | N/A | Base | Base | Base | Base | Base | Base | Base | | Display Resolution | N/A | 128 x 320 | N/A | 128 x 64 pixels | 128 x 64 pixels | 128 x 64 pixels | 128 x 64 pixels | 128 x 64 pixels | 128 x 64 pixels | 320 x 240 pixels, QVGA | | Features | N/A | Backlit | N/A | Backlit | Backlit | Backlit | Backlit | Backlit | Backlit | Backlit | | Miscellaneous | | Included Accessories | Stand | Stand | Stand | Stand | Stand | Stand | Stand | Stand | Stand | Stand | | Hearing Aid Compatible | N/A | N/A | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | | Connections | AUX in/out | AUX in/out | 1 x headset jack / sub-mini-phone 2.5 mm | 1 x headset jack / sub-mini-phone 2.5 mm | 1 x headset jack / sub-mini-phone 2.5 mm | 1 x headset jack / sub-mini-phone 2.5 mm | 1 x headset jack / sub-mini-phone 2.5 mm | 1 x headset jack / sub-mini-phone 2.5 mm | 1 x headset jack / sub-mini-phone 2.5 mm | 1 x headset jack / sub-mini-phone 2.5 mm | | Cables Included | AUX Cable | AUX Cable | Network cable | Network cable | Network cable | Network cable | Network cable | Network cable | Network cable | N/A | | Compliant Standards | UL, C-Tick, CB, A-Tick | UL, C-Tick, CB, A-Tick | UL, C-Tick, CB, FCC Part 15 B, A-Tick | UL, C-Tick, CB, FCC Part 15 B, A-Tick | UL, C-Tick, CB, FCC Part 15 B, A-Tick | UL, C-Tick, CB, FCC Part 15 B, A-Tick | UL, C-Tick, CB, FCC Part 15 B, A-Tick | UL, FCC, RoHS, WEEE, A-Tick | UL, FCC, RoHS, WEEE, A-Tick | C-Tick, CISPR 22 Class B, CISPR 24, cUL, EN 60950, EN 61000-3-2, IEC 60950, EN 61000-3-3, EN55024, UL 60950, EN50082-1, EN55022 Class B, ICES-003 Class B, EN 61000-6-1, FCC Part 15 B, FCC, FCC CFR47 Part 68, RoHS | | Dimensions & Weight (Base) | | Width | 4.0 in | 4.0 in | 8.4 in | 8.4 in | 8.4 in | 8.4 in | 8.4 in | 8.4 in | 8.4 in | 8.4 in | | Depth | 1.5 in | 1.5 in | 1.7 in | 1.7 in | 1.7 in | 1.7 in | 1.7 in | 1.7 in | 1.7 in | 1.7 in | | Height | 8.5 in | 8.5 in | 8.3 in | 8.3 in | 8.3 in | 8.3 in | 8.3 in | 8.3 in | 8.3 in | 8.3 in | | Weight | 0.5 lbs | 1.2 lbs | 2 lbs | 2 lbs | 2 lbs | 2 lbs | 2 lbs | 2.4 lbs | 2.4 lbs | 2 lbs | | Manufacturer Warranty | | Manufacturer Warranty | 1 year warranty | 1 year warranty | 1 year warranty | 1 year warranty | 1 year warranty | 1 year warranty | 1 year warranty | 1 year warranty | 1 year warranty | 1 year warranty | | 1 year warranty | 1 year warranty | 1 year warranty | 1 year warranty | 1 year warranty | 1 year warranty | 1 year warranty | 1 year warranty | 1 year warranty | 1 year warranty | | Limited warranty - 1 year | Limited warranty - 1 year | Limited warranty - 1 year | Limited warranty - 1 year | Limited warranty - 1 year | Limited warranty - 1 year | Limited warranty - 1 year | Limited warranty - 1 year | Limited warranty - 1 year | Limited warranty - 1 year | | Designed For | | Designed For | 3rd Party Call Controllers and Cisco Small Business Pro Unified Communications 320 and 500 | 3rd Party Call Controllers | 3rd Party Call Controllers and Cisco Small Business Pro Unified Communications 320 and 500 | 3rd Party Call Controllers and Cisco Small Business Pro Unified Communications 320 and 500 | 3rd Party Call Controllers and Cisco Small Business Pro Unified Communications 320 and 500 | 3rd Party Call Controllers and Cisco Small Business Pro Unified Communications 320 and 500 | 3rd Party Call Controllers and Cisco Small Business Pro Unified Communications 320 and 500 | 3rd Party Call Controllers and Cisco Small Business Pro Unified Communications 320 and 500 | 3rd Party Call Controllers and Cisco Small Business Pro Unified Communications 320 and 500 | 3rd Party Call Controllers and Cisco Small Business Pro Unified Communications 320 and 500 |
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